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U.S. PATENT AND TRADEMARK OFFICE
Patent Technology Monitoring Team (PTMT)

Patenting In U.S. Metropolitan and Micropolitan Areas
Breakout By Technology Class

Count of 2000 - 2015 Utility Patent Grants
As Distributed By Calendar Year of Grant

- Explanation of Data -

Rank Ordered Listing of Technology Classes Receiving 1 or More Utility Patents During the Period
Originating From

Chicago-Joliet-Naperville, IL-IN-WI

( Metropolitan Statistical Area )

( patent origin is determined by the residence of the first-named inventor )
( technology class is determined by the primary classification assigned to a patent- see 'Explanation of Data' )
( some classes have been combined together under a single class identifier )
( patent counts may not sum exactly due to rounding - see the Explanation of Data )
( regional areas are based on U.S. Core Based Statistical Area (CBSA) )

The following table displays technology classes and counts of utility patents classified in them; patents are distributed by year of patent grant.
Class Class Title 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Total
455 Telecommunications 127 87 76 71 95 100 174 128 97 102 116 132 177 181 147 183 1993
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 129 116 123 120 65 57 80 65 64 75 88 86 148 170 193 217 1796
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 17 15 11 10 11 11 31 46 65 122 199 224 259 301 251 58 1631
370 Multiplex Communications 81 69 58 67 96 88 102 70 101 120 118 99 167 125 131 132 1624
379 Telephonic Communications 60 76 92 74 85 61 99 53 62 52 51 56 51 49 44 25 990
463 Amusement Devices: Games 8 17 12 23 15 12 23 17 36 28 41 50 183 171 153 144 933
439 Electrical Connectors 67 82 52 30 52 71 58 56 67 65 64 56 49 52 50 42 913
340 Communications: Electrical 52 34 36 32 41 37 65 54 46 54 57 54 55 54 59 49 779
532 Organic Compounds (includes Classes 532-570) 50 52 55 44 44 35 38 37 24 27 38 56 53 56 69 78 756
435 Chemistry: Molecular Biology and Microbiology 58 78 52 34 41 35 20 30 22 31 34 45 53 48 42 55 678
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 28 24 32 13 26 17 38 25 26 36 48 60 71 61 73 66 644
585 Chemistry of Hydrocarbon Compounds 32 25 39 23 14 17 10 21 44 43 39 51 48 69 76 91 642
604 Surgery (Medicators and Receptors) 42 36 23 41 29 20 22 14 7 16 37 46 49 59 72 57 570
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 33 40 40 36 33 25 31 17 16 13 26 21 34 46 63 82 556
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 47 60 52 35 27 33 38 27 21 18 26 30 23 29 48 29 543
128 Surgery (includes Class 600) 44 35 27 36 29 28 26 18 18 12 16 39 44 44 52 48 516
426 Food or Edible Material: Processes, Compositions, and Products 58 63 54 49 31 24 30 17 11 21 24 16 17 25 23 33 496
428 Stock Material or Miscellaneous Articles 36 44 45 44 46 25 22 22 16 11 40 35 31 28 18 31 494
375 Pulse or Digital Communications 24 22 25 27 38 34 38 29 23 19 22 27 40 37 47 38 490
382 Image Analysis 25 13 16 21 30 10 21 23 14 23 26 35 56 60 41 51 465
210 Liquid Purification or Separation 54 45 34 27 34 20 24 23 25 17 21 26 23 24 27 22 446
707 DP: Database and File Management or Data Structures (Data Processing) 18 14 13 22 17 7 24 9 21 23 40 34 37 50 55 57 441
052 Static Structures (e.g., Buildings) 26 23 23 13 22 15 15 7 12 15 52 36 25 50 55 46 435
362 Illumination 22 20 23 18 20 15 25 37 24 22 28 24 29 35 37 36 415
361 Electricity: Electrical Systems and Devices 36 29 27 31 16 19 20 22 20 27 28 28 25 31 22 31 412
206 Special Receptacle or Package 36 31 24 20 24 20 26 18 27 16 23 24 22 28 35 36 410
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 17 25 14 33 18 5 16 10 15 20 42 41 38 28 40 35 397
