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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

ALL NON-METRO/MICROPOLITAN AREAS

( Non Metro/Micropolitan 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
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 36 20 11 7 44 39 46 66 53 47 78 47 100 96 96 84 870
280 Land Vehicles 32 47 38 23 30 29 29 28 39 23 32 39 31 40 31 38 525
052 Static Structures (e.g., Buildings) 17 35 21 25 15 13 12 8 11 10 22 31 32 44 57 50 400
414 Material or Article Handling 29 26 27 21 24 12 15 13 17 17 15 19 14 14 15 36 313
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 15 18 35 22 10 16 17 9 8 7 21 10 21 21 35 27 289
119 Animal Husbandry 22 18 24 14 16 18 22 23 14 9 16 18 14 17 25 14 283
180 Motor Vehicles 8 13 14 12 11 25 25 9 12 22 30 19 19 19 22 17 277
296 Land Vehicles: Bodies and Tops 14 19 20 18 27 19 27 17 13 14 16 10 16 20 10 5 261
029 Metal Working 20 12 14 21 14 20 19 14 12 13 12 21 16 17 15 22 259
123 Internal-Combustion Engines 17 18 17 22 10 17 24 28 18 14 11 10 6 10 11 9 241
248 Supports (e.g., for holding articles, etc.) 19 15 16 29 8 3 11 9 9 13 18 15 12 11 20 23 229
210 Liquid Purification or Separation 15 19 12 23 17 15 9 16 7 15 18 9 13 11 14 14 224
340 Communications: Electrical 10 14 17 7 17 13 13 10 16 12 12 7 17 18 12 24 215
005 Beds 13 12 12 11 15 11 13 11 14 13 8 15 14 16 17 17 211
060 Power Plants 10 8 9 11 12 13 24 17 15 12 10 9 11 14 20 18 210
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 17 7 11 12 12 11 15 8 16 15 19 12 13 11 16 12 205
128 Surgery (includes Class 600) 7 10 11 17 8 9 9 7 10 10 15 11 15 24 19 17 197
043 Fishing, Trapping, and Vermin Destroying 14 14 13 17 9 5 10 13 13 12 14 9 12 13 15 12 194
428 Stock Material or Miscellaneous Articles 17 16 14 13 14 12 13 6 3 10 14 13 12 15 11 10 191
473 Games Using Tangible Projectile 10 21 12 12 12 10 10 14 5 11 11 13 12 17 10 13 189
073 Measuring and Testing 14 7 9 17 15 8 9 14 9 9 8 8 9 13 17 12 176
137 Fluid Handling 13 22 8 4 17 14 10 9 13 6 9 7 12 8 6 17 175
455 Telecommunications 5 1 6 7 12 7 12 7 5 19 10 12 20 16 17 15 170
362 Illumination 10 16 11 9 8 10 14 10 4 9 11 10 8 13 14 14 169
198 Conveyors: Power-Driven 11 9 9 7 7 7 10 8 11 10 6 10 10 14 19 16 164
042 Firearms 8 10 6 14 13 4 11 4 5 3 4 10 10 20 22 18 162
219 Electric Heating 17 11 6 12 13 9 14 7 6 7 5 6 10 19 11 9 160
002 Apparel 22 10 18 9 14 9 11 5 5 2 5 11 10 8 9 12 159
604 Surgery (Medicators and Receptors) 6 11 9 17 9 6 4 8 4 7 9 13 12 18 17 7 156
015 Brushing, Scrubbing, and General Cleaning 6 8 10 9 8 3 1 11 7 6 18 6 12 18 17 13 153
062 Refrigeration 13 15 14 15 11 7 13 7 3 5 10 7 8 5 6 10 148
439 Electrical Connectors 13 7 13 5 8 14 13 12 10 7 12 7 4 7 6 7 144
033 Geometrical Instruments 7 6 8 12 10 11 5 14 11 9 7 7 7 5 12 12 142
114 Ships 15 9 6 6 13 10 16 10 11 10 5 10 5 8 6 4 142
482 Exercise Devices 9 10 13 10 6 6 11 7 5 11 16 8 6 8 6 10 142
056 Harvesters 8 13 6 7 11 11 10 2 6 11 10 10 13 7 8 3 135
124 Mechanical Guns and Projectors 9 10 7 10 6 8 7 5 5 2 3 9 5 19 19 10 133
174 Electricity: Conductors and Insulators 8 5 9 14 11 12 11 10 5 12 10 5 5 6 8 3 133
239 Fluid Sprinkling, Spraying, and Diffusing 16 7 8 1 14 10 7 5 3 2 12 10 8 10 11 9 133
297 Chairs and Seats 12 7 10 9 2 7 11 5 6 7 11 8 8 7 7 14 130
175 Boring or Penetrating the Earth 4 9 10 14 7 11 10 11 10 6 8 5 10 6 2 7 129
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 17 5 13 14 11 4 8 2 3 3 7 15 10 6 4 7 127
