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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

Dallas-Fort Worth-Arlington, TX

( 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
370 Multiplex Communications 89 89 109 122 141 126 152 135 146 159 197 215 234 277 344 283 2818
455 Telecommunications 166 157 106 81 87 80 114 89 72 74 117 103 155 181 196 155 1933
438 Semiconductor Device Manufacturing: Process 130 167 120 125 170 104 130 115 106 98 117 99 80 78 80 55 1774
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 76 69 67 80 88 74 58 61 49 48 63 66 72 66 90 100 1127
375 Pulse or Digital Communications 39 36 40 37 47 49 74 59 72 53 62 73 107 77 94 93 1012
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 17 32 32 32 45 39 51 48 45 45 76 73 81 88 117 84 905
714 Error Detection/Correction and Fault Detection/Recovery 20 25 26 26 27 18 45 40 55 82 75 93 89 92 73 84 870
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 39 52 66 50 36 33 39 37 24 34 46 51 82 69 85 93 836
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 74 51 37 31 44 34 37 41 26 18 37 34 50 85 107 95 801
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 27 15 15 13 9 34 34 29 46 33 94 90 95 102 83 47 766
379 Telephonic Communications 69 57 45 59 58 38 44 29 23 32 34 33 56 55 49 36 717
365 Static Information Storage and Retrieval 53 36 32 41 41 36 34 26 24 27 30 37 33 42 33 31 556
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 43 53 42 43 37 32 31 28 23 22 31 20 14 30 31 33 513
385 Optical Waveguides 8 16 35 31 39 24 24 42 26 35 41 19 26 38 40 33 477
361 Electricity: Electrical Systems and Devices 35 47 41 31 35 30 28 29 24 18 28 24 19 17 35 18 459
707 DP: Database and File Management or Data Structures (Data Processing) 19 22 17 17 15 17 13 19 16 24 31 34 45 40 54 53 436
340 Communications: Electrical 39 18 25 11 22 18 37 28 23 33 27 24 28 41 29 30 433
398 Optical Communications 13 7 13 18 20 9 26 41 17 33 32 31 39 41 32 54 426
359 Optical: Systems and Elements 20 24 17 37 35 45 41 16 29 21 18 26 18 11 13 8 379
348 Television 14 15 9 16 15 16 20 23 15 13 16 16 30 30 42 42 332
473 Games Using Tangible Projectile 8 3 6 4 3 4 8 9 7 11 23 37 49 54 52 54 332
324 Electricity: Measuring and Testing 19 11 15 21 24 31 22 17 18 20 31 22 18 17 18 27 331
713 Support (Electrical Computers and Digital Processing Systems) 8 13 9 5 12 11 21 30 15 36 16 30 30 26 29 24 315
345 Computer Graphics Processing and Selective Visual Display Systems 26 13 12 10 17 11 22 17 11 12 16 16 31 38 25 34 311
382 Image Analysis 12 16 7 14 14 9 16 12 16 14 19 16 17 36 53 34 305
341 Coded Data Generation or Conversion 12 30 25 26 13 27 20 17 20 14 17 17 13 27 7 14 299
702 DP: Measuring, Calibrating, or Testing (Data Processing) 6 6 16 22 25 28 25 26 20 21 13 16 17 10 15 20 286
330 Amplifiers 20 19 25 23 22 13 20 16 15 11 18 18 18 14 5 8 265
250 Radiant Energy 22 16 22 17 17 12 28 17 19 13 14 5 15 16 15 11 259
726 Information Security 3 4 1 0 4 3 15 10 12 11 11 16 20 31 61 57 259
700 DP: Generic Control Systems or Specific Applications (Data Processing) 11 9 11 18 12 15 16 11 9 10 9 14 12 44 27 25 253
244 Aeronautics and Astronautics 9 16 19 15 11 5 6 3 5 6 13 17 18 24 35 46 248
073 Measuring and Testing 10 14 4 15 17 12 24 13 10 16 21 13 21 17 12 22 241
711 Memory (Electrical Computers and Digital Processing Systems) 22 18 9 17 21 13 11 15 8 2 13 5 16 15 26 25 236
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 9 13 11 12 7 8 6 13 11 6 10 17 15 22 25 43 228