248 Supports (e.g., for holding articles, etc.) 26 23 32 20 15 13 22 22 9 21 37 28 32 25 32 29 386
123 Internal-Combustion Engines 16 27 38 29 39 40 44 30 13 9 9 6 13 16 15 20 364
250 Radiant Energy 14 8 6 15 17 20 24 22 56 21 24 17 26 30 29 31 360
220 Receptacles 29 27 25 14 16 12 15 18 11 18 14 21 32 35 41 32 360
073 Measuring and Testing 27 21 15 17 18 23 19 31 20 20 27 20 24 19 26 27 354
714 Error Detection/Correction and Fault Detection/Recovery 10 16 8 10 14 9 15 20 18 11 15 18 16 44 59 66 349
385 Optical Waveguides 20 27 38 38 23 16 24 19 24 24 17 9 11 16 22 18 346
280 Land Vehicles 12 20 14 15 10 19 11 21 18 24 21 25 21 30 41 37 339
029 Metal Working 19 30 24 15 17 21 22 14 25 18 20 26 26 15 18 21 331
208 Mineral Oils: Processes and Products 33 21 16 8 10 9 13 8 11 16 25 17 25 31 39 30 312
222 Dispensing (apparatus and process) 25 31 19 21 21 22 19 14 5 8 11 11 20 32 31 21 311
174 Electricity: Conductors and Insulators 17 18 28 22 19 15 21 21 21 30 28 13 13 13 5 21 305
345 Computer Graphics Processing and Selective Visual Display Systems 4 13 5 17 7 15 21 15 10 12 18 15 21 35 27 59 294
324 Electricity: Measuring and Testing 21 19 24 19 26 20 28 13 17 12 23 15 11 9 14 18 289
137 Fluid Handling 22 29 14 19 18 22 27 10 11 11 12 12 14 22 24 19 286
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 20 23 27 8 14 12 27 10 10 13 20 12 13 24 15 20 268
473 Games Using Tangible Projectile 24 11 12 21 17 16 12 17 6 6 17 24 19 20 22 18 262
053 Package Making 24 24 16 17 24 26 10 14 16 13 15 15 14 6 8 14 256
700 DP: Generic Control Systems or Specific Applications (Data Processing) 12 10 13 12 14 16 23 9 10 15 18 13 27 19 17 24 252
702 DP: Measuring, Calibrating, or Testing (Data Processing) 6 6 13 20 22 28 19 16 10 15 11 10 18 20 16 14 244
378 X-Ray or Gamma Ray Systems or Devices 15 10 18 16 8 10 11 13 25 21 13 12 21 14 12 24 243
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 9 6 9 12 17 18 19 19 16 15 9 21 13 20 18 18 239
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 21 18 24 24 9 7 13 7 13 7 10 23 18 18 16 10 238
606 Surgery (instruments) 14 9 12 12 6 6 14 7 7 4 10 17 20 20 35 35 228
381 Electrical Audio Signal Processing Systems and Devices 16 7 5 10 14 3 19 15 7 7 10 20 18 24 24 21 220
060 Power Plants 3 16 10 6 13 10 10 15 8 10 10 15 12 19 22 40 219
219 Electric Heating 21 12 17 8 10 15 12 15 11 5 20 7 14 20 21 10 218
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 14 11 9 11 14 3 9 11 18 12 10 18 17 19 25 15 216
062 Refrigeration 12 18 21 12 16 15 17 19 15 7 8 8 6 7 15 15 211
423 Chemistry of Inorganic Compounds 8 10 15 12 11 9 12 8 7 12 17 15 16 18 19 20 209
083 Cutting 15 7 8 10 12 7 13 9 4 6 11 9 31 23 29 14 208
713 Support (Electrical Computers and Digital Processing Systems) 4 5 7 6 4 8 14 9 10 9 14 10 9 20 46 31 206
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 10 10 8 9 5 6 12 10 16 10 11 8 19 14 29 26 203
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 19 20 15 12 13 11 17 9 6 5 11 13 7 13 16 15 202
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 8 13 8 10 9 9 7 7 9 9 17 13 15 17 16 34 201
211 Supports: Racks 17 15 15 14 9 9 16 14 6 7 17 10 7 10 16 19 201
482 Exercise Devices 10 10 10 7 7 12 12 14 10 10 17 18 12 18 15 15 197
427 Coating Processes 12 11 13 10 13 6 4 14 8 11 18 18 21 9 9 19 196
315 Electric Lamp and Discharge Devices: Systems 13 13 18 16 18 7 8 10 11 9 5 12 8 16 15 16 195
106 Compositions: Coating or Plastic 10 12 19 7 7 6 6 18 10 10 18 15 18 12 14 11 193
343 Communications: Radio Wave Antennas 24 16 16 14 12 13 12 10 14 12 10 4 7 5 15 8 192
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 3 8 8 18 14 15 9 5 7 8 10 11 11 14 23 27 191
002 Apparel 22 13 11 16 10 9 16 8 6 4 9 17 14 12 13 10 190
