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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 - 2013 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 MICROPOLITAN AREAS

( 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 Total
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 57 34 29 21 42 52 61 67 77 114 96 110 146 177 1081
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 36 63 46 56 56 58 116 107 87 68 84 63 74 66 980
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 99 112 83 103 79 47 50 34 45 31 67 70 67 88 973
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 52 88 69 66 54 49 57 43 39 36 80 78 83 105 898
428 Stock Material or Miscellaneous Articles 54 68 78 64 59 58 40 31 16 34 53 50 46 45 696
606 Surgery (instruments) 44 38 31 45 23 24 32 32 26 34 73 64 88 110 662
280 Land Vehicles 50 62 44 39 42 40 37 48 36 36 58 42 62 46 643
052 Static Structures (e.g., Buildings) 39 74 51 48 40 36 31 26 23 41 40 38 59 71 618
210 Liquid Purification or Separation 29 37 37 38 34 42 44 44 44 33 48 55 61 51 594
073 Measuring and Testing 32 46 46 55 33 37 43 46 40 40 42 44 38 42 584
435 Chemistry: Molecular Biology and Microbiology 40 42 42 35 31 30 22 35 36 30 58 38 46 57 543
128 Surgery (includes Class 600) 33 35 35 41 28 22 33 25 23 29 39 61 70 60 530
362 Illumination 20 36 24 30 38 33 47 37 30 39 45 40 33 49 502
029 Metal Working 43 35 37 32 35 28 28 31 25 23 27 42 44 57 485
532 Organic Compounds (includes Classes 532-570) 47 40 45 30 29 23 34 22 30 24 24 37 37 48 470
340 Communications: Electrical 40 24 24 16 26 29 43 42 23 34 37 41 38 47 463
385 Optical Waveguides 9 30 48 50 48 30 39 26 33 27 26 18 20 32 436
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 11 12 18 22 21 20 26 25 9 26 46 55 72 62 424
439 Electrical Connectors 24 32 36 21 32 33 28 33 25 29 44 40 18 14 409
219 Electric Heating 35 40 33 39 33 34 32 16 20 14 13 13 35 41 397
062 Refrigeration 29 39 44 40 38 17 32 35 22 19 27 13 12 26 393
324 Electricity: Measuring and Testing 23 29 25 26 45 39 31 34 16 28 28 23 22 22 389
123 Internal-Combustion Engines 29 43 34 26 30 23 38 31 30 23 22 13 16 14 372
137 Fluid Handling 47 41 32 24 25 24 27 18 17 16 24 16 23 31 365
361 Electricity: Electrical Systems and Devices 26 19 23 30 22 16 18 30 26 28 25 34 24 40 361
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 26 37 19 38 43 17 18 20 19 17 28 26 19 27 352
702 DP: Measuring, Calibrating, or Testing (Data Processing) 14 14 21 28 29 28 20 27 26 19 30 31 34 31 351
414 Material or Article Handling 42 32 34 29 26 25 18 16 11 19 16 18 19 17 323
296 Land Vehicles: Bodies and Tops 26 28 15 36 28 17 24 25 22 18 18 17 18 28 320
119 Animal Husbandry 22 26 29 31 19 21 29 21 14 15 14 25 30 20 316
248 Supports (e.g., for holding articles, etc.) 34 23 31 20 16 18 22 16 8 13 24 24 30 29 307
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 8 3 7 1 6 9 18 9 19 16 45 39 64 62 306
473 Games Using Tangible Projectile 28 17 24 21 22 23 28 18 16 15 13 26 25 31 305