725 Interactive Video Distribution Systems 3 3 2 5 3 2 7 0 3 2 9 12 14 39 64 52 220
606 Surgery (instruments) 9 4 9 8 3 3 7 5 7 7 16 13 14 39 48 24 216
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 16 11 22 19 19 16 19 10 14 8 25 4 1 7 13 11 215
052 Static Structures (e.g., Buildings) 10 10 19 9 9 5 11 2 5 10 18 11 18 16 24 31 208
439 Electrical Connectors 7 18 10 12 9 15 9 16 15 19 7 16 5 11 20 17 206
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 10 5 4 6 14 10 15 18 16 11 18 12 11 13 16 21 200
029 Metal Working 8 15 10 10 9 8 14 10 8 9 7 14 21 21 18 17 199
363 Electric Power Conversion Systems 43 28 20 7 7 4 8 3 2 4 4 3 6 14 19 27 199
128 Surgery (includes Class 600) 14 19 18 12 6 6 6 8 9 12 6 16 12 14 17 23 198
323 Electricity: Power Supply or Regulation Systems 16 11 6 17 10 7 12 5 14 10 14 19 15 9 15 12 192
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 4 9 3 2 5 3 6 4 8 4 9 20 16 26 36 35 190
717 DP: Software Development, Installation, and Management (Data Processing) 8 12 2 4 4 5 9 9 17 8 19 11 16 19 18 19 180
343 Communications: Radio Wave Antennas 11 15 12 9 10 17 16 8 5 9 9 8 10 15 13 8 175
356 Optics: Measuring and Testing 13 5 4 11 11 9 5 9 14 10 16 5 17 18 10 12 169
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 5 2 9 14 13 8 14 6 12 9 13 16 11 13 19 5 169
175 Boring or Penetrating the Earth 11 17 17 12 15 8 12 0 8 3 9 6 6 18 19 6 167
435 Chemistry: Molecular Biology and Microbiology 13 13 14 14 8 4 19 9 5 11 11 5 3 17 11 10 167
604 Surgery (Medicators and Receptors) 22 18 9 13 6 6 8 4 5 8 9 10 7 15 8 17 165
362 Illumination 8 5 13 12 6 8 7 12 10 4 15 5 16 14 8 21 164
326 Electronic Digital Logic Circuitry 11 12 15 10 10 10 4 11 9 14 13 14 2 11 3 7 156
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 13 14 20 8 4 6 12 15 8 10 4 6 8 10 10 5 153
607 Surgery: Light, Thermal, and Electrical Application 3 3 3 5 3 2 3 4 7 10 6 16 24 24 19 14 146
137 Fluid Handling 8 12 9 8 5 5 6 6 7 2 3 7 16 12 12 24 142
280 Land Vehicles 9 8 5 4 7 14 11 10 8 7 11 14 9 12 3 10 142
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 5 6 6 7 8 2 7 7 9 10 13 12 16 14 9 10 141
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 3 9 5 9 5 4 3 5 5 3 7 9 14 13 22 20 136
708 Arithmetic Processing and Calculating (Electrical Computers) 7 11 13 8 9 6 9 6 8 7 6 9 5 13 10 5 132
428 Stock Material or Miscellaneous Articles 22 8 7 10 10 8 3 4 3 5 5 4 9 12 6 11 127
372 Coherent Light Generators 5 3 5 7 15 10 13 13 13 6 11 6 4 5 5 4 125
426 Food or Edible Material: Processes, Compositions, and Products 2 9 7 13 3 5 5 3 5 4 11 14 12 9 12 10 124
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 16 13 7 5 8 12 15 8 9 5 6 3 6 2 2 6 123
206 Special Receptacle or Package 10 9 8 8 7 9 8 4 7 7 7 6 7 5 7 12 121
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 5 4 3 3 6 11 14 4 10 8 7 7 11 12 10 6 121
532 Organic Compounds (includes Classes 532-570) 3 6 9 6 6 5 7 4 2 5 9 8 13 18 6 13 120
119 Animal Husbandry 4 10 7 9 6 10 7 11 5 4 4 6 8 13 10 4 118
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 9 6 12 9 8 6 2 8 1 4 15 7 12 11 4 4 118
174 Electricity: Conductors and Insulators 6 12 11 9 8 13 4 6 12 7 4 2 6 2 8 5 115
062 Refrigeration 9 13 10 7 7 5 6 4 8 4 6 8 2 9 7 8 113
248 Supports (e.g., for holding articles, etc.) 13 10 11 4 8 6 7 6 5 3 9 6 7 6 4 7 112
331 Oscillators 6 6 9 10 8 9 7 4 13 8 11 6 4 4 4 1 110
219 Electric Heating 16 9 7 4 5 5 5 5 3 2 1 3 9 8 13 10 105
360 Dynamic Magnetic Information Storage or Retrieval 11 6 10 17 15 4 10 4 3 2 3 1 8 2 4 0 100