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 5 6 6 3 3 10 10 3 4 6 4 5 12 20 15 15 126
324 Electricity: Measuring and Testing 2 9 15 12 7 8 10 3 5 4 8 11 9 4 9 8 122
405 Hydraulic and Earth Engineering 6 9 10 11 10 8 8 6 10 8 5 5 6 9 9 4 121
172 Earth Working 13 5 8 5 10 5 6 2 6 7 9 3 11 8 9 5 112
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 4 5 4 3 0 4 6 3 7 5 13 7 11 16 15 6 109
182 Fire Escape, Ladder, or Scaffold 16 11 9 7 6 9 5 8 0 2 4 6 2 6 10 11 108
417 Pumps 14 12 6 7 8 3 5 8 3 3 3 6 8 6 8 6 106
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 5 6 9 8 6 3 4 3 4 8 9 10 11 6 7 7 105
037 Excavating 14 7 11 5 6 5 3 4 3 11 8 9 1 6 5 7 104
241 Solid Material Comminution or Disintegration 9 7 7 1 7 5 2 4 5 9 10 10 5 8 6 8 102
707 DP: Database and File Management or Data Structures (Data Processing) 0 1 6 2 3 2 6 6 4 5 7 10 8 13 11 18 101
410 Freight Accommodation On Freight Carrier 9 4 9 10 6 9 6 6 8 7 3 4 5 6 3 5 100
370 Multiplex Communications 2 1 2 1 2 2 5 3 7 8 10 12 14 7 9 12 97
084 Music 6 7 8 5 5 5 2 8 4 6 9 9 5 6 6 7 97
224 Package and Article Carriers 12 10 6 8 7 3 6 2 4 0 5 5 3 5 14 8 97
250 Radiant Energy 2 2 3 6 9 3 7 6 6 9 8 6 11 8 6 5 97
532 Organic Compounds (includes Classes 532-570) 4 3 10 6 2 3 6 6 7 9 9 8 8 4 7 5 97
220 Receptacles 8 3 8 4 7 5 2 6 3 2 3 13 8 11 6 11 96
426 Food or Edible Material: Processes, Compositions, and Products 12 11 8 8 8 3 6 5 2 2 5 2 6 5 6 8 96
081 Tools 11 3 5 9 7 7 6 7 6 6 5 5 1 4 6 7 94
111 Planting 5 9 6 3 7 4 5 4 6 4 7 10 6 5 6 7 94
206 Special Receptacle or Package 5 14 9 5 7 4 5 4 3 4 5 1 5 9 5 9 94
285 Pipe Joints or Couplings 8 8 6 8 6 5 6 1 7 2 6 7 5 4 8 9 93
254 Implements or Apparatus for Applying Pushing or Pulling Force 8 5 3 6 6 3 9 7 5 2 9 7 3 4 7 10 93
361 Electricity: Electrical Systems and Devices 3 8 8 6 6 2 4 3 7 6 5 2 9 8 10 8 93
227 Elongated-Member-Driving Apparatus 2 0 1 0 2 2 14 5 6 4 6 4 6 11 20 7 90
292 Closure Fasteners 7 5 7 3 7 4 7 8 6 8 3 6 7 2 6 3 88
602 Surgery: Splint, Brace, or Bandage 2 3 4 6 5 5 9 4 4 5 5 6 10 8 6 5 87
700 DP: Generic Control Systems or Specific Applications (Data Processing) 5 4 3 4 7 12 10 4 4 3 3 5 4 8 5 7 87
074 Machine Element or Mechanism 6 5 7 6 5 5 3 3 3 2 7 3 6 7 5 13 85
702 DP: Measuring, Calibrating, or Testing (Data Processing) 4 3 2 7 11 9 10 4 9 2 1 5 3 7 6 3 85
404 Road Structure, Process, or Apparatus 8 4 1 2 3 5 9 7 5 5 11 6 5 4 8 5 85
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 2 1 3 4 6 3 4 0 4 6 5 6 9 4 12 16 84
606 Surgery (instruments) 7 6 6 1 1 1 1 0 4 1 2 6 4 13 19 14 84
102 Ammunition and Explosives 5 9 9 10 3 0 3 4 6 4 3 7 8 3 2 10 83
261 Gas and Liquid Contact Apparatus 5 5 11 11 10 2 6 11 4 3 3 2 3 4 1 4 83
222 Dispensing (apparatus and process) 8 7 4 2 3 6 3 2 1 1 5 3 9 12 8 9 82
294 Handling: Hand and Hoist-Line Implements 10 8 9 3 4 4 2 6 4 1 3 4 7 5 4 6 79
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 2 4 5 8 5 5 1 2 2 2 3 3 5 10 12 11 78
273 Amusement Devices: Games 4 5 6 5 7 7 6 5 3 6 3 4 5 6 5 2 78
083 Cutting 6 7 6 7 10 5 8 3 1 3 3 2 2 4 4 7 78
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 9 7 4 12 9 1 6 2 4 4 1 1 4 7 5 3 78
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 5 9 1 4 4 7 2 4 4 3 6 7 4 9 5 6 77
242 Winding, Tensioning, or Guiding 7 8 11 9 3 3 2 8 4 6 5 3 1 4 1 3 77
