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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

Durham-Chapel Hill, NC

( 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
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 52 68 58 59 28 39 66 52 53 46 61 57 69 69 96 99 972
435 Chemistry: Molecular Biology and Microbiology 30 32 26 37 25 15 36 32 33 20 32 20 34 35 35 27 469
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 10 11 4 9 10 12 9 12 13 22 28 33 38 33 42 39 325
455 Telecommunications 23 24 19 13 9 6 17 13 8 15 19 10 19 16 17 17 245
370 Multiplex Communications 14 16 13 15 21 12 15 11 16 8 13 30 13 23 10 12 242
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 2 2 9 3 12 8 10 15 14 23 30 13 27 34 33 235
532 Organic Compounds (includes Classes 532-570) 15 21 14 12 8 11 10 12 11 11 15 12 14 16 18 13 213
707 DP: Database and File Management or Data Structures (Data Processing) 2 4 6 6 7 5 7 1 5 7 26 20 19 20 21 21 177
375 Pulse or Digital Communications 2 7 4 15 14 14 5 4 2 6 7 18 17 15 12 13 155
128 Surgery (includes Class 600) 12 4 8 13 5 7 7 7 9 6 8 10 13 13 12 15 149
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 10 3 7 6 3 2 12 8 6 10 8 10 18 13 10 11 137
438 Semiconductor Device Manufacturing: Process 3 4 3 4 3 6 15 9 12 12 10 12 13 8 6 7 127
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 5 0 4 6 1 6 2 4 5 8 6 8 23 15 16 13 122
711 Memory (Electrical Computers and Digital Processing Systems) 5 9 3 4 5 3 2 8 9 13 12 9 7 5 19 8 121
713 Support (Electrical Computers and Digital Processing Systems) 2 2 4 3 5 6 15 6 8 8 12 10 8 5 5 14 113
714 Error Detection/Correction and Fault Detection/Recovery 4 4 2 9 3 2 10 6 3 7 10 11 4 5 9 7 96
345 Computer Graphics Processing and Selective Visual Display Systems 0 2 2 1 4 3 7 5 5 6 6 7 8 8 7 12 83
361 Electricity: Electrical Systems and Devices 4 4 9 3 5 2 2 4 4 8 8 3 6 6 7 8 83
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 4 4 6 3 3 4 5 2 5 3 6 4 3 8 10 13 83
726 Information Security 2 2 2 2 1 3 7 4 3 4 8 6 8 12 11 8 83
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 1 2 0 0 1 2 4 5 1 2 7 8 15 16 8 9 81
340 Communications: Electrical 5 4 2 0 2 3 5 1 9 10 6 1 7 8 7 9 79
717 DP: Software Development, Installation, and Management (Data Processing) 2 6 3 2 3 0 3 2 2 6 4 4 7 14 13 8 79
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 5 2 1 1 5 3 3 7 5 8 9 13 3 6 5 1 77
356 Optics: Measuring and Testing 1 0 0 5 1 1 6 4 7 11 3 5 8 3 11 3 69
606 Surgery (instruments) 4 5 3 4 3 5 5 1 2 4 6 3 6 2 9 6 68
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 7 4 5 4 9 10 6 3 1 1 1 1 4 3 2 2 63
382 Image Analysis 1 0 1 0 3 0 1 2 1 3 3 4 11 7 16 9 62
365 Static Information Storage and Retrieval 0 1 2 2 4 5 10 3 7 3 4 2 2 2 3 2 52
379 Telephonic Communications 4 7 0 5 1 5 4 2 3 1 1 3 3 5 3 2 49
700 DP: Generic Control Systems or Specific Applications (Data Processing) 5 0 4 1 2 1 6 4 3 1 4 6 4 2 4 2 49
362 Illumination 0 1 1 1 0 0 1 1 1 2 3 8 8 6 7 7 47
436 Chemistry: Analytical and Immunological Testing 1 0 2 2 4 2 3 2 2 3 4 3 1 7 8 3 47
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 1 1 3 3 2 0 3 0 4 3 4 4 6 6 1 2 43
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 2 1 1 0 4 3 1 2 5 1 0 4 2 8 4 4 42
250 Radiant Energy 2 2 3 0 3 0 0 3 1 5 1 4 0 4 3 8 39
702 DP: Measuring, Calibrating, or Testing (Data Processing) 1 2 2 3 2 1 4 3 1 3 3 1 6 1 2 3 38
073 Measuring and Testing 4 4 1 3 0 4 6 1 0 0 1 3 1 2 2 3 35
385 Optical Waveguides 2 1 3 4 2 1 2 4 6 0 1 1 3 1 2 1 34
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 0 0 3 2 2 1 2 0 4 0 2 4 2 2 4 6 34
204 Chemistry: Electrical and Wave Energy 0 1 1 4 1 2 1 2 1 1 1 3 5 3 3 4 33
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 0 1 2 2 1 2 1 0 1 3 1 3 5 2 3 5 32
330 Amplifiers 1 5 5 5 6 1 2 1 0 1 1 2 0 0 1 0 31
604 Surgery (Medicators and Receptors) 0 1 1 2 0 1 1 2 1 3 3 3 3 3 5 2 31
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 1 1 3 3 5 2 1 1 2 1 1 2 3 1 1 2 30
378 X-Ray or Gamma Ray Systems or Devices 1 0 0 1 0 4 2 3 2 3 2 2 2 2 0 2 26