040 Card, Picture, or Sign Exhibiting 17 14 10 15 17 7 7 9 10 13 13 14 10 5 14 14 189
356 Optics: Measuring and Testing 7 16 20 10 7 10 11 12 19 14 10 10 18 8 10 5 187
438 Semiconductor Device Manufacturing: Process 3 12 11 13 14 13 11 8 12 5 6 11 13 13 19 19 183
318 Electricity: Motive Power Systems 12 13 13 13 20 11 15 15 14 10 10 9 7 5 9 3 179
227 Elongated-Member-Driving Apparatus 13 9 0 13 20 10 19 12 9 11 9 14 12 6 14 5 176
024 Buckles, Buttons, Clasps, Etc. 7 14 19 21 13 8 9 13 13 7 5 8 10 4 11 12 174
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 12 14 13 8 14 17 6 9 6 5 17 7 8 12 12 8 168
726 Information Security 4 4 2 1 1 2 7 1 7 4 5 10 11 23 35 45 162
348 Television 15 6 4 10 11 7 5 9 2 6 5 10 21 13 20 18 162
015 Brushing, Scrubbing, and General Cleaning 17 14 13 7 5 10 9 14 8 5 11 14 9 9 7 10 162
239 Fluid Sprinkling, Spraying, and Diffusing 14 12 10 10 15 12 14 9 3 9 7 7 6 8 11 14 161
081 Tools 15 19 8 8 6 8 18 14 8 5 5 11 7 9 14 6 161
359 Optical: Systems and Elements 16 12 10 8 9 13 14 8 13 7 6 7 12 8 9 5 157
252 Compositions 17 7 6 10 4 5 8 10 6 12 9 20 5 13 10 14 156
105 Railway Rolling Stock 13 18 17 11 8 4 3 2 3 5 11 6 11 7 21 13 153
436 Chemistry: Analytical and Immunological Testing 15 9 10 9 13 6 7 12 4 6 13 15 8 4 8 9 148
005 Beds 6 5 4 8 4 9 6 5 5 11 16 10 10 13 18 17 147
229 Envelopes, Wrappers, and Paperboard Boxes 9 14 12 8 6 7 6 11 10 9 12 7 6 5 16 8 146
451 Abrading 13 11 8 12 10 20 20 7 4 3 4 6 8 8 5 4 143
099 Foods and Beverages: Apparatus 15 16 7 13 8 5 3 2 4 6 8 11 9 16 10 9 142
004 Baths, Closets, Sinks, and Spittoons 9 10 9 8 13 9 7 2 8 2 10 8 18 6 11 10 140
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 2 3 5 6 6 5 6 6 8 13 15 13 18 14 7 12 139
717 DP: Software Development, Installation, and Management (Data Processing) 3 1 1 5 5 5 6 4 5 8 15 7 10 28 16 19 138
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 8 13 14 6 7 5 2 16 6 3 10 11 10 7 11 6 135
417 Pumps 6 15 15 9 2 6 2 5 4 6 10 7 15 11 11 10 134
095 Gas Separation: Processes 5 7 6 4 3 3 5 1 7 8 8 18 16 19 11 12 133
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 9 9 3 9 9 8 8 13 6 9 7 8 6 13 9 5 131
277 Seal for a Joint or Juncture 10 20 11 16 12 11 7 4 4 3 5 2 6 3 8 8 130
296 Land Vehicles: Bodies and Tops 6 11 3 6 1 6 10 9 7 6 7 12 9 11 18 8 130
383 Flexible Bags 8 6 7 8 7 14 8 7 10 11 5 4 5 8 9 12 129
162 Paper Making and Fiber Liberation 7 6 8 6 5 1 3 3 3 3 7 12 18 17 22 8 129
273 Amusement Devices: Games 26 5 12 12 4 3 7 7 4 6 9 9 6 10 6 1 127
119 Animal Husbandry 9 8 7 10 5 10 6 7 3 4 13 7 15 10 6 6 126
706 DP: Artificial Intelligence (Data Processing) 13 1 2 7 2 3 7 2 8 8 9 17 7 14 10 16 126
033 Geometrical Instruments 7 9 9 9 8 10 8 8 4 8 9 13 7 4 6 5 124
434 Education and Demonstration 10 6 8 13 12 5 5 4 5 3 2 8 8 12 11 10 122
297 Chairs and Seats 5 11 16 8 12 5 12 4 7 6 3 7 6 9 6 4 121
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 10 6 6 7 13 5 7 4 7 19 6 6 6 4 10 4 120
030 Cutlery 8 9 6 6 11 2 6 6 6 8 5 7 13 7 9 6 115
241 Solid Material Comminution or Disintegration 3 3 3 2 2 5 3 12 7 8 14 13 11 12 10 7 115
446 Amusement Devices: Toys 10 4 11 22 12 5 3 5 6 3 9 2 5 8 3 4 112
215 Bottles and Jars 19 9 9 8 5 5 5 1 8 5 6 6 4 8 10 2 110
320 Electricity: Battery or Capacitor Charging or Discharging 7 13 12 4 4 4 1 2 2 11 7 10 10 7 9 6 109
711 Memory (Electrical Computers and Digital Processing Systems) 2 1 5 4 5 2 3 3 2 9 6 5 8 14 17 23 109
101 Printing 12 12 11 4 10 6 17 7 2 2 3 3 1 4 5 8 107
307 Electrical Transmission or Interconnection Systems 7 3 7 5 9 3 9 6 7 3 14 5 10 6 5 8 107
380 Cryptography 3 5 3 0 3 3 7 1 5 4 8 7 10 19 14 11 103
198 Conveyors: Power-Driven 10 13 11 3 7 1 8 7 6 7 4 3 2 5 10 5 102