299 Mining or In Situ Disintegration of Hard Material 2 12 4 2 5 3 2 3 1 4 2 3 3 9 12 7 74
385 Optical Waveguides 3 7 4 5 3 4 2 5 8 9 5 2 2 5 3 8 74
004 Baths, Closets, Sinks, and Spittoons 4 9 6 7 9 5 0 3 3 1 4 8 3 1 6 6 74
435 Chemistry: Molecular Biology and Microbiology 0 5 3 8 9 4 5 3 3 2 8 1 8 5 5 6 73
162 Paper Making and Fiber Liberation 5 6 6 6 2 2 0 2 3 4 9 3 5 10 7 1 71
134 Cleaning and Liquid Contact with Solids 5 7 8 5 6 2 7 4 4 1 1 4 4 7 5 3 71
351 Optics: Eye Examining, Vision Testing and Correcting 4 2 2 2 3 3 6 8 7 4 5 6 5 10 3 2 71
451 Abrading 8 11 7 4 3 1 10 1 3 4 2 4 4 2 2 5 70
244 Aeronautics and Astronautics 0 2 7 3 5 1 9 6 3 2 3 5 8 6 5 6 68
415 Rotary Kinetic Fluid Motors or Pumps 5 3 9 4 1 6 5 4 1 0 3 6 5 8 3 6 68
126 Stoves and Furnaces 7 6 4 4 4 4 4 1 0 2 3 9 2 6 3 9 67
312 Supports: Cabinet Structure 6 4 4 4 3 5 5 4 4 2 3 3 4 7 4 6 67
099 Foods and Beverages: Apparatus 8 9 6 2 3 0 3 1 6 3 5 3 8 3 4 3 66
089 Ordnance 5 3 2 3 1 1 1 3 4 2 1 4 13 9 8 7 65
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 5 7 5 7 2 6 6 4 1 4 2 4 3 4 2 5 64
290 Prime-Mover Dynamo Plants 0 1 3 0 0 0 4 4 6 0 8 5 12 9 10 3 64
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 2 2 2 6 3 3 4 4 5 2 5 4 5 8 8 2 64
030 Cutlery 9 8 4 7 4 3 3 6 0 0 2 4 3 2 5 3 63
036 Boots, Shoes, and Leggings 4 7 2 4 3 0 4 5 2 5 7 1 10 2 4 3 63
423 Chemistry of Inorganic Compounds 1 11 2 0 3 3 5 3 2 2 8 5 3 3 4 8 62
034 Drying and Gas or Vapor Contact with Solids 12 6 6 1 3 2 1 1 3 1 1 4 8 5 6 1 61
049 Movable or Removable Closures 4 5 3 5 3 2 1 1 2 4 3 2 4 3 8 10 60
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 5 7 4 4 6 2 2 0 4 3 5 4 4 6 2 3 59
382 Image Analysis 3 2 2 5 6 2 3 5 2 0 5 3 12 4 5 2 59
211 Supports: Racks 4 7 2 5 4 2 4 4 1 4 4 5 5 3 5 2 58
359 Optical: Systems and Elements 6 6 3 5 6 3 2 4 2 2 4 1 1 7 4 2 57
310 Electrical Generator or Motor Structure 9 3 0 1 4 2 5 0 3 2 5 4 5 5 4 4 56
160 Flexible or Portable Closure, Partition, or Panel 2 2 0 4 4 9 3 2 1 4 7 2 3 6 3 3 55
440 Marine Propulsion 6 4 6 9 6 5 3 2 1 1 1 4 2 3 3 3 55
144 Woodworking 8 5 4 8 2 2 7 2 3 2 0 3 3 2 1 3 54
165 Heat Exchange 6 6 3 9 3 6 2 2 0 2 1 1 3 1 4 5 54
366 Agitating (e.g., of articles and materials) 3 2 2 10 4 6 2 2 2 2 1 3 4 4 2 5 54
438 Semiconductor Device Manufacturing: Process 1 4 4 8 5 7 3 1 2 0 3 3 1 2 6 4 54
053 Package Making 8 4 2 4 2 5 2 7 1 6 3 2 2 1 3 2 53
446 Amusement Devices: Toys 8 4 3 2 3 4 2 1 2 4 3 7 1 3 1 5 53
047 Plant Husbandry 7 3 6 2 0 3 2 1 0 2 2 4 2 4 7 8 52
474 Endless Belt Power Transmission Systems or Components 3 3 3 2 2 7 6 1 3 6 4 4 0 1 1 6 52
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 0 0 1 2 2 1 2 2 4 4 4 5 4 6 5 10 52
726 Information Security 0 1 0 0 0 0 0 1 1 2 2 8 8 7 8 14 52
108 Horizontally Supported Planar Surfaces 6 6 6 5 4 4 3 1 0 2 3 2 3 1 5 2 51
348 Television 0 1 3 2 0 0 5 2 0 4 1 1 8 5 7 13 51
475 Planetary Gear Transmission Systems or Components 5 1 1 1 5 2 5 5 3 3 2 4 6 3 4 1 51
024 Buckles, Buttons, Clasps, Etc. 3 2 7 7 3 0 3 0 5 5 1 4 1 2 3 5 51
356 Optics: Measuring and Testing 3 0 3 1 3 4 3 2 6 8 5 3 0 7 3 1 51
403 Joints and Connections 6 8 4 5 3 5 2 1 0 1 3 3 4 0 1 5 50
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 5 4 7 4 6 2 4 0 1 2 5 0 3 2 4 2 50
055 Gas Separation 2 2 0 2 4 1 1 0 4 4 3 9 10 1 3 3 49
427 Coating Processes 3 6 4 4 2 0 2 4 1 4 3 6 1 2 3 5 49
065 Glass Manufacturing 2 1 1 2 7 2 4 2 2 2 3 5 4 3 4 5 49