347 Incremental Printing of Symbolic Information 15 20 18 18 34 20 24 17 29 19 19 20 22 30 304
359 Optical: Systems and Elements 24 20 24 31 22 21 22 21 24 29 11 15 17 17 298
417 Pumps 36 37 37 30 24 12 19 14 5 11 10 11 22 25 294
033 Geometrical Instruments 14 17 22 26 18 31 22 33 30 19 9 20 18 12 290
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 23 22 30 31 29 29 13 10 12 9 12 23 21 27 290
297 Chairs and Seats 23 20 17 18 22 16 24 19 27 18 27 16 15 29 288
356 Optics: Measuring and Testing 22 10 25 16 17 12 14 27 24 17 32 21 30 18 285
604 Surgery (Medicators and Receptors) 21 27 15 19 17 8 9 6 7 13 26 34 37 47 285
005 Beds 17 13 13 23 24 22 29 10 19 23 23 17 19 22 275
056 Harvesters 26 20 21 19 17 32 21 14 20 11 26 17 19 13 275
060 Power Plants 18 15 16 15 15 14 20 18 7 18 20 22 37 38 271
250 Radiant Energy 12 7 14 17 16 14 27 20 16 20 29 23 27 28 270
427 Coating Processes 22 23 19 22 19 22 14 9 14 16 22 20 16 27 265
239 Fluid Sprinkling, Spraying, and Diffusing 26 14 19 20 32 11 28 18 10 16 18 21 9 23 264
438 Semiconductor Device Manufacturing: Process 18 25 18 18 24 15 15 19 21 25 14 16 15 21 264
206 Special Receptacle or Package 24 23 22 21 17 13 18 12 16 13 19 19 22 25 264
507 Earth Boring, Well Treating, and Oil Field Chemistry 5 6 5 13 19 7 11 16 12 25 43 33 24 42 261
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 32 23 32 22 18 12 16 13 11 15 18 20 15 13 260
043 Fishing, Trapping, and Vermin Destroying 21 21 22 35 21 19 18 7 10 14 18 15 18 16 253
700 DP: Generic Control Systems or Specific Applications (Data Processing) 13 14 12 14 23 17 22 14 27 13 15 16 23 27 250
222 Dispensing (apparatus and process) 33 22 23 18 26 24 18 9 15 9 17 12 9 14 249
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 5 5 4 12 17 4 18 26 19 13 28 38 30 29 246
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 9 17 15 16 14 11 12 8 8 9 14 30 38 42 244
405 Hydraulic and Earth Engineering 11 20 22 16 25 14 19 16 13 18 18 10 14 22 237
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 7 11 11 7 11 13 16 10 16 20 25 22 34 33 235
220 Receptacles 26 17 15 16 19 7 9 8 6 12 24 24 25 27 234
198 Conveyors: Power-Driven 27 26 18 25 17 16 8 16 7 14 19 13 14 14 233
707 DP: Database and File Management or Data Structures (Data Processing) 5 6 6 10 4 12 17 14 5 10 35 37 31 31 225
180 Motor Vehicles 17 16 17 16 18 13 12 12 19 13 22 15 18 18 223
015 Brushing, Scrubbing, and General Cleaning 28 14 13 14 13 11 12 25 8 16 16 13 16 20 219
002 Apparel 23 23 19 14 18 7 13 14 9 5 21 17 17 15 215
114 Ships 19 21 14 17 25 21 14 21 12 11 10 8 10 8 212
426 Food or Edible Material: Processes, Compositions, and Products 35 20 22 17 19 8 13 12 9 6 11 13 16 12 212
310 Electrical Generator or Motor Structure 14 27 15 11 13 12 15 14 11 13 17 14 19 13 209
482 Exercise Devices 26 14 13 17 7 5 17 6 14 17 26 25 11 9 206
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 12 12 10 9 11 14 16 23 20 15 16 19 17 13 205
174 Electricity: Conductors and Insulators 9 22 14 15 21 12 20 17 13 12 15 8 12 10 197