607 Surgery: Light, Thermal, and Electrical Application 2 0 0 1 0 1 1 1 1 0 0 3 2 4 4 6 26
280 Land Vehicles 0 0 0 0 0 2 0 2 0 5 2 2 1 1 6 4 25
324 Electricity: Measuring and Testing 1 2 0 2 0 1 1 1 2 0 3 3 1 1 4 3 25
427 Coating Processes 5 3 3 2 0 0 4 2 0 2 0 1 1 1 1 0 25
029 Metal Working 2 0 0 1 0 2 1 2 0 1 3 9 0 0 1 2 24
323 Electricity: Power Supply or Regulation Systems 1 0 3 2 2 2 6 1 0 0 1 4 0 0 1 0 23
359 Optical: Systems and Elements 0 1 3 1 3 3 0 1 1 1 3 3 1 1 1 0 23
221 Article Dispensing 1 0 0 1 0 4 1 0 1 0 3 5 2 1 3 0 22
348 Television 0 0 1 0 0 0 4 0 0 2 3 1 2 4 2 3 22
428 Stock Material or Miscellaneous Articles 3 0 3 0 2 0 1 0 2 2 2 2 3 1 1 0 22
053 Package Making 0 0 0 1 1 2 2 1 1 4 1 3 2 1 1 1 21
056 Harvesters 0 0 0 0 3 4 4 3 1 2 0 1 0 0 1 1 20
134 Cleaning and Liquid Contact with Solids 2 2 2 6 3 2 1 0 1 0 1 0 0 0 0 0 20
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 2 0 1 0 1 0 1 1 1 2 0 1 2 1 1 6 20
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 0 3 1 0 0 1 0 0 0 0 2 1 0 5 3 3 19
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 0 1 0 2 3 3 3 1 1 0 2 1 1 0 1 0 19
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 1 1 1 1 1 1 0 0 0 5 0 3 1 1 0 3 19
062 Refrigeration 1 6 4 2 1 1 0 1 1 0 0 0 0 1 0 0 18
315 Electric Lamp and Discharge Devices: Systems 0 0 2 0 0 0 0 0 0 3 2 2 3 4 2 0 18
326 Electronic Digital Logic Circuitry 1 0 1 1 1 3 1 2 0 1 0 2 1 0 4 0 18
343 Communications: Radio Wave Antennas 5 2 1 1 2 2 1 0 0 1 0 1 0 0 1 1 18
439 Electrical Connectors 1 0 0 2 0 1 1 1 0 0 2 1 5 1 2 1 18
708 Arithmetic Processing and Calculating (Electrical Computers) 1 0 2 2 3 1 1 0 1 0 2 0 2 1 0 2 18
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 0 0 1 0 3 0 2 0 1 1 2 2 4 0 2 0 18
174 Electricity: Conductors and Insulators 1 1 3 2 0 0 2 0 1 0 1 1 1 2 1 1 17
219 Electric Heating 4 4 2 2 2 1 0 0 0 1 0 0 0 0 0 1 17
341 Coded Data Generation or Conversion 0 1 1 0 0 0 1 0 7 4 2 0 0 1 0 0 17
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 1 4 3 3 1 1 0 0 0 0 1 0 0 0 2 1 17
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 0 1 0 1 1 0 0 1 0 1 2 3 1 1 2 3 17
119 Animal Husbandry 0 1 0 4 1 1 1 2 1 1 0 0 2 1 1 0 16
206 Special Receptacle or Package 0 0 0 2 1 0 2 0 2 0 1 2 1 3 1 1 16
381 Electrical Audio Signal Processing Systems and Devices 1 0 0 0 1 0 0 0 1 2 0 1 3 2 3 2 16
706 DP: Artificial Intelligence (Data Processing) 1 0 1 1 0 0 0 1 1 2 4 1 1 0 2 1 16
252 Compositions 1 0 0 0 1 1 0 0 1 1 1 0 3 4 1 1 15
482 Exercise Devices 0 0 1 0 0 0 0 1 0 1 3 4 3 1 1 0 15
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 1 1 2 1 0 1 1 1 0 1 0 3 0 0 3 15
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 0 0 0 4 1 1 3 4 1 0 0 0 0 0 0 14
313 Electric Lamp and Discharge Devices 0 0 0 1 0 1 0 1 1 1 1 0 2 5 1 0 14
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 1 0 0 0 0 0 1 0 0 2 5 1 2 0 0 2 14
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 2 3 0 0 1 0 1 0 1 1 0 2 1 0 0 1 13
353 Optics: Image Projectors 0 2 1 1 1 1 0 1 0 0 1 0 1 4 0 0 13
052 Static Structures (e.g., Buildings) 1 0 0 0 2 3 2 0 1 0 1 0 2 0 0 0 12
320 Electricity: Battery or Capacitor Charging or Discharging 1 1 0 0 0 1 0 1 0 2 2 3 1 0 0 0 12
331 Oscillators 1 1 3 2 1 1 1 1 0 1 0 0 0 0 0 0 12
504 Plant Protecting and Regulating Compositions 0 1 1 0 0 0 0 0 0 2 0 0 1 1 5 1 12
210 Liquid Purification or Separation 1 1 0 0 3 1 1 0 0 2 1 0 0 1 0 0 11
423 Chemistry of Inorganic Compounds 0 1 0 0 2 0 0 0 0 2 2 1 2 1 0 0 11
114 Ships 0 1 0 0 1 0 0 0 0 0 0 2 4 1 1 0 10
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 1 2 1 2 0 0 1 0 0 1 1 0 0 1 0 0 10
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 0 1 3 0 0 0 0 0 2 1 2 1 0 0 0 10
452 Butchering 0 0 0 0 0 0 0 0 0 0 2 3 1 2 2 0 10
725 Interactive Video Distribution Systems 0 0 0 0 0 0 0 1 0 0 1 0 1 1 2 4 10
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 3 4 0 0 1 0 1 0 0 0 0 0 0 0 0 0 9
060 Power Plants 0 1 2 0 0 0 0 0 0 0 0 0 1 0 2 3 9
136 Batteries: Thermoelectric and Photoelectric 0 0 0 0 0 0 0 0 0 0 0 1 2 1 2 3 9
222 Dispensing (apparatus and process) 1 0 0 0 1 1 1 2 1 0 2 0 0 0 0 0 9