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 5 4 5 4 2 2 5 1 4 2 2 4 0 2 4 3 49
106 Compositions: Coating or Plastic 7 3 1 4 3 0 2 2 3 3 5 1 1 5 6 3 48
375 Pulse or Digital Communications 0 3 1 6 2 5 5 1 2 5 2 3 1 3 7 3 48
607 Surgery: Light, Thermal, and Electrical Application 2 9 2 2 0 2 5 3 1 2 2 1 3 5 7 2 48
209 Classifying, Separating, and Assorting Solids 7 4 3 1 1 2 1 3 1 2 1 4 4 5 5 3 47
040 Card, Picture, or Sign Exhibiting 5 1 1 1 2 4 2 3 1 2 2 5 5 4 5 3 46
251 Valves and Valve Actuation 3 3 4 2 2 3 4 2 4 3 2 2 2 4 3 4 46
452 Butchering 5 5 2 0 1 0 1 5 3 2 3 7 3 3 4 3 46
454 Ventilation 4 4 4 2 8 2 4 2 3 1 2 0 1 3 3 3 46
070 Locks 3 4 4 8 2 5 3 4 3 1 0 0 2 0 6 0 45
072 Metal Deforming 4 7 3 5 2 5 4 3 1 0 3 1 1 3 1 2 45
463 Amusement Devices: Games 2 4 2 4 2 1 1 0 1 3 1 3 6 4 9 2 45
027 Undertaking 5 4 1 4 4 3 0 3 6 2 1 2 2 1 3 4 45
347 Incremental Printing of Symbolic Information 0 1 0 4 5 5 1 3 3 2 1 1 4 6 5 3 44
138 Pipes and Tubular Conduits 5 4 5 1 3 3 4 1 0 2 2 2 1 4 3 5 44
345 Computer Graphics Processing and Selective Visual Display Systems 5 7 3 3 3 3 1 1 0 3 2 2 3 3 2 3 43
318 Electricity: Motive Power Systems 7 3 2 1 2 2 0 0 0 2 4 2 3 6 4 4 42
434 Education and Demonstration 5 2 0 3 2 3 1 1 1 2 1 1 3 6 7 5 42
269 Work Holders 0 5 3 1 6 2 3 1 0 0 1 5 4 4 2 4 41
256 Fences 2 3 5 4 2 5 4 2 1 3 0 0 1 3 2 2 38
714 Error Detection/Correction and Fault Detection/Recovery 0 1 1 1 2 1 1 4 1 3 3 2 3 1 6 7 37
188 Brakes 4 7 3 3 0 4 2 4 0 0 2 3 1 3 0 1 37
307 Electrical Transmission or Interconnection Systems 2 3 2 1 3 1 2 1 2 0 3 3 3 2 4 5 36
343 Communications: Radio Wave Antennas 0 4 3 2 1 4 0 0 2 4 3 1 6 2 2 2 36
095 Gas Separation: Processes 2 3 1 0 2 0 3 1 3 1 2 4 1 7 5 1 36
164 Metal Founding 2 0 8 5 3 3 1 2 1 3 4 0 1 1 1 0 35
381 Electrical Audio Signal Processing Systems and Devices 2 0 1 1 1 2 2 1 1 2 0 5 5 2 5 5 35
100 Presses 3 3 2 5 4 0 2 0 6 1 2 0 2 0 2 2 34
433 Dentistry 5 3 0 2 1 0 1 1 3 1 3 1 4 3 5 1 34
092 Expansible Chamber Devices 4 3 0 2 4 2 3 2 1 0 2 3 1 4 2 0 33
135 Tent, Canopy, Umbrella, or Cane 2 2 2 3 2 3 0 1 0 2 2 2 2 4 2 5 33
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 1 1 5 1 2 1 3 1 0 0 2 0 3 3 5 6 33
436 Chemistry: Analytical and Immunological Testing 3 3 1 0 1 0 1 1 0 2 6 6 6 3 0 0 33
441 Buoys, Rafts, and Aquatic Devices 3 3 2 5 0 1 0 2 3 2 1 1 2 3 1 5 33
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 1 0 0 0 1 1 1 4 5 1 3 2 2 2 4 7 33
200 Electricity: Circuit Makers and Breakers 2 1 2 2 4 4 0 4 2 3 1 1 2 1 0 3 32
713 Support (Electrical Computers and Digital Processing Systems) 0 0 0 1 0 0 3 1 2 5 5 5 3 2 2 3 32
277 Seal for a Joint or Juncture 3 8 3 3 3 1 4 1 0 0 2 1 2 1 0 0 31
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 1 4 2 1 1 1 1 0 2 2 3 2 4 3 2 2 31
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 6 1 1 3 2 3 1 1 3 0 3 1 2 0 2 1 30
717 DP: Software Development, Installation, and Management (Data Processing) 0 0 0 0 0 1 3 1 2 0 2 1 4 2 7 7 30
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 8 1 2 0 0 2 0 2 2 0 0 0 1 9 5 30
181 Acoustics 3 0 0 2 2 1 1 3 0 1 0 4 1 2 5 4 29
221 Article Dispensing 1 5 3 5 4 2 1 1 1 0 2 1 2 0 1 1 29
298 Land Vehicles: Dumping 4 1 2 4 1 4 1 1 1 0 2 3 2 0 2 1 29
706 DP: Artificial Intelligence (Data Processing) 1 0 0 0 0 0 1 1 1 1 2 4 1 4 6 6 28
711 Memory (Electrical Computers and Digital Processing Systems) 2 2 0 0 2 0 1 4 2 1 2 0 5 2 0 5 28