401 Coating Implements with Material Supply 13 13 6 7 4 7 5 5 9 6 5 2 9 3 3 5 102
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 3 8 5 5 5 3 4 4 3 6 7 14 12 8 8 7 102
200 Electricity: Circuit Makers and Breakers 9 7 5 8 11 8 8 5 4 8 6 4 1 2 9 6 101
725 Interactive Video Distribution Systems 4 3 1 6 4 3 5 1 1 3 5 4 9 11 15 26 101
126 Stoves and Furnaces 14 11 8 7 10 6 5 1 1 3 7 4 6 8 6 3 100
251 Valves and Valve Actuation 11 6 8 8 3 5 7 8 2 4 8 9 7 5 4 5 100
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 9 4 12 2 5 2 4 9 1 5 8 11 9 10 1 7 99
111 Planting 7 6 3 6 11 4 2 12 5 5 9 5 5 4 2 12 98
341 Coded Data Generation or Conversion 2 4 4 12 9 8 12 11 4 5 7 5 2 3 9 1 98
312 Supports: Cabinet Structure 7 5 7 11 5 4 7 5 6 4 5 4 5 2 6 14 97
414 Material or Article Handling 9 7 7 4 5 7 5 5 3 5 2 4 6 5 5 14 93
440 Marine Propulsion 5 20 16 10 8 2 3 1 1 3 5 2 1 2 8 5 92
188 Brakes 3 13 11 3 2 2 8 3 3 4 5 5 8 10 6 6 92
410 Freight Accommodation On Freight Carrier 2 2 3 7 6 5 6 6 3 9 1 10 11 8 4 9 92
330 Amplifiers 8 7 1 7 9 8 8 5 5 5 6 2 5 3 0 12 91
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 6 7 7 6 7 4 6 8 4 6 6 1 3 4 6 10 91
292 Closure Fasteners 7 5 6 7 3 6 7 11 5 7 4 2 4 6 9 2 91
607 Surgery: Light, Thermal, and Electrical Application 3 9 6 6 2 2 8 2 3 3 5 5 13 12 7 4 90
180 Motor Vehicles 9 11 3 3 5 4 5 4 3 3 5 5 4 7 8 10 89
049 Movable or Removable Closures 7 4 4 4 5 8 6 7 0 3 1 3 9 7 12 8 88
072 Metal Deforming 14 9 7 3 5 8 5 5 4 1 6 3 4 4 6 4 88
398 Optical Communications 5 3 1 3 3 3 4 5 4 6 4 10 8 15 5 9 88
310 Electrical Generator or Motor Structure 10 8 5 7 2 3 6 5 2 6 7 8 3 5 4 6 87
074 Machine Element or Mechanism 12 14 7 7 4 3 3 3 0 6 2 3 2 7 4 9 86
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 5 3 1 7 8 10 9 8 4 9 2 5 2 3 4 5 85
224 Package and Article Carriers 4 5 12 8 7 3 3 3 5 1 3 1 4 2 6 18 85
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 4 4 8 8 10 1 10 6 5 3 5 5 2 3 7 3 84
084 Music 5 3 1 3 4 4 3 9 6 6 3 12 6 2 9 5 81
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 8 8 8 3 7 9 3 3 2 2 4 4 2 0 1 14 78
194 Check-Actuated Control Mechanisms 7 5 2 4 0 11 3 2 3 4 9 5 3 8 7 4 77
433 Dentistry 11 6 3 7 11 4 8 5 2 0 4 0 3 4 4 4 76
213 Railway Draft Appliances 4 5 6 2 6 3 1 7 3 6 3 4 1 8 11 6 76
070 Locks 7 6 6 3 6 1 5 6 4 6 4 2 5 3 9 2 75
285 Pipe Joints or Couplings 8 2 2 4 6 2 3 3 14 6 3 3 1 3 7 6 73
100 Presses 0 1 4 7 6 12 4 13 7 3 3 3 1 0 6 2 72
134 Cleaning and Liquid Contact with Solids 5 4 4 3 4 3 5 4 1 1 8 8 9 3 4 6 72
204 Chemistry: Electrical and Wave Energy 1 5 3 3 4 1 5 3 6 6 5 8 4 5 4 8 71
403 Joints and Connections 9 15 7 7 5 4 2 2 1 1 2 3 4 2 5 1 70
055 Gas Separation 7 4 4 5 3 5 0 3 5 8 4 6 4 3 7 2 70
351 Optics: Eye Examining, Vision Testing and Correcting 5 9 3 7 3 5 3 7 4 4 5 2 2 5 2 3 69
404 Road Structure, Process, or Apparatus 7 3 5 3 3 6 5 7 2 4 2 3 5 3 7 4 69
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 7 9 6 5 2 1 3 2 1 1 2 4 5 6 6 8 68
160 Flexible or Portable Closure, Partition, or Panel 11 7 6 2 3 4 2 2 2 1 3 3 1 7 6 7 67
172 Earth Working 9 8 1 2 3 5 3 1 1 4 8 2 2 1 6 11 67
242 Winding, Tensioning, or Guiding 4 3 7 10 4 6 3 7 3 0 2 4 3 4 4 3 67
405 Hydraulic and Earth Engineering 12 5 7 3 3 2 4 4 4 3 3 1 4 4 4 3 66
431 Combustion 11 6 3 5 6 6 4 0 1 2 7 3 2 4 4 1 65
333 Wave Transmission Lines and Networks 4 3 6 4 5 3 6 7 2 2 3 5 2 3 6 4 65
173 Tool Driving or Impacting 6 6 2 3 3 1 4 4 4 4 4 7 5 3 2 6 64
347 Incremental Printing of Symbolic Information 6 5 2 4 2 4 5 3 8 1 3 0 4 2 4 10 63
602 Surgery: Splint, Brace, or Bandage 5 1 4 4 8 7 5 2 7 3 3 2 4 3 5 0 63
148 Metal Treatment 7 7 10 6 6 2 1 1 4 1 6 3 2 2 2 1 61
165 Heat Exchange 3 8 4 4 5 6 7 2 2 0 2 4 2 6 4 2 61
366 Agitating (e.g., of articles and materials) 4 6 6 2 3 2 5 6 4 2 3 6 3 3 2 2 59