310 Electrical Generator or Motor Structure 2 4 0 1 0 0 0 0 0 0 0 0 0 0 1 1 9
123 Internal-Combustion Engines 0 0 0 0 1 0 0 0 0 0 1 3 0 1 1 1 8
380 Cryptography 0 0 0 1 1 1 1 0 0 0 2 1 0 0 1 0 8
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 0 5 0 1 0 0 0 0 1 1 0 0 0 0 0 0 8
363 Electric Power Conversion Systems 1 0 1 0 0 0 0 0 0 0 0 0 0 0 3 2 7
399 Electrophotography 0 0 0 0 1 1 2 1 0 1 0 0 0 0 0 1 7
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 0 1 0 1 1 0 0 0 0 0 2 1 0 0 1 0 7
005 Beds 2 0 0 0 0 0 1 0 0 1 0 1 0 0 0 1 6
095 Gas Separation: Processes 0 1 0 1 0 0 0 0 0 0 2 0 0 1 0 1 6
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 4 6
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 0 3 0 1 0 0 0 0 0 0 0 0 0 2 0 0 6
296 Land Vehicles: Bodies and Tops 0 0 1 0 0 0 0 0 0 1 2 1 0 1 0 0 6
297 Chairs and Seats 1 0 0 1 0 0 2 1 0 0 0 0 0 0 0 1 6
307 Electrical Transmission or Interconnection Systems 1 0 0 0 0 0 0 1 0 0 1 0 1 0 0 2 6
374 Thermal Measuring and Testing 0 0 0 0 0 0 0 0 1 1 1 1 0 0 0 2 6
405 Hydraulic and Earth Engineering 0 2 0 0 0 1 0 1 0 0 1 0 0 0 0 1 6
585 Chemistry of Hydrocarbon Compounds 1 1 0 0 1 0 0 0 0 0 0 0 1 1 0 1 6
033 Geometrical Instruments 0 0 1 1 1 0 0 2 0 0 0 0 0 0 0 0 5
068 Textiles: Fluid Treating Apparatus 3 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 5
118 Coating Apparatus 0 0 1 0 1 0 0 0 0 0 1 0 0 0 2 0 5
124 Mechanical Guns and Projectors 0 0 0 0 2 1 0 1 0 0 0 1 0 0 0 0 5
137 Fluid Handling 0 1 0 0 1 0 0 0 0 0 0 0 1 0 1 1 5
200 Electricity: Circuit Makers and Breakers 1 0 0 0 0 0 0 1 0 0 0 0 0 1 1 1 5
211 Supports: Racks 1 0 0 0 1 1 0 0 0 0 0 1 0 0 1 0 5
244 Aeronautics and Astronautics 0 1 1 0 0 1 0 0 0 0 0 1 0 0 0 1 5
318 Electricity: Motive Power Systems 0 0 0 0 0 0 0 0 1 0 1 1 0 0 1 1 5
332 Modulators 0 1 0 1 1 0 1 0 0 0 0 0 0 0 0 1 5
349 Liquid Crystal Cells, Elements and Systems 0 0 0 0 1 1 1 1 0 1 0 0 0 0 0 0 5
351 Optics: Eye Examining, Vision Testing and Correcting 1 0 0 0 0 0 0 0 0 0 0 0 1 1 2 0 5
376 Induced Nuclear Reactions: Processes, Systems, and Elements 0 0 0 0 0 0 1 1 0 1 1 0 1 0 0 0 5
398 Optical Communications 0 0 0 1 0 0 0 0 1 2 0 1 0 0 0 0 5
414 Material or Article Handling 1 2 0 1 0 0 0 0 0 0 0 1 0 0 0 0 5
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 0 0 0 0 0 0 0 0 1 0 0 0 0 1 0 3 5
454 Ventilation 0 0 0 1 0 0 0 0 1 1 0 0 0 1 1 0 5
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 0 0 0 0 0 1 0 0 1 0 1 0 0 0 1 0 4
043 Fishing, Trapping, and Vermin Destroying 0 1 0 0 2 0 0 0 0 0 1 0 0 0 0 0 4
047 Plant Husbandry 0 0 1 0 0 0 0 0 0 0 0 1 1 0 1 0 4
055 Gas Separation 0 0 1 0 0 0 0 0 0 0 1 0 0 1 1 0 4
084 Music 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 3 4
089 Ordnance 1 1 0 0 0 0 0 0 0 0 0 0 2 0 0 0 4
192 Clutches and Power-Stop Control 0 0 0 1 0 0 0 0 0 0 0 2 0 0 0 1 4
248 Supports (e.g., for holding articles, etc.) 0 0 1 2 0 0 0 0 0 0 0 1 0 0 0 0 4
266 Metallurgical Apparatus 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 1 4
273 Amusement Devices: Games 0 1 0 0 0 0 1 0 0 0 0 1 1 0 0 0 4
290 Prime-Mover Dynamo Plants 0 0 0 0 0 0 1 0 0 0 0 0 2 1 0 0 4
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 1 0 1 0 0 0 2 0 0 0 0 0 0 0 0 0 4
400 Typewriting Machines 0 0 1 0 1 0 0 0 0 1 0 1 0 0 0 0 4
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 0 0 0 0 1 0 0 0 0 0 0 0 1 0 1 1 4
434 Education and Demonstration 0 0 0 1 0 0 0 0 0 0 0 0 1 0 1 1 4
446 Amusement Devices: Toys 2 1 0 0 0 0 1 0 0 0 0 0 0 0 0 0 4
463 Amusement Devices: Games 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 4
002 Apparel 0 1 0 0 1 0 0 0 0 0 1 0 0 0 0 0 3
015 Brushing, Scrubbing, and General Cleaning 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 3
034 Drying and Gas or Vapor Contact with Solids 0 0 0 0 1 2 0 0 0 0 0 0 0 0 0 0 3
072 Metal Deforming 0 0 1 0 0 0 1 0 0 0 0 0 0 1 0 0 3
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 0 1 0 0 0 0 0 0 0 0 0 0 0 0 2 0 3
106 Compositions: Coating or Plastic 1 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 3