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 10 9 6 10 8 3 1 5 2 2 4 4 4 8 8 14 98
210 Liquid Purification or Separation 11 8 5 8 6 5 8 4 2 6 3 5 11 4 5 5 96
353 Optics: Image Projectors 1 3 3 5 10 9 6 8 5 3 5 14 4 5 7 1 89
706 DP: Artificial Intelligence (Data Processing) 0 3 1 4 2 4 6 3 0 7 14 8 7 9 7 8 83
307 Electrical Transmission or Interconnection Systems 4 5 4 1 2 0 2 3 7 2 8 3 7 7 12 15 82
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 4 3 5 6 7 7 3 2 5 3 5 1 9 6 9 5 80
198 Conveyors: Power-Driven 6 13 10 8 5 3 2 4 1 4 2 4 2 5 4 5 78
320 Electricity: Battery or Capacitor Charging or Discharging 7 11 4 2 3 5 0 1 2 3 6 2 10 9 3 8 76
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 6 4 2 7 6 5 4 1 4 6 9 8 7 2 2 2 75
296 Land Vehicles: Bodies and Tops 7 8 3 3 3 4 3 10 4 3 4 4 5 1 4 7 73
380 Cryptography 1 1 0 3 2 4 6 4 2 1 4 8 7 11 12 7 73
220 Receptacles 5 6 4 2 1 4 2 2 2 1 3 4 5 9 11 9 70
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 7 7 7 9 7 2 4 2 1 2 3 4 5 3 2 5 70
416 Fluid Reaction Surfaces (i.e., Impellers) 5 3 5 0 0 1 2 2 2 1 4 4 4 6 9 22 70
427 Coating Processes 7 6 9 5 5 2 3 2 3 0 7 3 4 7 2 5 70
211 Supports: Racks 3 2 5 4 2 3 5 4 0 1 3 11 10 4 4 8 69
433 Dentistry 2 7 6 3 4 8 0 7 3 0 8 4 4 8 1 4 69
089 Ordnance 0 6 1 0 9 0 2 0 2 7 3 11 9 5 4 9 68
318 Electricity: Motive Power Systems 8 5 4 5 2 1 3 4 0 1 1 3 5 6 8 11 67
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 7 7 1 3 3 3 3 2 4 3 2 0 4 7 9 9 67
060 Power Plants 2 3 4 1 5 1 2 1 1 2 3 6 7 15 6 8 67
297 Chairs and Seats 7 1 2 3 3 2 2 2 2 4 5 4 3 8 13 5 66
134 Cleaning and Liquid Contact with Solids 6 8 8 4 3 0 6 6 4 3 1 1 1 3 6 5 65
165 Heat Exchange 6 3 5 4 8 3 15 5 1 1 4 2 0 2 3 2 64
333 Wave Transmission Lines and Networks 3 3 6 5 5 5 3 1 5 2 1 2 2 6 5 9 63
351 Optics: Eye Examining, Vision Testing and Correcting 2 0 2 1 6 7 6 1 5 7 3 5 3 5 5 5 63
040 Card, Picture, or Sign Exhibiting 6 7 3 4 6 1 4 3 2 2 4 2 7 4 3 3 61
414 Material or Article Handling 6 5 7 5 4 1 3 6 0 3 3 5 0 4 4 5 61
315 Electric Lamp and Discharge Devices: Systems 2 6 6 3 3 0 5 1 4 2 1 2 5 4 7 9 60
434 Education and Demonstration 6 2 6 6 8 4 2 3 4 3 0 3 3 3 3 4 60
053 Package Making 1 1 3 2 6 8 3 8 3 5 1 5 2 4 3 4 59
209 Classifying, Separating, and Assorting Solids 3 3 4 2 4 3 5 3 3 1 2 3 2 11 7 3 59
310 Electrical Generator or Motor Structure 2 3 3 5 4 3 5 6 2 4 4 3 3 2 4 5 58
381 Electrical Audio Signal Processing Systems and Devices 1 0 2 3 4 5 2 2 3 3 4 4 9 3 2 11 58
417 Pumps 4 2 2 2 3 2 0 2 3 4 1 5 9 8 7 4 58
005 Beds 3 5 4 2 6 3 1 2 1 2 2 6 4 5 5 6 57
042 Firearms 4 5 7 0 4 0 7 4 0 3 3 5 3 3 2 7 57
118 Coating Apparatus 6 9 4 7 4 2 2 5 0 2 5 1 0 2 4 4 57
358 Facsimile and Static Presentation Processing 7 4 6 1 2 0 3 4 5 3 3 3 4 4 4 4 57
405 Hydraulic and Earth Engineering 5 3 4 9 2 4 3 1 2 2 3 5 2 3 9 0 57
482 Exercise Devices 3 4 2 4 3 0 3 2 3 3 7 7 1 3 7 3 55
290 Prime-Mover Dynamo Plants 0 1 0 2 4 0 2 5 5 3 5 5 4 7 6 5 54
228 Metal Fusion Bonding 15 7 9 3 2 2 2 1 0 2 1 0 2 3 3 1 53
463 Amusement Devices: Games 2 1 1 2 2 1 0 3 4 3 4 5 4 5 11 5 53
033 Geometrical Instruments 3 2 6 4 6 5 5 3 1 1 2 3 1 5 3 2 52
102 Ammunition and Explosives 2 1 4 4 2 5 1 2 4 1 5 1 4 5 6 5 52
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 1 4 0 2 1 3 4 1 3 2 6 7 6 7 1 4 52
386 Motion Video Signal Processing for Recording or Reproducing 0 1 1 1 0 0 2 1 1 2 0 3 5 3 17 14 51
002 Apparel 3 3 3 5 1 0 4 0 3 1 3 5 4 3 5 7 50
081 Tools 6 7 4 3 2 3 1 4 6 1 1 1 1 5 4 1 50