043 Fishing, Trapping, and Vermin Destroying 7 5 7 6 5 3 5 2 1 0 3 3 4 2 2 4 59
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 5 8 3 4 3 2 1 1 3 4 3 2 4 3 6 7 59
124 Mechanical Guns and Projectors 6 3 5 4 6 5 4 2 3 3 5 3 3 2 2 1 57
363 Electric Power Conversion Systems 7 8 4 1 1 1 2 2 2 3 4 3 3 5 4 7 57
209 Classifying, Separating, and Assorting Solids 0 1 2 1 1 1 1 3 3 5 8 7 6 4 7 6 56
294 Handling: Hand and Hoist-Line Implements 8 3 5 1 2 6 7 2 4 2 3 4 2 1 6 0 56
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 3 3 0 2 5 4 4 5 2 2 5 4 4 5 2 5 55
118 Coating Apparatus 6 3 3 2 3 5 10 4 2 4 2 3 2 1 2 2 54
283 Printed Matter 10 4 6 4 5 2 4 1 2 1 2 3 3 3 3 1 54
192 Clutches and Power-Stop Control 9 4 5 4 3 2 2 1 2 2 2 2 0 4 6 2 50
331 Oscillators 3 2 1 9 5 2 2 2 5 4 6 2 1 0 5 0 49
254 Implements or Apparatus for Applying Pushing or Pulling Force 4 3 2 4 2 9 1 2 3 1 2 0 3 5 6 2 49
108 Horizontally Supported Planar Surfaces 6 5 1 3 6 1 2 3 2 1 4 3 6 2 1 2 48
504 Plant Protecting and Regulating Compositions 2 1 0 1 2 1 3 1 0 0 0 2 7 15 4 8 47
132 Toilet 7 4 5 2 4 0 3 5 2 0 1 1 1 4 3 4 46
261 Gas and Liquid Contact Apparatus 1 2 0 2 0 4 0 2 3 1 3 5 6 4 9 4 46
044 Fuel and Related Compositions 1 1 0 3 5 2 0 1 2 5 1 2 1 3 6 12 45
221 Article Dispensing 1 5 6 5 2 3 1 2 1 2 6 0 0 1 5 3 43
337 Electricity: Electrothermally or Thermally Actuated Switches 3 0 4 2 6 4 0 0 1 4 3 7 2 2 4 1 43
408 Cutting by Use of Rotating Axially Moving Tool 2 1 3 2 4 1 5 3 1 3 2 3 3 3 6 1 43
034 Drying and Gas or Vapor Contact with Solids 6 4 5 4 0 2 2 0 1 0 2 0 2 5 4 5 42
358 Facsimile and Static Presentation Processing 1 1 4 6 1 4 3 2 0 3 1 2 2 1 3 8 42
384 Bearings 2 3 5 4 1 3 1 3 0 2 0 1 1 4 4 7 41
267 Spring Devices 2 5 4 1 1 0 4 3 4 2 3 1 3 4 1 2 40
269 Work Holders 3 4 2 3 2 1 2 0 2 0 2 4 8 1 3 3 40
096 Gas Separation: Apparatus 1 3 1 1 3 0 3 1 2 4 3 4 2 2 3 6 39
138 Pipes and Tubular Conduits 5 3 1 8 0 1 1 2 1 2 3 1 2 2 4 3 39
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 6 1 3 1 1 1 5 1 1 5 4 3 0 2 3 1 38
190 Trunks and Hand-Carried Luggage 2 2 2 5 2 4 7 1 2 1 0 4 2 3 0 1 38
372 Coherent Light Generators 6 5 5 3 3 0 2 0 1 1 1 3 1 4 1 2 38
454 Ventilation 8 5 2 1 2 2 3 1 4 0 1 0 0 3 1 5 38
047 Plant Husbandry 3 1 1 2 1 3 3 1 1 2 2 3 2 6 3 3 37
114 Ships 4 4 6 3 1 2 5 1 2 2 1 0 1 0 2 3 37
177 Weighing Scales 2 1 5 9 4 4 1 2 1 3 2 0 1 0 2 0 37
181 Acoustics 2 1 2 2 3 1 0 0 6 2 2 4 6 1 3 2 37
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 1 0 5 2 10 0 3 0 2 1 5 1 2 1 2 1 36
140 Wireworking 3 4 5 1 1 2 3 2 8 0 0 2 1 1 0 3 36
182 Fire Escape, Ladder, or Scaffold 2 0 6 2 1 1 1 3 2 1 3 3 4 0 2 5 36
228 Metal Fusion Bonding 2 2 3 1 3 5 6 3 2 2 1 2 1 1 2 0 36
290 Prime-Mover Dynamo Plants 0 0 1 1 4 2 3 3 1 4 7 2 3 2 1 2 36
135 Tent, Canopy, Umbrella, or Cane 4 2 2 0 1 2 1 0 0 3 3 3 4 4 3 3 35
392 Electric Resistance Heating Devices 3 2 4 0 2 2 1 1 0 0 3 6 5 2 3 1 35
244 Aeronautics and Astronautics 2 4 0 1 4 4 2 1 0 1 1 2 2 2 2 6 34
271 Sheet Feeding or Delivering 6 3 6 4 1 1 2 1 1 1 2 2 2 0 1 1 34
374 Thermal Measuring and Testing 0 4 1 2 0 1 0 1 6 1 4 5 2 5 0 1 33
415 Rotary Kinetic Fluid Motors or Pumps 0 9 0 3 2 6 1 0 0 2 0 1 2 1 3 3 33
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 1 1 3 0 0 1 1 1 0 0 1 2 1 4 9 8 33
144 Woodworking 0 0 4 1 0 1 1 4 2 3 3 10 1 3 0 0 33
216 Etching a Substrate: Processes 3 0 3 0 3 1 3 2 4 2 2 1 3 0 4 2 33
136 Batteries: Thermoelectric and Photoelectric 1 1 0 1 0 0 0 1 1 0 1 3 3 5 7 8 32
409 Gear Cutting, Milling, or Planing 3 0 1 0 3 3 3 4 4 4 2 2 0 2 1 0 32
416 Fluid Reaction Surfaces (i.e., Impellers) 3 0 7 3 3 2 1 0 0 0 3 3 4 1 1 1 32
036 Boots, Shoes, and Leggings 5 2 1 1 2 3 1 0 1 2 3 4 3 1 1 2 32