110 Furnaces 1 2 4 2 3 3 1 1 1 0 3 2 2 0 1 1 27
054 Harness for Working Animal 1 2 0 6 4 1 4 3 1 0 3 1 0 1 0 1 26
096 Gas Separation: Apparatus 1 1 2 2 0 2 1 1 1 3 1 3 3 0 4 1 26
116 Signals and Indicators 3 1 2 0 0 0 2 1 3 3 1 0 1 1 2 6 26
215 Bottles and Jars 1 1 1 1 1 3 6 0 1 2 1 3 1 1 2 1 26
379 Telephonic Communications 5 1 1 1 2 1 3 1 2 2 1 0 0 3 2 1 26
401 Coating Implements with Material Supply 1 4 2 2 4 0 0 2 2 1 0 0 2 1 5 1 26
228 Metal Fusion Bonding 0 3 2 2 0 2 0 2 1 0 3 1 4 2 2 2 26
192 Clutches and Power-Stop Control 0 0 2 1 0 7 1 2 2 0 1 2 1 1 2 3 25
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 1 5 3 2 5 1 2 1 0 0 1 1 0 3 0 0 25
303 Fluid-Pressure and Analogous Brake Systems 3 1 6 0 1 0 4 4 1 0 1 2 0 0 0 1 24
725 Interactive Video Distribution Systems 2 0 0 1 0 0 0 0 0 1 1 3 3 3 6 4 24
177 Weighing Scales 0 2 0 3 3 2 2 4 3 0 1 1 0 0 3 0 24
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 2 3 3 1 3 0 4 1 0 1 4 1 1 0 0 0 24
044 Fuel and Related Compositions 3 1 1 4 2 1 0 0 0 0 1 1 3 2 3 2 23
305 Wheel Substitutes for Land Vehicles 0 2 3 3 0 2 0 5 2 0 3 1 1 0 1 0 23
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 3 0 1 2 4 2 2 1 1 2 1 3 0 1 0 0 23
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 4 3 1 2 1 0 0 0 0 1 0 2 3 5 0 1 23
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 0 0 2 2 1 2 1 1 1 2 1 6 0 3 0 1 23
315 Electric Lamp and Discharge Devices: Systems 0 0 1 2 1 4 1 1 1 2 0 2 2 2 2 2 23
336 Inductor Devices 1 2 0 1 3 1 0 2 1 0 3 0 2 2 1 3 22
365 Static Information Storage and Retrieval 3 3 1 0 1 0 1 0 1 0 3 1 2 0 3 3 22
416 Fluid Reaction Surfaces (i.e., Impellers) 4 0 6 1 1 1 2 0 0 2 0 0 2 2 1 1 22
360 Dynamic Magnetic Information Storage or Retrieval 3 1 0 1 4 0 1 0 1 1 1 1 0 0 6 2 22
383 Flexible Bags 3 0 2 2 1 2 3 1 1 1 2 1 1 1 1 0 22
408 Cutting by Use of Rotating Axially Moving Tool 0 2 1 1 2 2 6 0 2 1 0 2 0 1 1 1 22
252 Compositions 3 1 2 1 1 2 1 0 1 0 0 1 2 2 4 0 21
384 Bearings 0 2 2 1 0 2 1 0 1 0 0 1 1 2 3 5 21
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 0 1 0 2 1 1 1 0 0 1 4 4 3 0 2 1 21
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 1 1 4 1 4 2 0 1 0 2 0 1 1 0 2 1 21
104 Railways 0 1 3 0 2 1 0 3 1 1 1 0 2 1 4 1 21
301 Land Vehicles: Wheels and Axles 1 1 0 3 0 0 2 0 1 1 3 4 1 2 0 2 21
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 4 2 4 4 2 1 1 0 0 2 0 0 0 1 1 0 21
091 Motors: Expansible Chamber Type 0 3 1 2 2 3 2 0 0 2 1 0 2 1 0 1 20
122 Liquid Heaters and Vaporizers 2 1 2 6 1 0 1 1 0 0 1 1 0 1 2 1 20
320 Electricity: Battery or Capacitor Charging or Discharging 2 1 2 3 3 1 1 0 0 1 0 1 0 1 2 3 20
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 1 0 0 0 3 0 0 2 1 1 3 1 3 1 3 1 20
378 X-Ray or Gamma Ray Systems or Devices 2 2 1 0 2 2 2 2 0 0 1 1 2 2 0 1 20
409 Gear Cutting, Milling, or Planing 4 1 1 0 3 3 1 2 0 2 0 0 0 0 3 0 20
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 3 2 2 2 1 1 3 0 0 1 2 2 0 1 0 0 20
229 Envelopes, Wrappers, and Paperboard Boxes 4 2 1 0 2 2 1 1 0 0 2 0 2 2 0 1 20
601 Surgery: Kinesitherapy 2 0 1 1 1 0 0 2 2 1 0 1 1 2 1 5 20
148 Metal Treatment 1 3 2 3 1 1 0 0 2 0 2 0 1 3 0 0 19
232 Deposit and Collection Receptacles 2 1 1 3 1 1 2 2 1 2 1 1 1 0 0 0 19
267 Spring Devices 3 0 1 3 1 1 3 2 1 0 0 1 1 0 1 1 19
460 Crop Threshing or Separating 3 2 4 1 2 1 0 0 0 1 1 1 1 0 1 1 19
472 Amusement Devices 1 0 4 1 0 4 1 0 1 1 2 1 2 0 0 1 19