004 Baths, Closets, Sinks, and Spittoons 4 4 3 3 2 3 4 2 3 2 5 2 3 3 4 2 49
367 Communications, Electrical: Acoustic Wave Systems and Devices 8 0 1 1 0 3 2 0 3 2 4 3 2 7 5 8 49
336 Inductor Devices 3 8 6 1 2 3 3 1 1 2 2 5 0 1 2 8 48
037 Excavating 5 3 6 3 6 1 4 2 0 2 2 1 4 3 0 3 45
101 Printing 6 8 3 3 7 4 3 1 0 0 1 1 2 3 3 0 45
126 Stoves and Furnaces 6 5 3 2 4 0 2 1 0 2 0 3 3 1 6 7 45
043 Fishing, Trapping, and Vermin Destroying 2 2 1 3 3 3 3 0 1 1 4 6 3 1 5 6 44
261 Gas and Liquid Contact Apparatus 4 4 4 1 3 1 3 3 1 2 2 3 2 8 3 0 44
294 Handling: Hand and Hoist-Line Implements 5 1 5 2 1 2 6 2 1 0 2 2 3 5 5 2 44
099 Foods and Beverages: Apparatus 2 3 5 2 1 4 2 1 1 1 3 5 1 2 9 1 43
273 Amusement Devices: Games 1 5 4 3 1 1 3 3 4 0 1 2 7 3 4 1 43
105 Railway Rolling Stock 4 5 5 1 4 5 2 5 0 1 3 1 1 2 2 1 42
285 Pipe Joints or Couplings 4 3 2 0 1 3 5 2 2 8 2 3 2 1 2 2 42
451 Abrading 3 2 3 4 7 4 5 2 3 0 0 3 2 0 0 4 42
222 Dispensing (apparatus and process) 2 5 5 3 2 2 3 2 1 1 4 2 3 5 2 0 42
124 Mechanical Guns and Projectors 1 2 0 1 4 2 0 1 3 0 1 4 3 9 6 4 41
423 Chemistry of Inorganic Compounds 1 4 3 3 3 4 0 2 3 0 1 2 3 2 8 2 41
446 Amusement Devices: Toys 2 2 2 1 2 1 2 2 0 2 0 3 3 1 8 9 40
015 Brushing, Scrubbing, and General Cleaning 4 1 2 1 4 3 2 1 3 1 3 2 3 3 3 3 39
084 Music 1 1 1 0 0 3 2 2 2 6 6 2 3 2 6 1 38
123 Internal-Combustion Engines 2 5 4 2 1 5 6 0 4 3 2 0 0 1 2 1 38
132 Toilet 3 8 5 1 5 2 2 1 0 2 1 2 1 1 1 3 38
239 Fluid Sprinkling, Spraying, and Diffusing 4 3 2 0 1 3 2 5 2 1 1 5 1 4 1 3 38
256 Fences 1 3 2 4 4 1 1 1 2 4 0 3 1 2 4 5 38
454 Ventilation 3 8 7 2 1 2 3 0 0 2 1 0 3 1 3 2 38
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 4 4 2 2 0 1 2 0 0 1 0 2 7 4 1 6 36
180 Motor Vehicles 3 0 3 0 0 0 2 2 4 3 4 4 1 1 4 3 34
436 Chemistry: Analytical and Immunological Testing 2 3 3 2 0 2 1 1 3 1 2 2 6 1 3 2 34
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 4 5 2 2 0 2 1 0 3 1 4 5 4 1 0 0 34
160 Flexible or Portable Closure, Partition, or Panel 6 2 1 6 4 1 1 2 0 2 3 2 1 1 0 1 33
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 1 5 2 2 4 3 1 3 1 0 3 1 0 2 4 1 33
024 Buckles, Buttons, Clasps, Etc. 0 1 4 3 1 2 1 0 1 2 3 2 2 2 3 5 32
602 Surgery: Splint, Brace, or Bandage 3 3 0 1 1 2 4 3 1 1 3 4 2 2 0 2 32
034 Drying and Gas or Vapor Contact with Solids 3 6 3 3 2 1 0 2 1 1 1 1 1 0 1 3 29
216 Etching a Substrate: Processes 0 2 3 0 3 2 2 2 3 0 1 2 4 3 2 0 29
251 Valves and Valve Actuation 1 0 1 0 0 1 1 0 2 0 0 2 2 8 5 6 29
252 Compositions 2 2 0 1 2 1 4 1 0 1 4 1 2 4 0 4 29
312 Supports: Cabinet Structure 4 1 2 5 3 2 0 1 0 2 1 2 1 1 3 1 29
366 Agitating (e.g., of articles and materials) 3 1 3 2 1 2 1 0 1 1 3 2 1 2 5 1 29
403 Joints and Connections 3 2 3 3 3 0 1 0 0 1 2 1 4 1 1 3 28
368 Horology: Time Measuring Systems or Devices 3 2 0 5 1 2 3 0 1 1 3 1 0 3 0 2 27
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 3 2 1 2 3 1 1 1 2 1 2 3 3 1 1 27
014 Bridges 1 0 0 1 0 4 6 5 2 0 3 3 0 1 0 0 26
136 Batteries: Thermoelectric and Photoelectric 4 3 4 2 1 0 0 0 0 2 3 0 1 1 1 4 26
410 Freight Accommodation On Freight Carrier 1 2 2 0 0 1 0 0 1 2 4 0 3 6 3 1 26
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 4 1 1 2 1 1 3 2 2 3 0 0 0 1 3 2 26
108 Horizontally Supported Planar Surfaces 5 0 4 0 0 0 1 0 2 0 1 2 2 3 3 2 25
242 Winding, Tensioning, or Guiding 2 1 1 2 2 2 2 2 0 2 0 1 0 1 2 5 25
138 Pipes and Tubular Conduits 2 4 0 1 1 1 3 1 1 1 0 0 2 2 2 3 24
204 Chemistry: Electrical and Wave Energy 4 6 1 3 0 1 0 1 0 0 1 0 3 1 2 1 24