423 Chemistry of Inorganic Compounds 13 13 10 12 14 12 14 7 11 22 17 23 9 20 197
404 Road Structure, Process, or Apparatus 16 12 14 16 20 18 14 10 13 12 14 16 10 12 196
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 12 10 12 14 10 9 8 17 9 9 14 26 29 14 192
241 Solid Material Comminution or Disintegration 11 12 9 11 9 12 14 14 13 14 22 20 14 14 190
382 Image Analysis 5 16 9 6 8 6 8 7 14 10 20 19 32 26 187
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 9 17 18 21 15 8 18 14 6 12 10 12 6 20 186
418 Rotary Expansible Chamber Devices 20 27 20 13 20 5 11 12 10 6 4 19 9 9 185
224 Package and Article Carriers 16 24 30 14 15 13 8 4 9 6 10 8 14 15 184
252 Compositions 9 12 6 21 17 13 9 15 9 7 19 15 16 16 184
204 Chemistry: Electrical and Wave Energy 11 16 12 17 13 19 10 14 8 8 12 14 12 17 184
065 Glass Manufacturing 6 14 19 17 24 8 7 8 2 8 4 23 14 28 182
134 Cleaning and Liquid Contact with Solids 16 18 17 23 17 11 9 8 5 7 8 11 18 15 182
106 Compositions: Coating or Plastic 13 19 23 21 14 9 13 13 11 8 11 7 4 14 180
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 11 15 12 20 12 12 18 16 6 9 7 9 11 20 180
042 Firearms 9 13 22 13 8 13 8 9 11 8 9 11 22 26 180
175 Boring or Penetrating the Earth 16 18 19 11 15 9 15 7 12 12 12 14 12 8 180
192 Clutches and Power-Stop Control 13 11 12 16 15 12 7 10 8 6 16 18 15 14 173
345 Computer Graphics Processing and Selective Visual Display Systems 13 17 4 8 13 7 12 10 11 13 18 15 16 14 171
182 Fire Escape, Ladder, or Scaffold 12 17 11 9 15 15 16 6 5 3 8 16 14 20 166
501 Compositions: Ceramic 12 17 14 12 14 6 8 9 10 12 13 16 12 10 165
074 Machine Element or Mechanism 22 19 16 10 13 9 8 5 4 6 8 6 20 16 162
251 Valves and Valve Actuation 12 14 7 8 13 21 18 7 8 5 13 15 12 8 161
211 Supports: Racks 18 13 11 9 16 11 16 8 9 8 11 16 7 8 161
451 Abrading 14 11 16 9 10 24 16 6 8 4 9 8 11 12 158
037 Excavating 10 10 12 10 12 10 12 5 5 13 25 14 6 11 155
053 Package Making 14 15 7 21 17 15 9 8 8 10 5 7 6 12 154
455 Telecommunications 6 3 8 2 8 6 15 16 6 4 13 16 22 29 152
463 Amusement Devices: Games 4 6 5 5 10 5 4 6 12 5 16 23 22 24 148
030 Cutlery 19 10 18 18 12 11 11 7 9 7 9 6 4 6 147
366 Agitating (e.g., of articles and materials) 8 7 7 8 9 10 9 16 14 9 9 11 15 9 141
081 Tools 14 17 12 8 7 12 12 12 10 3 8 7 8 12 141
072 Metal Deforming 11 10 16 12 12 7 15 12 5 4 10 9 12 7 140
254 Implements or Apparatus for Applying Pushing or Pulling Force 12 10 12 8 7 10 8 11 12 8 10 9 10 13 139
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 10 17 16 9 7 24 11 13 5 5 10 7 1 5 138
172 Earth Working 13 9 4 14 6 8 16 5 8 9 12 8 9 14 135
375 Pulse or Digital Communications 8 8 10 11 6 8 11 13 4 4 13 11 13 13 133
083 Cutting 15 12 11 11 10 10 14 8 3 8 6 7 9 9 133
370 Multiplex Communications 15 8 7 7 10 3 9 7 8 5 17 3 12 20 131
285 Pipe Joints or Couplings 13 10 16 15 7 13 6 7 10 5 9 6 7 8 130
348 Television 8 10 13 5 4 3 4 4 7 4 9 14 18 27 129
040 Card, Picture, or Sign Exhibiting 8 8 6 10 12 11 9 7 5 8 14 13 10 6 127