585 Chemistry of Hydrocarbon Compounds 7 1 2 2 0 2 0 1 0 1 1 1 1 0 0 0 19
118 Coating Apparatus 2 2 2 1 0 0 3 0 1 0 0 3 0 2 2 1 18
173 Tool Driving or Impacting 0 1 1 2 2 1 2 1 0 0 2 2 1 1 0 2 18
208 Mineral Oils: Processes and Products 3 0 1 0 0 0 2 2 4 0 0 0 2 1 0 3 18
399 Electrophotography 2 2 1 1 1 0 0 2 3 0 2 1 0 0 0 3 18
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 0 1 0 6 2 1 0 0 2 2 0 1 1 1 1 18
169 Fire Extinguishers 3 1 0 1 1 1 0 2 1 1 1 0 1 0 2 2 17
184 Lubrication 1 3 1 1 2 1 2 0 1 0 1 1 2 0 0 1 17
212 Traversing Hoists 1 1 1 0 0 0 2 0 2 3 1 2 0 0 3 2 17
270 Sheet-Material Associating 0 0 0 0 0 0 2 0 0 1 0 4 4 4 2 0 17
358 Facsimile and Static Presentation Processing 1 0 1 1 0 0 0 1 1 1 1 1 0 2 3 4 17
132 Toilet 2 1 3 1 2 0 1 2 0 0 0 0 0 0 2 3 17
014 Bridges 1 0 2 0 2 1 1 1 1 0 0 2 2 1 2 0 16
293 Vehicle Fenders 0 0 1 0 5 4 0 1 1 1 1 0 0 1 1 0 16
398 Optical Communications 0 0 3 2 1 0 0 1 1 0 3 2 2 0 1 0 16
418 Rotary Expansible Chamber Devices 5 0 0 0 0 1 0 1 0 0 1 0 2 1 2 3 16
323 Electricity: Power Supply or Regulation Systems 1 1 0 2 2 2 1 0 0 2 0 0 1 1 2 1 16
367 Communications, Electrical: Acoustic Wave Systems and Devices 2 1 4 0 2 4 0 1 0 0 2 0 0 2 1 1 16
431 Combustion 1 1 2 1 2 3 0 0 1 1 0 0 2 0 0 2 16
007 Compound Hand Tools 1 1 0 1 2 3 0 2 0 1 2 0 0 1 1 1 15
048 Gas: Heating and Illuminating 2 2 0 0 2 0 1 2 0 1 1 1 2 0 1 1 15
071 Chemistry: Fertilizers 1 0 2 0 2 1 0 1 0 1 0 2 0 1 0 4 15
152 Resilient Tires and Wheels 2 0 2 0 0 2 2 1 1 0 0 1 1 2 1 0 15
204 Chemistry: Electrical and Wave Energy 0 2 0 1 2 2 0 0 0 1 0 2 1 2 0 2 15
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 2 0 1 2 2 1 0 0 3 2 0 0 1 1 0 0 15
271 Sheet Feeding or Delivering 3 0 2 2 0 2 0 3 0 0 0 0 2 1 0 0 15
341 Coded Data Generation or Conversion 2 1 1 2 0 2 1 1 0 2 0 3 0 0 0 0 15
501 Compositions: Ceramic 0 1 0 1 0 0 0 0 0 2 2 1 2 2 3 1 15
101 Printing 1 1 3 1 1 0 0 1 1 1 1 2 0 1 2 1 15
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 1 3 0 1 2 1 1 1 1 0 0 0 1 1 1 0 14
193 Conveyors, Chutes, Skids, Guides, and Ways 1 2 1 0 1 0 1 0 0 2 0 1 0 0 3 2 14
223 Apparel Apparatus 4 1 0 0 2 0 1 1 0 1 1 0 1 0 0 1 13
266 Metallurgical Apparatus 1 0 0 0 0 1 1 0 0 2 0 4 2 2 0 0 13
353 Optics: Image Projectors 0 0 0 1 2 1 1 1 1 1 2 1 2 0 0 0 13
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 1 2 0 0 0 0 0 2 0 1 2 1 0 4 0 0 13
105 Railway Rolling Stock 1 2 0 1 0 1 1 0 1 0 2 0 2 2 0 0 13
392 Electric Resistance Heating Devices 1 2 0 0 0 1 2 0 0 0 1 0 1 2 1 2 13
136 Batteries: Thermoelectric and Photoelectric 0 1 0 0 0 0 0 1 0 0 1 1 2 1 1 4 12
150 Purses, Wallets, and Protective Covers 1 2 1 0 1 0 2 2 0 0 1 1 0 0 0 1 12
313 Electric Lamp and Discharge Devices 0 1 1 1 2 1 0 0 1 0 0 1 1 2 1 0 12
331 Oscillators 0 1 0 1 0 1 0 1 0 4 0 2 0 2 0 0 12
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 1 0 0 1 2 0 0 1 1 0 1 2 0 1 1 1 12
372 Coherent Light Generators 1 3 0 1 0 1 0 0 0 2 2 0 1 0 1 0 12
380 Cryptography 0 1 0 0 0 1 0 2 2 0 3 1 2 0 0 0 12
396 Photography 0 0 1 2 0 0 1 2 1 1 0 1 0 1 2 0 12
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 2 2 4 2 2 0 0 0 0 0 0 0 0 0 0 0 12
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 0 3 1 0 1 0 1 1 1 1 1 2 0 0 0 0 12
406 Conveyors: Fluid Current 0 0 2 0 1 1 1 1 0 1 1 1 0 1 1 1 12
066 Textiles: Knitting 2 4 1 0 0 0 2 1 0 0 1 0 0 0 1 0 11
086 Ammunition and Explosive-Charge Making 0 2 0 0 1 0 1 0 1 2 1 0 2 0 3 0 11