396 Photography 4 0 1 2 4 2 1 1 2 2 1 1 1 1 1 0 24
104 Railways 0 1 4 2 3 3 3 0 2 0 1 1 0 0 1 2 23
347 Incremental Printing of Symbolic Information 3 4 3 3 2 3 1 1 1 0 1 0 1 0 0 0 23
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 2 2 1 4 1 1 1 1 1 1 1 0 0 2 1 3 22
070 Locks 4 1 2 0 1 1 0 3 2 1 0 1 3 0 2 1 22
188 Brakes 3 4 1 0 1 0 0 0 1 2 1 0 1 2 3 3 22
208 Mineral Oils: Processes and Products 3 3 3 1 0 3 0 3 0 0 2 1 1 1 0 1 22
224 Package and Article Carriers 0 2 1 2 0 1 1 0 0 0 0 1 4 1 1 8 22
277 Seal for a Joint or Juncture 1 2 3 4 1 1 1 1 4 0 0 0 1 0 2 1 22
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 2 4 2 0 1 1 0 1 0 0 0 3 1 2 3 2 22
055 Gas Separation 3 2 0 1 0 0 0 1 1 0 1 3 3 3 2 1 21
114 Ships 1 1 0 1 0 1 4 1 2 0 0 1 1 3 1 4 21
349 Liquid Crystal Cells, Elements and Systems 2 2 3 2 0 1 1 0 1 1 0 2 2 2 1 1 21
383 Flexible Bags 0 2 1 3 1 1 1 1 0 0 2 1 0 1 2 5 21
401 Coating Implements with Material Supply 2 2 1 0 1 0 0 2 1 3 0 1 2 0 5 1 21
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 0 0 1 2 0 1 0 1 3 2 0 4 1 1 2 3 21
030 Cutlery 0 3 1 2 0 0 0 1 1 0 1 1 4 2 2 2 20
074 Machine Element or Mechanism 3 1 0 0 0 0 1 2 0 1 1 0 1 2 1 7 20
083 Cutting 1 3 3 1 2 0 2 0 0 1 2 0 2 1 2 0 20
106 Compositions: Coating or Plastic 2 3 0 2 3 0 0 0 1 0 1 3 0 1 2 2 20
200 Electricity: Circuit Makers and Breakers 0 0 2 1 2 1 1 1 1 0 2 1 3 2 2 1 20
269 Work Holders 4 2 0 3 0 2 2 0 1 0 1 1 1 1 1 1 20
095 Gas Separation: Processes 3 0 1 0 1 0 0 1 1 1 0 2 0 2 6 1 19
049 Movable or Removable Closures 4 4 2 0 3 0 1 0 0 0 0 0 1 0 1 2 18
092 Expansible Chamber Devices 0 1 1 0 1 3 1 3 1 0 0 0 2 1 1 3 18
232 Deposit and Collection Receptacles 0 1 0 3 2 0 1 1 0 1 4 3 2 0 0 0 18
404 Road Structure, Process, or Apparatus 1 1 1 3 1 0 1 4 0 1 0 1 1 1 1 1 18
415 Rotary Kinetic Fluid Motors or Pumps 1 0 0 2 1 2 4 0 0 1 2 0 2 0 2 1 18
072 Metal Deforming 2 1 1 0 0 3 2 1 0 1 0 1 2 2 0 1 17
116 Signals and Indicators 1 3 0 1 0 0 1 2 2 1 2 0 1 0 1 2 17
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 3 1 0 2 3 0 0 0 2 0 0 0 1 1 1 3 17
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 1 1 2 2 1 2 1 1 2 0 0 0 0 2 0 2 17
215 Bottles and Jars 0 0 3 2 0 1 0 1 0 0 2 2 2 3 0 1 17
271 Sheet Feeding or Delivering 1 1 1 3 1 0 0 0 0 1 1 3 2 2 0 1 17
431 Combustion 2 1 5 2 0 0 2 0 0 1 0 0 1 1 1 1 17
229 Envelopes, Wrappers, and Paperboard Boxes 4 2 1 1 1 0 0 2 0 0 0 2 0 1 2 0 16
355 Photocopying 3 2 2 5 0 1 0 0 0 0 0 1 0 0 0 2 16
374 Thermal Measuring and Testing 0 2 0 0 2 0 2 1 0 0 2 0 1 3 3 0 16
408 Cutting by Use of Rotating Axially Moving Tool 1 1 1 1 1 0 1 1 1 1 1 0 2 1 1 2 16
441 Buoys, Rafts, and Aquatic Devices 1 3 0 2 0 1 0 0 0 3 1 1 0 1 1 2 16
036 Boots, Shoes, and Leggings 4 0 2 0 0 1 1 1 0 1 1 0 1 1 1 1 15
135 Tent, Canopy, Umbrella, or Cane 0 1 0 0 0 0 0 0 0 0 1 3 2 3 3 2 15
181 Acoustics 1 1 1 0 1 0 0 0 0 0 1 1 2 0 3 4 15
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 0 2 1 1 0 0 1 2 0 0 1 1 3 0 2 1 15
047 Plant Husbandry 4 1 2 2 0 0 1 0 1 0 1 0 1 0 0 1 14
096 Gas Separation: Apparatus 1 0 0 0 0 1 1 1 0 2 1 0 3 3 0 1 14
221 Article Dispensing 0 2 2 1 0 1 0 1 2 0 0 1 2 0 0 2 14
236 Automatic Temperature and Humidity Regulation 1 0 1 0 1 1 0 1 0 2 1 1 0 2 0 3 14
292 Closure Fasteners 1 1 1 0 1 0 1 0 1 1 1 0 0 0 3 3 14
392 Electric Resistance Heating Devices 1 2 1 1 1 0 0 2 0 0 1 1 0 1 2 1 14
432 Heating 1 1 0 2 1 1 2 3 3 0 0 0 0 0 0 0 14
065 Glass Manufacturing 0 2 0 3 0 0 1 3 1 1 0 1 0 0 0 1 13
112 Sewing 1 0 0 0 1 1 0 1 1 2 1 1 1 1 1 1 13