144 Woodworking 17 4 5 7 5 6 11 9 13 6 16 15 8 4 127
315 Electric Lamp and Discharge Devices: Systems 6 4 8 11 6 6 10 8 8 5 9 15 13 17 125
313 Electric Lamp and Discharge Devices 9 14 19 9 16 9 7 5 4 4 7 11 5 8 124
242 Winding, Tensioning, or Guiding 18 9 14 7 9 7 11 14 10 8 2 4 3 6 122
200 Electricity: Circuit Makers and Breakers 21 8 19 8 9 10 9 5 6 6 5 9 4 4 122
436 Chemistry: Analytical and Immunological Testing 5 11 11 6 11 2 7 6 4 7 14 15 11 15 122
102 Ammunition and Explosives 4 5 3 6 7 12 8 10 8 7 7 14 16 13 120
004 Baths, Closets, Sinks, and Spittoons 9 10 17 15 10 8 12 6 4 1 2 4 7 16 119
095 Gas Separation: Processes 9 11 5 6 7 6 6 1 10 5 11 14 14 13 118
244 Aeronautics and Astronautics 7 7 10 9 8 6 15 9 0 7 11 11 9 11 118
055 Gas Separation 3 0 9 4 9 6 5 6 10 6 18 14 12 11 113
084 Music 11 5 6 8 8 4 7 4 11 12 10 8 13 6 113
365 Static Information Storage and Retrieval 3 5 4 3 8 9 6 10 6 2 9 22 21 5 112
585 Chemistry of Hydrocarbon Compounds 21 13 13 10 6 5 3 4 7 5 6 7 2 9 111
124 Mechanical Guns and Projectors 13 7 7 14 19 2 5 6 3 6 10 7 3 10 111
379 Telephonic Communications 6 13 3 9 6 6 9 6 4 7 6 10 15 10 110
312 Supports: Cabinet Structure 17 8 11 11 14 13 5 4 4 3 5 3 7 5 110
273 Amusement Devices: Games 11 6 13 11 13 3 10 11 8 8 4 6 1 4 109
165 Heat Exchange 8 12 8 5 7 5 17 13 4 6 7 3 5 9 109
602 Surgery: Splint, Brace, or Bandage 9 6 10 8 11 5 6 8 3 4 9 12 9 7 108
118 Coating Apparatus 7 8 15 11 13 10 9 5 2 6 4 9 6 3 107
034 Drying and Gas or Vapor Contact with Solids 15 10 11 13 14 9 6 3 5 1 1 6 7 6 107
294 Handling: Hand and Hoist-Line Implements 9 5 9 6 5 4 2 12 8 5 4 11 11 16 107
100 Presses 12 9 5 10 13 6 11 5 6 2 4 7 11 5 106
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 10 8 14 8 9 12 5 3 7 7 7 4 8 3 105
047 Plant Husbandry 7 11 11 11 9 7 6 5 1 8 9 3 10 7 105
277 Seal for a Joint or Juncture 17 10 11 9 10 7 7 5 2 2 7 6 3 8 104
410 Freight Accommodation On Freight Carrier 13 6 7 2 8 8 6 7 6 2 5 11 13 9 103
188 Brakes 10 13 15 5 4 6 7 8 6 4 3 5 9 6 101
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 10 12 7 10 10 5 4 6 8 3 8 1 9 6 100
290 Prime-Mover Dynamo Plants 3 6 0 2 5 6 6 8 7 10 16 7 6 16 99
415 Rotary Kinetic Fluid Motors or Pumps 2 4 7 5 6 12 5 6 2 2 8 10 14 12 95
475 Planetary Gear Transmission Systems or Components 13 5 6 13 12 5 6 5 1 3 6 7 8 5 95
164 Metal Founding 3 4 5 9 2 7 12 9 3 3 5 15 10 7 94
434 Education and Demonstration 9 8 7 13 6 10 4 4 2 2 2 7 11 10 94
440 Marine Propulsion 8 6 11 11 9 6 7 6 5 8 5 5 5 3 94
024 Buckles, Buttons, Clasps, Etc. 11 9 8 7 6 8 6 5 3 5 8 7 5 6 93
126 Stoves and Furnaces 10 8 8 6 8 6 4 5 4 2 10 6 5 11 93
099 Foods and Beverages: Apparatus 10 12 7 8 6 4 4 5 5 5 13 8 5 1 93
160 Flexible or Portable Closure, Partition, or Panel 5 7 2 7 5 4 14 5 5 4 14 6 7 5 90
372 Coherent Light Generators 6 1 2 5 6 4 3 1 4 14 16 7 11 7 87
381 Electrical Audio Signal Processing Systems and Devices 6 0 3 7 8 4 4 9 6 1 5 8 14 11 87