037 Excavating 5 0 1 2 2 4 3 2 1 1 4 2 2 1 1 1 32
091 Motors: Expansible Chamber Type 1 4 4 2 8 3 1 4 0 2 0 0 1 1 1 0 32
322 Electricity: Single Generator Systems 1 3 1 0 0 0 4 3 5 4 6 2 1 0 0 0 30
365 Static Information Storage and Retrieval 4 3 6 5 2 2 1 1 1 1 2 2 0 0 0 0 30
396 Photography 1 1 3 3 2 1 1 1 1 2 5 2 1 2 1 3 30
494 Imperforate Bowl: Centrifugal Separators 3 4 2 3 1 4 1 0 1 0 1 1 2 2 1 4 30
048 Gas: Heating and Illuminating 1 2 0 0 1 1 1 2 1 2 3 0 5 4 5 2 30
313 Electric Lamp and Discharge Devices 6 2 0 3 2 3 1 0 1 1 1 3 1 0 4 1 29
349 Liquid Crystal Cells, Elements and Systems 2 4 1 1 0 2 0 2 1 0 4 4 1 4 0 3 29
400 Typewriting Machines 3 1 4 1 2 2 2 1 4 0 1 1 0 1 3 3 29
452 Butchering 0 2 2 2 0 0 3 1 2 5 4 2 2 2 2 0 29
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 1 1 5 2 1 1 3 3 2 1 1 3 2 1 1 28
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 0 1 0 1 1 2 1 1 2 5 2 4 2 3 3 28
116 Signals and Indicators 3 1 2 5 3 0 0 2 1 1 1 1 1 1 2 4 28
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 0 0 0 0 0 0 0 1 5 1 1 4 7 3 6 28
164 Metal Founding 1 1 4 3 0 3 1 1 0 4 3 1 2 1 2 0 27
246 Railway Switches and Signals 4 5 3 1 0 0 0 0 1 2 1 1 1 0 3 5 27
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 3 2 0 2 5 2 0 0 0 0 2 1 1 0 2 7 27
323 Electricity: Power Supply or Regulation Systems 3 2 3 2 3 1 0 2 0 1 1 0 2 2 2 3 27
386 Motion Video Signal Processing for Recording or Reproducing 0 1 0 0 1 1 0 2 0 1 3 1 3 4 5 5 27
236 Automatic Temperature and Humidity Regulation 3 2 2 2 3 0 0 3 0 1 3 0 0 1 4 2 26
279 Chucks or Sockets 1 3 0 3 0 1 0 0 0 2 0 2 1 3 5 5 26
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 3 4 0 1 3 2 0 1 2 1 1 0 5 1 2 0 26
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 3 5 1 3 2 2 2 2 1 1 1 0 0 2 0 1 26
063 Jewelry 1 2 6 3 2 1 1 1 1 0 1 1 1 1 0 3 25
336 Inductor Devices 3 4 4 0 2 1 2 1 0 1 1 2 1 1 2 0 25
475 Planetary Gear Transmission Systems or Components 1 4 0 3 1 2 1 0 0 0 1 2 3 2 2 3 25
601 Surgery: Kinesitherapy 2 1 2 0 3 0 2 1 3 1 2 2 0 3 1 2 25
104 Railways 2 3 3 2 2 1 0 2 2 1 0 1 2 4 0 0 25
708 Arithmetic Processing and Calculating (Electrical Computers) 7 0 0 1 2 1 2 1 1 2 1 2 0 3 0 2 25
089 Ordnance 0 0 0 0 1 0 0 2 1 5 1 6 0 3 3 3 25
068 Textiles: Fluid Treating Apparatus 0 1 3 2 2 1 3 2 0 1 0 0 3 5 1 0 24
082 Turning (e.g., for metal working) 2 0 4 3 1 1 0 0 0 1 1 5 2 1 0 3 24
406 Conveyors: Fluid Current 1 0 0 1 2 2 2 1 1 2 3 4 0 1 1 3 24
501 Compositions: Ceramic 2 1 2 2 2 2 3 3 2 1 0 1 1 1 1 0 24
338 Electrical Resistors 6 1 1 1 2 2 3 2 0 1 2 1 0 1 1 0 24
051 Abrasive Tool Making Process, Material, or Composition 0 0 1 3 2 1 0 2 0 3 1 3 2 3 1 2 24
175 Boring or Penetrating the Earth 2 1 2 2 4 3 1 2 0 0 1 0 1 0 0 4 23
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 2 3 1 1 3 1 0 2 0 0 2 0 2 0 4 2 23
212 Traversing Hoists 5 2 0 1 1 2 3 1 2 0 2 0 1 0 1 1 22
281 Books, Strips, and Leaves 4 7 3 0 1 3 1 0 0 1 2 0 0 0 0 0 22
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 0 1 1 2 3 2 3 2 2 1 0 1 0 0 3 1 22
232 Deposit and Collection Receptacles 0 0 1 0 0 2 1 2 3 1 3 2 3 1 1 1 21
266 Metallurgical Apparatus 0 1 3 4 2 1 1 2 1 1 0 1 2 0 1 1 21
270 Sheet-Material Associating 3 2 1 1 1 1 2 0 2 2 2 4 0 0 0 0 21
369 Dynamic Information Storage or Retrieval 2 2 2 4 0 0 1 1 0 0 1 3 2 2 0 1 21
472 Amusement Devices 1 1 1 0 0 1 0 0 2 1 0 4 1 2 4 3 21
092 Expansible Chamber Devices 2 2 2 1 2 1 0 1 2 1 1 1 0 1 1 3 21
326 Electronic Digital Logic Circuitry 0 1 0 1 1 2 3 1 0 2 2 2 2 2 1 0 20
368 Horology: Time Measuring Systems or Devices 1 1 2 1 1 1 0 2 0 1 3 1 0 3 1 2 20
184 Lubrication 1 3 2 2 0 0 1 0 1 2 1 0 0 5 0 1 19
432 Heating 5 6 3 0 0 0 0 1 0 1 0 2 0 0 0 1 19