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 2 2 3 1 0 1 0 2 1 0 1 0 0 0 0 0 13
267 Spring Devices 0 2 1 0 1 0 0 0 0 0 0 0 0 2 5 2 13
378 X-Ray or Gamma Ray Systems or Devices 0 0 0 2 1 1 0 2 0 1 0 0 1 3 0 2 13
313 Electric Lamp and Discharge Devices 1 1 1 1 3 0 1 0 0 1 1 0 2 0 0 0 12
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 0 0 0 1 1 0 2 2 1 1 0 1 0 1 1 1 12
507 Earth Boring, Well Treating, and Oil Field Chemistry 2 1 0 1 0 1 1 0 0 2 1 1 0 0 0 2 12
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 0 1 1 1 1 1 1 1 2 2 0 0 0 1 0 0 12
122 Liquid Heaters and Vaporizers 1 2 0 1 1 1 0 3 0 0 1 0 0 0 0 1 11
182 Fire Escape, Ladder, or Scaffold 1 0 3 0 1 0 0 1 0 0 0 0 2 1 0 2 11
184 Lubrication 1 0 1 0 0 1 0 0 0 1 0 0 1 1 3 2 11
369 Dynamic Information Storage or Retrieval 0 0 0 1 1 0 3 1 0 0 0 2 2 1 0 0 11
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 1 0 0 1 0 0 0 1 1 0 3 0 1 1 2 11
169 Fire Extinguishers 1 0 0 0 0 1 1 0 0 2 0 1 0 0 1 3 10
472 Amusement Devices 1 0 0 0 0 1 1 0 0 0 0 2 2 0 2 1 10
063 Jewelry 0 3 1 0 1 0 0 0 1 1 0 0 0 1 1 0 9
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 0 0 0 0 0 0 0 0 0 1 1 2 2 1 2 0 9
100 Presses 0 0 0 1 0 1 1 0 1 0 2 0 0 3 0 0 9
152 Resilient Tires and Wheels 1 0 0 1 0 0 0 1 2 0 0 0 3 0 1 0 9
162 Paper Making and Fiber Liberation 0 0 0 0 0 0 0 0 0 2 2 2 1 1 0 1 9
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 2 2 0 1 0 0 2 1 0 1 0 0 0 0 0 9
241 Solid Material Comminution or Disintegration 0 3 2 1 1 0 1 0 1 0 0 0 0 0 0 0 9
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 2 1 2 0 0 1 0 0 0 0 1 0 0 1 0 1 9
720 Dynamic Optical Information Storage or Retrieval 0 0 0 1 1 0 0 1 0 0 3 1 1 1 0 0 9
082 Turning (e.g., for metal working) 1 2 0 0 1 0 0 0 1 0 0 0 0 2 1 0 8
203 Distillation: Processes, Separatory 0 1 0 0 0 0 2 0 1 0 0 0 1 2 0 1 8
332 Modulators 0 2 0 0 1 1 0 0 0 0 1 2 0 0 1 0 8
338 Electrical Resistors 1 1 1 0 0 0 0 1 1 0 2 0 0 0 1 0 8
406 Conveyors: Fluid Current 0 1 0 1 0 0 1 1 1 1 0 1 0 0 1 0 8
440 Marine Propulsion 0 0 1 0 0 0 0 0 2 1 0 1 0 1 0 2 8
044 Fuel and Related Compositions 1 1 0 0 0 0 0 0 0 0 1 1 2 1 0 0 7
054 Harness for Working Animal 0 0 0 0 0 2 0 3 0 0 0 1 0 1 0 0 7
057 Textiles: Spinning, Twisting, and Twining 0 1 1 0 0 0 0 1 0 0 1 2 1 0 0 0 7
087 Textiles: Braiding, Netting, and Lace Making 0 0 0 0 0 0 0 0 0 0 0 0 0 0 7 0 7
223 Apparel Apparatus 1 1 1 0 0 0 0 1 1 0 0 1 0 0 1 0 7
281 Books, Strips, and Leaves 1 0 0 0 0 1 1 0 0 1 0 1 2 0 0 0 7
501 Compositions: Ceramic 0 0 0 0 1 0 1 1 0 0 2 0 2 0 0 0 7
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 0 0 0 0 0 0 0 0 0 1 0 3 0 3 0 0 7
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 1 5 1 0 0 0 0 0 0 0 0 0 0 0 0 0 7
585 Chemistry of Hydrocarbon Compounds 2 2 0 0 0 0 0 0 0 0 0 0 0 0 3 0 7
601 Surgery: Kinesitherapy 1 0 0 0 1 0 0 0 0 0 0 1 1 1 0 2 7
131 Tobacco 0 0 0 0 0 0 0 0 0 0 1 0 0 2 2 1 6
139 Textiles: Weaving 1 0 0 0 1 1 1 0 0 0 0 0 1 0 0 1 6
148 Metal Treatment 1 0 1 0 3 0 0 0 0 1 0 0 0 0 0 0 6
149 Explosive and Thermic Compositions or Charges 1 1 0 0 0 0 0 0 0 1 1 0 1 1 0 0 6
150 Purses, Wallets, and Protective Covers 2 0 1 0 0 1 0 0 0 2 0 0 0 0 0 0 6
164 Metal Founding 0 0 2 1 0 0 3 0 0 0 0 0 0 0 0 0 6
194 Check-Actuated Control Mechanisms 3 0 0 0 1 0 0 0 0 0 0 0 1 1 0 0 6
301 Land Vehicles: Wheels and Axles 1 1 1 0 0 0 0 0 0 0 2 0 1 0 0 0 6
400 Typewriting Machines 1 1 0 0 0 1 1 0 0 0 0 0 2 0 0 0 6
450 Foundation Garments 2 1 0 0 0 0 0 0 0 0 1 1 0 0 1 0 6