303 Fluid-Pressure and Analogous Brake Systems 11 9 11 13 6 6 2 2 8 4 5 4 5 1 87
292 Closure Fasteners 18 3 7 7 1 10 7 4 6 4 3 9 4 3 86
714 Error Detection/Correction and Fault Detection/Recovery 6 6 1 3 7 3 5 6 11 9 12 7 5 5 86
209 Classifying, Separating, and Assorting Solids 5 11 3 6 2 7 7 4 6 6 8 8 7 5 85
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 9 11 7 6 8 2 3 1 3 3 7 7 10 7 85
343 Communications: Radio Wave Antennas 7 12 7 4 4 6 8 5 7 1 5 4 8 5 85
446 Amusement Devices: Toys 10 8 9 14 7 1 4 4 6 3 2 4 3 9 83
228 Metal Fusion Bonding 7 11 10 9 5 10 3 1 2 4 4 4 7 5 82
384 Bearings 6 18 9 11 10 3 6 0 4 2 4 1 6 3 82
049 Movable or Removable Closures 12 5 3 5 6 4 3 3 5 2 3 5 15 11 82
138 Pipes and Tubular Conduits 12 8 5 2 3 6 4 6 6 3 9 5 5 8 82
271 Sheet Feeding or Delivering 1 2 2 5 4 5 6 5 4 10 6 13 17 2 82
162 Paper Making and Fiber Liberation 7 5 2 7 10 2 7 3 6 2 11 7 7 5 81
711 Memory (Electrical Computers and Digital Processing Systems) 3 2 4 2 4 3 5 5 6 8 6 15 11 6 81
016 Miscellaneous Hardware (e.g., Bushing, Carpet Fastener, Caster, Door Closer, Panel Hanger, Attachable or Adjunct Handle, Hinge, Window Sash Balance, Etc.) 5 3 9 7 6 6 5 5 3 1 9 5 6 10 80
416 Fluid Reaction Surfaces (i.e., Impellers) 4 6 9 8 4 4 4 4 8 1 5 6 7 10 79
269 Work Holders 10 4 4 6 4 6 7 7 5 2 5 3 6 10 79
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 6 14 11 4 8 8 7 2 1 4 2 1 6 5 79
108 Horizontally Supported Planar Surfaces 7 8 7 9 10 5 7 0 1 2 4 5 7 6 79
208 Mineral Oils: Processes and Products 10 6 11 8 6 4 1 5 5 3 8 6 2 3 78
089 Ordnance 0 4 1 4 4 1 2 1 1 6 8 10 14 20 76
229 Envelopes, Wrappers, and Paperboard Boxes 7 9 14 3 2 2 0 5 4 6 12 7 2 4 76
713 Support (Electrical Computers and Digital Processing Systems) 1 0 3 3 3 7 4 5 5 8 9 6 9 13 76
431 Combustion 4 8 10 8 4 5 1 6 4 4 10 4 4 4 76
351 Optics: Eye Examining, Vision Testing and Correcting 5 3 4 9 6 1 8 4 2 7 10 10 4 3 76
318 Electricity: Motive Power Systems 7 6 3 4 5 2 6 6 8 6 3 7 7 5 76
111 Planting 4 5 1 7 5 4 9 3 6 5 9 5 6 7 76
408 Cutting by Use of Rotating Axially Moving Tool 4 8 5 2 5 1 11 4 2 5 5 13 3 7 75
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 7 3 4 10 4 4 6 6 5 4 5 9 4 4 75
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 3 2 3 3 4 4 6 2 10 6 9 6 7 10 74
299 Mining or In Situ Disintegration of Hard Material 7 4 8 11 4 7 5 4 0 4 5 3 6 6 74
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 7 9 4 4 11 2 3 4 5 7 6 5 3 3 73
710 Input/Output (Electrical Computers and Digital Data Processing Systems) 7 4 3 7 1 7 5 5 2 7 6 8 3 8 73
036 Boots, Shoes, and Leggings 5 4 6 6 1 7 3 2 8 8 7 5 4 6 73
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 3 9 2 3 8 5 5 5 7 5 5 7 6 1 72
320 Electricity: Battery or Capacitor Charging or Discharging 5 3 5 6 6 2 3 2 3 6 7 8 8 8 71
227 Elongated-Member-Driving Apparatus 3 1 2 0 1 2 3 4 15 7 11 5 5 12 70
307 Electrical Transmission or Interconnection Systems 5 6 4 4 1 0 2 3 7 3 5 8 9 12 70
360 Dynamic Magnetic Information Storage or Retrieval 9 6 5 6 2 2 5 4 6 5 7 4 7 2 69