131 Tobacco 0 0 0 0 0 1 0 0 0 0 0 0 0 1 1 0 3
139 Textiles: Weaving 2 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 3
162 Paper Making and Fiber Liberation 0 0 0 0 0 0 0 0 0 0 0 1 2 0 0 0 3
180 Motor Vehicles 0 0 0 0 1 0 0 0 0 1 1 0 0 0 0 0 3
209 Classifying, Separating, and Assorting Solids 0 1 1 0 0 0 0 0 0 0 0 0 0 1 0 0 3
312 Supports: Cabinet Structure 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 1 3
367 Communications, Electrical: Acoustic Wave Systems and Devices 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 3
383 Flexible Bags 1 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 3
396 Photography 0 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 3
401 Coating Implements with Material Supply 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 3
409 Gear Cutting, Milling, or Planing 0 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 3
416 Fluid Reaction Surfaces (i.e., Impellers) 0 0 0 0 0 0 0 0 0 0 1 0 1 1 0 0 3
417 Pumps 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 1 3
426 Food or Edible Material: Processes, Compositions, and Products 0 0 1 0 0 0 0 0 0 0 1 0 1 0 0 0 3
431 Combustion 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 3
451 Abrading 0 0 0 0 1 1 0 1 0 0 0 0 0 0 0 0 3
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 0 0 1 0 0 0 0 0 0 0 0 1 1 0 0 0 3
024 Buckles, Buttons, Clasps, Etc. 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 2
036 Boots, Shoes, and Leggings 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2
037 Excavating 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 2
096 Gas Separation: Apparatus 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 2
101 Printing 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 2
108 Horizontally Supported Planar Surfaces 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 2
172 Earth Working 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 2
182 Fire Escape, Ladder, or Scaffold 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 2
193 Conveyors, Chutes, Skids, Guides, and Ways 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 2
208 Mineral Oils: Processes and Products 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 2
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 2
220 Receptacles 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1 0 2
224 Package and Article Carriers 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 2
242 Winding, Tensioning, or Guiding 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 2
254 Implements or Apparatus for Applying Pushing or Pulling Force 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 2
269 Work Holders 0 0 0 0 0 0 0 1 0 0 0 0 1 0 0 0 2
294 Handling: Hand and Hoist-Line Implements 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 2
333 Wave Transmission Lines and Networks 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 2
347 Incremental Printing of Symbolic Information 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 2
358 Facsimile and Static Presentation Processing 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 2
360 Dynamic Magnetic Information Storage or Retrieval 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 2
403 Joints and Connections 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 2
473 Games Using Tangible Projectile 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 2
474 Endless Belt Power Transmission Systems or Components 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 2
601 Surgery: Kinesitherapy 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 0 2
602 Surgery: Splint, Brace, or Bandage 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 2
040 Card, Picture, or Sign Exhibiting 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
048 Gas: Heating and Illuminating 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
049 Movable or Removable Closures 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
054 Harness for Working Animal 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
057 Textiles: Spinning, Twisting, and Twining 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1