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 1 0 0 1 0 1 0 0 0 0 0 0 1 0 1 0 5
027 Undertaking 0 1 0 0 0 0 0 0 2 0 0 2 0 0 0 0 5
111 Planting 0 0 1 0 1 1 0 0 0 0 1 0 0 0 1 0 5
125 Stone Working 0 1 0 0 0 0 0 0 0 0 1 1 1 0 1 0 5
202 Distillation: Apparatus 0 0 0 0 0 0 0 0 0 1 0 1 1 1 0 1 5
225 Severing by Tearing or Breaking 1 1 0 0 0 0 0 0 0 0 0 0 0 0 3 0 5
238 Railways: Surface Track 0 0 1 0 0 0 1 0 0 0 1 0 0 1 0 1 5
283 Printed Matter 0 0 1 2 1 0 0 0 0 0 0 0 0 1 0 0 5
298 Land Vehicles: Dumping 0 2 0 1 1 0 0 1 0 0 0 0 0 0 0 0 5
303 Fluid-Pressure and Analogous Brake Systems 0 1 1 0 0 0 0 0 1 0 0 0 0 0 0 2 5
352 Optics: Motion Pictures 0 0 0 1 1 0 0 0 0 1 0 0 0 1 0 1 5
376 Induced Nuclear Reactions: Processes, Systems, and Elements 0 0 0 0 0 0 1 0 1 0 1 0 0 0 1 1 5
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 0 0 0 0 1 0 0 0 0 0 0 1 0 2 1 0 5
418 Rotary Expansible Chamber Devices 0 2 0 0 0 0 0 0 0 0 0 0 0 0 2 1 5
445 Electric Lamp or Space Discharge Component or Device Manufacturing 2 0 0 2 0 0 0 0 1 0 0 0 0 0 0 0 5
477 Interrelated Power Delivery Controls, Including Engine Control 0 0 0 0 0 0 0 0 0 1 0 0 1 3 0 0 5
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 0 0 0 0 0 2 0 0 0 0 1 0 1 1 0 0 5
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 3 5
051 Abrasive Tool Making Process, Material, or Composition 1 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 4
177 Weighing Scales 0 1 1 0 1 0 0 0 0 0 1 0 0 0 0 0 4
190 Trunks and Hand-Carried Luggage 0 0 0 0 0 1 0 0 2 1 0 0 0 0 0 0 4
237 Heating Systems 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 2 4
249 Static Molds 2 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 4
293 Vehicle Fenders 1 1 0 0 0 0 0 0 0 1 0 0 0 0 1 0 4
337 Electricity: Electrothermally or Thermally Actuated Switches 0 0 1 1 1 0 0 0 0 0 1 0 0 0 0 0 4
388 Electricity: Motor Control Systems 2 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 4
452 Butchering 0 0 0 0 0 1 0 0 1 0 0 1 0 1 0 0 4
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 0 0 0 0 1 1 0 0 1 1 0 0 0 0 0 0 4
504 Plant Protecting and Regulating Compositions 0 0 0 0 0 0 0 1 0 0 0 0 1 0 1 1 4
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 0 0 0 0 2 0 0 0 0 0 0 1 0 0 0 1 4
007 Compound Hand Tools 0 0 0 0 0 0 1 0 0 0 0 0 0 2 0 0 3
091 Motors: Expansible Chamber Type 0 0 0 0 0 1 0 1 0 0 0 1 0 0 0 0 3
140 Wireworking 0 0 1 0 0 0 1 0 0 0 0 0 0 0 1 0 3
144 Woodworking 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 3
172 Earth Working 2 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 3
173 Tool Driving or Impacting 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 2 3
193 Conveyors, Chutes, Skids, Guides, and Ways 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 3
213 Railway Draft Appliances 0 1 0 0 0 0 0 0 0 0 0 0 0 2 0 0 3
322 Electricity: Single Generator Systems 0 0 0 1 0 0 0 0 0 0 0 0 0 0 2 0 3
329 Demodulators 1 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3
384 Bearings 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 3
409 Gear Cutting, Milling, or Planing 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 3
474 Endless Belt Power Transmission Systems or Components 0 0 0 0 0 0 0 0 1 1 0 1 0 0 0 0 3
475 Planetary Gear Transmission Systems or Components 0 1 0 0 0 0 0 0 0 0 0 0 1 0 1 0 3
483 Tool Changing 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 3
012 Boot and Shoe Making 0 0 0 0 1 0 0 0 1 0 0 0 0 0 0 0 2
019 Textiles: Fiber Preparation 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 2