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 3 1 2 0 6 1 8 8 4 7 6 9 9 5 69
181 Acoustics 9 5 8 8 4 9 0 4 1 6 1 6 5 2 68
403 Joints and Connections 6 3 7 7 6 7 1 2 1 4 4 6 9 5 68
367 Communications, Electrical: Acoustic Wave Systems and Devices 10 4 3 1 10 3 1 1 7 2 7 6 9 3 67
336 Inductor Devices 2 6 5 6 4 8 7 5 3 7 4 7 2 1 67
452 Butchering 7 4 2 8 5 3 3 5 4 4 3 5 6 8 67
454 Ventilation 8 6 9 10 6 4 4 4 4 1 3 2 2 3 66
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 6 3 4 5 3 2 5 3 6 5 5 9 3 6 65
070 Locks 4 6 3 9 3 3 9 4 2 4 3 2 6 5 63
401 Coating Implements with Material Supply 3 4 8 8 4 10 2 0 5 3 4 3 1 6 62
374 Thermal Measuring and Testing 7 4 1 1 1 6 6 3 4 6 4 3 10 5 61
726 Information Security 3 1 0 2 1 1 2 3 5 9 9 5 10 10 60
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 6 2 4 3 7 4 5 6 1 3 5 3 6 5 60
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 5 3 4 4 7 4 7 5 3 4 2 5 3 3 59
148 Metal Treatment 3 6 4 6 7 4 2 2 0 1 6 3 5 10 59
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 5 7 6 14 3 2 4 1 1 1 4 6 1 3 58
399 Electrophotography 0 2 1 0 5 4 4 6 5 10 6 7 4 4 58
027 Undertaking 5 2 2 1 0 3 3 11 8 5 5 1 4 6 56
378 X-Ray or Gamma Ray Systems or Devices 5 5 2 1 3 7 5 3 2 5 5 3 5 4 56
215 Bottles and Jars 8 4 6 5 2 1 6 3 0 4 2 6 4 4 56
221 Article Dispensing 5 3 6 6 5 4 6 3 1 5 3 3 1 5 56
717 DP: Software Development, Installation, and Management (Data Processing) 0 2 1 0 3 2 7 4 4 2 13 3 7 5 53
363 Electric Power Conversion Systems 6 5 4 5 5 2 3 3 2 3 2 5 4 5 52
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 1 2 7 11 15 8 2 0 1 1 1 2 51
267 Spring Devices 5 5 5 9 1 4 3 3 1 1 4 4 2 3 51
135 Tent, Canopy, Umbrella, or Cane 1 7 4 3 8 2 2 4 2 2 4 1 4 7 50
607 Surgery: Light, Thermal, and Electrical Application 3 1 4 3 3 0 2 1 0 3 4 6 5 14 49
392 Electric Resistance Heating Devices 5 4 3 1 3 2 7 6 4 4 2 2 4 1 48
433 Dentistry 5 12 4 4 3 1 7 0 2 2 0 1 4 3 47
092 Expansible Chamber Devices 2 2 1 5 5 6 2 5 5 5 4 1 2 2 47
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 2 8 1 4 8 2 3 3 5 2 0 4 1 4 47
082 Turning (e.g., for metal working) 5 6 4 5 0 1 3 2 1 4 3 3 5 4 46
096 Gas Separation: Apparatus 3 7 2 3 2 3 2 1 0 4 2 3 7 7 46
341 Coded Data Generation or Conversion 2 4 0 1 2 2 1 0 6 7 8 4 4 5 45
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 2 2 3 6 4 2 3 1 1 4 3 4 6 4 45
044 Fuel and Related Compositions 7 1 1 0 2 1 1 2 1 0 6 4 7 12 45
326 Electronic Digital Logic Circuitry 4 2 7 2 2 3 4 2 2 3 5 5 0 5 45
173 Tool Driving or Impacting 4 1 4 6 4 4 6 4 1 2 3 1 3 2 45
301 Land Vehicles: Wheels and Axles 3 4 4 7 2 3 3 3 4 3 3 3 0 2 44
256 Fences 2 4 2 8 6 1 3 2 1 5 2 4 3 2 44
383 Flexible Bags 4 6 4 3 1 2 3 1 4 2 0 5 4 5 44
132 Toilet 9 3 2 4 2 2 5 2 2 2 0 2 4 4 43
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 9 1 2 7 4 3 7 0 1 2 1 2 1 3 43
398 Optical Communications 0 2 7 5 1 0 2 0 3 5 3 2 8 5 43
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 3 3 6 6 4 2 5 5 2 1 0 2 2 1 42