063 Jewelry 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1
065 Glass Manufacturing 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
070 Locks 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
071 Chemistry: Fertilizers 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
081 Tools 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
083 Cutting 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
099 Foods and Beverages: Apparatus 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
100 Presses 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
102 Ammunition and Explosives 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
104 Railways 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
105 Railway Rolling Stock 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
110 Furnaces 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1
112 Sewing 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
116 Signals and Indicators 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
126 Stoves and Furnaces 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
135 Tent, Canopy, Umbrella, or Cane 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
138 Pipes and Tubular Conduits 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
148 Metal Treatment 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
152 Resilient Tires and Wheels 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
159 Concentrating Evaporators 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
164 Metal Founding 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
169 Fire Extinguishers 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
177 Weighing Scales 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
198 Conveyors: Power-Driven 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
215 Bottles and Jars 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
216 Etching a Substrate: Processes 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
228 Metal Fusion Bonding 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
238 Railways: Surface Track 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
239 Fluid Sprinkling, Spraying, and Diffusing 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1
256 Fences 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
271 Sheet Feeding or Delivering 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1
292 Closure Fasteners 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1
298 Land Vehicles: Dumping 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
305 Wheel Substitutes for Land Vehicles 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
336 Inductor Devices 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
338 Electrical Resistors 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
366 Agitating (e.g., of articles and materials) 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
369 Dynamic Information Storage or Retrieval 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
386 Motion Video Signal Processing for Recording or Reproducing 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
392 Electric Resistance Heating Devices 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
415 Rotary Kinetic Fluid Motors or Pumps 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
433 Dentistry 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1
441 Buoys, Rafts, and Aquatic Devices 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
450 Foundation Garments 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
476 Friction Gear Transmission Systems or Components 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
483 Tool Changing 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
501 Compositions: Ceramic 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
720 Dynamic Optical Information Storage or Retrieval 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 1
ALL ALL CLASSES 325 364 328 369 312 295 412 320 345 396 496 522 571 562 637 607 6861


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