505 Superconductor Technology: Apparatus, Material, Process 3 3 3 2 2 1 1 0 0 2 1 0 0 1 0 0 19
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 1 2 1 2 1 0 1 2 1 1 0 2 0 2 0 3 19
007 Compound Hand Tools 3 2 2 3 0 2 1 1 1 1 0 1 0 0 1 1 19
042 Firearms 0 3 0 0 0 0 0 3 1 0 1 4 2 2 1 1 18
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 1 2 0 3 1 2 0 1 1 2 0 2 1 1 1 0 18
588 Hazardous or Toxic Waste Destruction or Containment 4 3 1 2 0 0 0 1 0 1 3 0 2 0 1 0 18
418 Rotary Expansible Chamber Devices 4 1 2 0 2 0 1 0 1 1 1 0 3 2 0 0 18
303 Fluid-Pressure and Analogous Brake Systems 3 1 2 2 0 1 2 2 1 0 1 0 0 1 0 2 18
056 Harvesters 4 1 1 1 2 2 1 2 1 1 1 0 0 0 0 0 17
202 Distillation: Apparatus 0 1 0 2 0 0 1 1 0 0 1 1 1 4 4 1 17
223 Apparel Apparatus 1 3 1 1 2 1 0 4 0 0 1 0 1 1 0 1 17
256 Fences 0 0 2 2 0 0 3 1 1 1 1 1 0 1 1 3 17
301 Land Vehicles: Wheels and Axles 0 1 4 2 3 1 1 0 0 1 0 0 0 3 0 1 17
453 Coin Handling 5 2 0 4 0 0 1 0 1 1 0 0 0 2 0 1 17
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 2 4 3 1 0 1 1 0 0 1 1 1 0 2 0 0 17
110 Furnaces 0 4 2 1 0 1 1 1 1 0 3 0 0 1 1 0 16
131 Tobacco 1 0 1 0 0 0 0 0 0 1 0 4 0 3 2 4 16
477 Interrelated Power Delivery Controls, Including Engine Control 1 1 1 1 0 1 0 0 0 0 0 4 1 2 1 3 16
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 1 0 0 0 1 0 0 0 0 1 10 0 0 2 1 16
112 Sewing 3 0 1 0 1 3 0 1 2 0 0 1 1 0 1 1 15
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 2 4 0 0 2 0 0 0 0 0 1 1 1 3 1 0 15
450 Foundation Garments 0 0 3 0 1 0 0 3 0 0 1 2 1 1 3 0 15
122 Liquid Heaters and Vaporizers 1 2 0 2 0 3 0 1 1 0 2 0 0 1 1 0 14
249 Static Molds 0 2 2 0 2 1 1 1 0 0 0 3 0 1 1 0 14
367 Communications, Electrical: Acoustic Wave Systems and Devices 0 1 0 1 2 1 0 0 2 1 0 1 2 1 2 0 14
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 1 1 0 0 2 0 2 3 1 0 0 0 0 1 2 1 14
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 0 0 0 2 0 1 0 0 0 0 0 1 6 0 3 1 14
474 Endless Belt Power Transmission Systems or Components 3 1 1 0 2 2 0 1 0 0 1 0 1 0 1 1 14
203 Distillation: Processes, Separatory 0 1 0 1 0 1 0 0 1 1 0 1 3 4 0 0 13
360 Dynamic Magnetic Information Storage or Retrieval 1 0 1 0 1 0 0 1 5 2 1 0 0 0 1 0 13
152 Resilient Tires and Wheels 0 0 0 0 1 0 1 0 1 1 0 0 4 0 2 2 12
332 Modulators 2 0 0 5 1 0 0 1 0 1 1 0 0 0 1 0 12
014 Bridges 0 1 0 1 3 0 1 0 0 1 1 0 3 0 0 0 11
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 0 1 2 0 1 1 0 1 0 0 0 1 0 0 1 3 11
353 Optics: Image Projectors 0 1 1 2 0 0 1 0 0 0 1 3 2 0 0 0 11
407 Cutters, for Shaping 0 1 0 0 2 0 0 0 1 2 0 1 0 2 1 1 11
412 Bookbinding: Process and Apparatus 0 1 1 1 1 1 0 0 0 0 2 0 1 2 0 1 11
441 Buoys, Rafts, and Aquatic Devices 0 0 0 0 1 1 2 0 2 0 1 1 0 0 2 1 11
460 Crop Threshing or Separating 1 0 0 0 3 1 1 5 0 0 0 0 0 0 0 0 11
102 Ammunition and Explosives 0 1 0 1 0 0 1 0 0 1 2 1 0 1 1 1 10
238 Railways: Surface Track 0 2 0 2 1 0 0 0 1 0 0 0 0 1 2 1 10
376 Induced Nuclear Reactions: Processes, Systems, and Elements 1 1 1 0 1 1 0 0 0 0 0 0 0 2 0 3 10
125 Stone Working 0 2 1 0 1 1 0 0 0 0 0 0 0 1 3 1 10
071 Chemistry: Fertilizers 2 1 1 0 0 1 0 0 0 0 1 1 1 0 0 1 9
225 Severing by Tearing or Breaking 0 0 0 0 0 1 0 0 0 0 2 0 2 2 1 1 9
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 2 0 0 0 0 0 0 0 0 0 0 0 0 1 6 0 9
023 Chemistry: Physical Processes 0 0 0 1 0 2 1 0 0 0 0 1 1 2 1 0 9
169 Fire Extinguishers 0 0 1 1 0 0 0 2 1 0 1 1 0 0 0 1 8
305 Wheel Substitutes for Land Vehicles 1 3 1 0 0 0 0 0 0 2 0 0 0 0 1 0 8
038 Textiles: Ironing or Smoothing 0 0 0 1 0 0 2 0 0 1 1 0 1 1 0 0 7
054 Harness for Working Animal 0 0 0 3 0 0 1 1 0 0 2 0 0 0 0 0 7
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 0 1 0 0 0 5 0 0 0 0 0 0 0 1 7
193 Conveyors, Chutes, Skids, Guides, and Ways 0 0 0 1 0 0 2 1 0 0 0 0 0 1 1 1 7