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 0 0 2 1 0 0 2 1 3 0 0 1 0 0 1 11
068 Textiles: Fluid Treating Apparatus 3 0 0 1 1 0 0 0 1 0 0 0 2 0 2 1 11
249 Static Molds 0 0 1 1 0 2 1 1 1 0 0 0 0 2 0 2 11
363 Electric Power Conversion Systems 2 3 2 1 0 0 0 0 0 0 1 1 0 1 0 0 11
059 Chain, Staple, and Horseshoe Making 2 0 0 0 1 2 1 2 0 0 0 1 0 0 1 0 10
082 Turning (e.g., for metal working) 3 0 0 2 1 0 1 0 0 1 0 1 0 0 0 1 10
112 Sewing 3 1 0 0 0 0 3 0 0 1 1 1 0 0 0 0 10
139 Textiles: Weaving 1 4 2 0 1 0 0 1 0 0 1 0 0 0 0 0 10
149 Explosive and Thermic Compositions or Charges 2 0 0 1 1 1 0 0 0 0 1 1 0 0 1 2 10
236 Automatic Temperature and Humidity Regulation 0 0 3 0 1 1 1 1 1 0 0 1 0 0 1 0 10
238 Railways: Surface Track 2 0 0 0 1 0 0 1 1 0 0 1 0 1 1 2 10
374 Thermal Measuring and Testing 0 1 1 0 1 0 0 0 1 0 1 0 1 1 2 1 10
157 Wheelwright Machines 0 2 1 0 0 0 0 1 0 0 0 1 0 0 3 1 9
279 Chucks or Sockets 0 0 1 0 1 1 1 0 0 1 0 1 1 1 0 1 9
283 Printed Matter 0 1 0 0 0 1 2 1 2 1 0 0 0 0 1 0 9
477 Interrelated Power Delivery Controls, Including Engine Control 0 0 0 1 0 0 0 0 1 1 1 0 1 1 1 1 8
019 Textiles: Fiber Preparation 2 0 3 0 0 0 1 0 0 0 1 0 0 0 0 0 7
028 Textiles: Manufacturing 1 1 1 0 0 0 1 0 1 0 1 1 0 0 0 0 7
131 Tobacco 1 1 0 0 1 2 0 0 1 0 0 0 0 0 0 1 7
171 Unearthing Plants or Buried Objects 1 1 1 0 0 0 1 1 0 1 0 0 0 0 0 1 7
246 Railway Switches and Signals 0 0 0 0 0 0 0 1 1 0 0 2 0 0 0 3 7
281 Books, Strips, and Leaves 1 3 0 1 0 0 1 0 0 0 1 0 0 0 0 0 7
368 Horology: Time Measuring Systems or Devices 0 1 1 3 0 0 0 0 1 0 0 0 0 0 1 0 7
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 2 0 1 0 0 0 0 1 1 2 0 0 0 0 0 7
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 1 0 0 0 0 0 2 0 0 1 0 0 2 0 0 0 6
237 Heating Systems 0 2 0 0 2 1 0 0 0 0 0 0 1 0 0 0 6
330 Amplifiers 0 1 1 0 0 1 1 0 1 0 0 0 0 0 0 1 6
432 Heating 2 1 2 1 0 0 0 0 0 0 0 0 0 0 0 0 6
450 Foundation Garments 2 2 0 0 0 0 1 0 0 0 0 0 0 1 0 0 6
504 Plant Protecting and Regulating Compositions 0 1 1 1 0 1 0 0 0 0 0 1 1 0 0 0 6
063 Jewelry 0 0 0 0 0 0 1 1 0 2 0 0 1 0 0 1 6
203 Distillation: Processes, Separatory 0 0 1 0 0 1 1 1 0 0 0 1 0 1 0 0 6
494 Imperforate Bowl: Centrifugal Separators 0 0 0 0 0 3 0 0 1 0 0 0 0 0 2 0 6
109 Safes, Bank Protection, or a Related Device 0 0 0 0 0 1 1 0 0 1 0 0 0 1 1 0 5
125 Stone Working 0 0 1 0 0 0 2 1 0 0 0 0 1 0 0 0 5
213 Railway Draft Appliances 0 3 0 1 1 0 0 0 0 0 0 0 0 0 0 0 5
333 Wave Transmission Lines and Networks 0 1 1 0 1 0 1 0 0 0 0 0 0 0 0 1 5
338 Electrical Resistors 0 1 0 1 0 0 2 0 0 0 0 0 0 0 0 1 5
400 Typewriting Machines 1 1 0 0 2 0 1 0 0 0 0 0 0 0 0 0 5
492 Roll or Roller 0 0 2 1 0 1 0 0 0 0 0 0 0 0 0 1 5
407 Cutters, for Shaping 0 0 0 0 0 0 1 1 0 1 1 1 0 0 0 0 5
076 Metal Tools and Implements, Making 0 0 0 1 1 0 0 0 0 0 1 0 1 0 0 0 4
140 Wireworking 1 0 0 1 0 0 1 1 0 0 0 0 0 0 0 1 4
202 Distillation: Apparatus 0 1 0 0 1 1 0 0 0 0 0 0 1 0 0 0 4
225 Severing by Tearing or Breaking 0 0 0 0 1 0 0 0 0 0 0 1 0 0 2 0 4
337 Electricity: Electrothermally or Thermally Actuated Switches 0 0 1 0 0 1 0 0 1 1 0 0 0 0 0 0 4
355 Photocopying 0 1 1 0 0 0 0 0 1 0 0 0 0 1 0 0 4
369 Dynamic Information Storage or Retrieval 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 1 4
420 Alloys or Metallic Compositions 0 0 0 0 0 1 0 0 0 0 2 0 0 0 1 0 4
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 0 2 0 0 0 0 0 0 0 1 0 1 0 0 0 0 4