023 Chemistry: Physical Processes 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 2
056 Harvesters 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 2
059 Chain, Staple, and Horseshoe Making 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
071 Chemistry: Fertilizers 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 2
076 Metal Tools and Implements, Making 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 2
086 Ammunition and Explosive-Charge Making 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 2
186 Merchandising 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 2
191 Electricity: Transmission To Vehicles 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 2
192 Clutches and Power-Stop Control 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 2
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
266 Metallurgical Apparatus 0 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 2
279 Chucks or Sockets 0 1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 2
373 Industrial Electric Heating Furnaces 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 2
399 Electrophotography 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 2
419 Powder Metallurgy Processes 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 2
453 Coin Handling 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 2
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 2
028 Textiles: Manufacturing 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
048 Gas: Heating and Illuminating 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
066 Textiles: Knitting 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
068 Textiles: Fluid Treating Apparatus 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
109 Safes, Bank Protection, or a Related Device 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
178 Telegraphy 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
196 Mineral Oils: Apparatus 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
201 Distillation: Processes, Thermolytic 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
227 Elongated-Member-Driving Apparatus 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
246 Railway Switches and Signals 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
299 Mining or In Situ Disintegration of Hard Material 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
412 Bookbinding: Process and Apparatus 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
413 Sheet Metal Container Making 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
420 Alloys or Metallic Compositions 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
462 Books, Strips, and Leaves for Manifolding 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
492 Roll or Roller 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
588 Hazardous or Toxic Waste Destruction or Containment 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
ALL ALL CLASSES 2116 2130 1926 1884 1959 1685 2016 1766 1669 1676 2189 2215 2544 2922 3177 3026 34898


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Electronic Information Products Division - PTMT
P.O Box 1450
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tel: (571) 272-5600
fax: (571) 273-0110
email: oeip@uspto.gov

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selected PTMT files available for download at : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/data/

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