298 Land Vehicles: Dumping 0 3 0 0 1 1 0 0 0 0 0 1 1 0 0 0 7
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 1 1 1 1 1 0 0 1 0 0 0 0 0 1 0 7
413 Sheet Metal Container Making 0 1 0 0 0 0 1 0 1 0 0 0 1 1 1 1 7
419 Powder Metallurgy Processes 0 1 0 1 1 1 0 0 0 0 0 2 0 1 0 0 7
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 0 1 1 0 1 0 0 0 0 0 1 1 2 0 7
150 Purses, Wallets, and Protective Covers 0 2 1 0 0 0 0 0 0 0 0 0 1 1 1 0 6
201 Distillation: Processes, Thermolytic 0 0 0 0 0 0 0 0 0 1 0 0 2 0 0 3 6
420 Alloys or Metallic Compositions 1 0 0 0 0 0 1 1 0 0 0 0 1 0 1 1 6
065 Glass Manufacturing 1 0 1 0 0 0 0 0 0 0 0 1 0 2 0 0 5
196 Mineral Oils: Apparatus 0 0 0 0 0 0 0 0 1 1 1 0 0 0 2 0 5
237 Heating Systems 1 0 0 0 0 1 3 0 0 0 0 0 0 0 0 0 5
373 Industrial Electric Heating Furnaces 1 1 0 0 2 0 0 0 0 0 0 0 0 0 1 0 5
399 Electrophotography 1 0 0 0 0 0 0 1 1 0 0 0 0 0 1 1 5
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 0 1 1 0 0 1 1 0 0 1 0 0 0 0 0 5
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 0 2 1 0 0 0 0 0 0 0 0 0 0 1 1 0 5
027 Undertaking 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1 4
066 Textiles: Knitting 1 0 1 0 0 0 0 0 0 0 1 0 1 0 0 0 4
127 Sugar, Starch, and Carbohydrates 0 1 0 0 0 0 1 0 0 0 0 0 0 0 0 2 4
191 Electricity: Transmission To Vehicles 0 0 0 1 0 0 1 0 0 0 0 0 0 1 1 0 4
289 Knots and Knot Tying 0 0 0 0 0 0 1 0 0 1 0 0 0 1 1 0 4
512 Perfume Compositions 0 0 0 0 0 0 1 0 0 0 1 0 0 1 1 0 4
186 Merchandising 0 0 1 0 0 0 0 0 0 0 0 1 1 0 0 0 3
346 Recorders 0 0 0 0 0 0 2 0 0 0 1 0 0 0 0 0 3
492 Roll or Roller 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 3
012 Boot and Shoe Making 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 2
059 Chain, Staple, and Horseshoe Making 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 2
139 Textiles: Weaving 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2
149 Explosive and Thermic Compositions or Charges 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2
159 Concentrating Evaporators 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 2
178 Telegraphy 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2
291 Track Sanders 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2
299 Mining or In Situ Disintegration of Hard Material 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 2
329 Demodulators 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
352 Optics: Motion Pictures 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 2
355 Photocopying 0 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 2
483 Tool Changing 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 2
720 Dynamic Optical Information Storage or Retrieval 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2
019 Textiles: Fiber Preparation 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
028 Textiles: Manufacturing 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
057 Textiles: Spinning, Twisting, and Twining 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1
076 Metal Tools and Implements, Making 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
171 Unearthing Plants or Buried Objects 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
226 Advancing Material of Indeterminate Length 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
260 Chemistry of Carbon Compounds 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
293 Vehicle Fenders 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
388 Electricity: Motor Control Systems 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
ALL ALL CLASSES 3101 2981 2772 2616 2562 2246 2689 2314 2192 2312 2933 3033 3503 3766 4062 3909 46991


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