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 0 0 0 0 0 2 0 0 0 0 1 0 1 0 4
708 Arithmetic Processing and Calculating (Electrical Computers) 1 0 0 0 1 0 0 0 0 1 0 0 0 1 0 1 4
168 Farriery 0 0 0 1 0 1 0 0 0 0 0 0 0 0 1 0 3
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 1 3
226 Advancing Material of Indeterminate Length 1 0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 3
289 Knots and Knot Tying 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 1 3
322 Electricity: Single Generator Systems 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 3
038 Textiles: Ironing or Smoothing 0 0 0 1 0 1 0 0 0 0 0 0 0 0 0 1 3
023 Chemistry: Physical Processes 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 2
026 Textiles: Cloth Finishing 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 2
051 Abrasive Tool Making Process, Material, or Composition 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 2
057 Textiles: Spinning, Twisting, and Twining 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 2
191 Electricity: Transmission To Vehicles 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 2
201 Distillation: Processes, Thermolytic 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 1 2
216 Etching a Substrate: Processes 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 2
217 Wooden Receptacles 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 2
326 Electronic Digital Logic Circuitry 0 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 2
332 Modulators 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 2
349 Liquid Crystal Cells, Elements and Systems 0 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 2
376 Induced Nuclear Reactions: Processes, Systems, and Elements 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 2
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 0 1 0 0 0 1 0 0 0 0 0 0 0 0 0 2
449 Bee Culture (propagating, raising, caring for bees) 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 2
453 Coin Handling 0 1 0 0 1 0 0 0 0 0 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 1 0 0 0 1 0 1 0 0 0 0 0 0 0 0 2
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
127 Sugar, Starch, and Carbohydrates 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
142 Wood Turning 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
159 Concentrating Evaporators 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 1
185 Motors: Spring, Weight, or Animal Powered 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1
190 Trunks and Hand-Carried Luggage 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
194 Check-Actuated Control Mechanisms 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
300 Brush, Broom, and Mop Making 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1
373 Industrial Electric Heating Furnaces 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
419 Powder Metallurgy Processes 0 0 0 1 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 1 0 0 0 0 0 0 0 1
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
588 Hazardous or Toxic Waste Destruction or Containment 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
ALL ALL CLASSES 1384 1352 1265 1262 1228 1073 1210 1015 949 978 1216 1197 1328 1455 1568 1537 20013


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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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