358 Facsimile and Static Presentation Processing 1 1 2 2 0 0 5 2 3 2 5 4 4 9 42
101 Printing 7 4 1 2 3 6 5 2 1 0 5 1 4 1 42
406 Conveyors: Fluid Current 3 2 2 1 2 1 2 8 6 2 5 2 3 2 41
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 4 3 1 0 4 2 9 4 2 3 3 1 2 2 41
330 Amplifiers 3 11 4 3 1 1 4 2 3 3 2 1 1 1 41
474 Endless Belt Power Transmission Systems or Components 1 4 2 3 5 4 5 0 2 2 2 5 3 2 40
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 0 0 2 2 0 0 2 5 6 4 2 7 4 6 40
396 Photography 7 3 2 2 5 1 1 2 2 5 0 4 4 1 39
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 6 3 3 3 4 1 2 1 2 4 1 5 3 1 39
441 Buoys, Rafts, and Aquatic Devices 3 1 2 3 3 2 6 4 2 2 1 3 1 5 38
236 Automatic Temperature and Humidity Regulation 4 6 5 0 1 0 1 4 2 1 1 4 5 3 37
212 Traversing Hoists 4 6 4 2 2 0 0 3 2 3 4 2 1 3 36
369 Dynamic Information Storage or Retrieval 0 1 3 1 4 1 5 7 1 3 3 1 6 0 36
409 Gear Cutting, Milling, or Planing 2 3 4 6 1 0 3 5 3 4 2 0 2 1 36
116 Signals and Indicators 2 4 3 3 6 4 2 2 2 2 1 2 2 1 36
068 Textiles: Fluid Treating Apparatus 3 5 3 4 2 2 2 0 3 4 3 0 1 3 35
066 Textiles: Knitting 4 2 0 2 0 2 3 1 2 8 5 2 1 2 34
494 Imperforate Bowl: Centrifugal Separators 2 0 3 11 3 3 0 2 2 3 1 2 1 1 34
104 Railways 1 6 4 3 2 1 0 2 1 1 1 2 5 4 33
184 Lubrication 2 3 5 4 2 1 1 2 2 1 2 2 1 5 33
323 Electricity: Power Supply or Regulation Systems 2 1 6 2 1 1 2 3 0 4 3 5 1 3 33
110 Furnaces 6 4 4 3 5 1 2 0 3 1 1 1 0 2 33
149 Explosive and Thermic Compositions or Charges 3 5 4 3 0 2 2 0 0 1 1 4 3 4 32
400 Typewriting Machines 3 1 0 6 4 5 2 4 1 0 2 0 2 1 32
419 Powder Metallurgy Processes 5 5 3 4 3 0 0 1 2 1 1 2 1 3 32
169 Fire Extinguishers 3 1 1 1 5 2 1 2 4 1 3 0 6 1 31
014 Bridges 2 4 1 1 0 2 4 2 1 2 0 5 5 2 31
445 Electric Lamp or Space Discharge Component or Device Manufacturing 1 2 3 2 2 1 2 1 5 2 1 1 4 4 31
725 Interactive Video Distribution Systems 1 2 1 2 0 1 2 4 0 2 3 5 2 5 30
353 Optics: Image Projectors 1 0 0 3 1 2 2 5 1 1 2 7 3 2 30
122 Liquid Heaters and Vaporizers 2 5 1 4 1 1 5 1 0 5 2 2 1 0 30
249 Static Molds 2 4 4 1 1 1 1 4 2 1 2 1 2 3 29
472 Amusement Devices 1 2 6 0 3 1 1 3 2 3 1 4 1 1 29
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 0 0 0 0 0 1 2 1 3 1 1 1 12 7 29
057 Textiles: Spinning, Twisting, and Twining 2 2 3 4 2 1 1 1 2 2 2 3 1 2 28
216 Etching a Substrate: Processes 2 0 2 2 1 1 2 2 2 5 1 1 4 3 28
333 Wave Transmission Lines and Networks 5 6 2 0 1 0 1 4 1 1 0 2 3 0 27
305 Wheel Substitutes for Land Vehicles 4 5 0 2 0 0 3 0 0 1 3 2 2 5 27
054 Harness for Working Animal 4 2 1 3 3 1 2 1 5 2 1 0 2 0 26
105 Railway Rolling Stock 3 2 1 2 3 3 0 0 0 0 2 2 3 5 26
177 Weighing Scales 1 1 3 2 3 2 1 1 0 5 1 1 1 4 26
266 Metallurgical Apparatus 1 1 3 2 4 1 2 2 1 1 1 1 1 5 26
337 Electricity: Electrothermally or Thermally Actuated Switches 3 2 4 4 4 0 1 0 3 0 1 1 2 1 26
504 Plant Protecting and Regulating Compositions 1 3 1 4 2 2 3 1 0 0 0 1 6 2 26
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 4 2 1 7 1 0 1 1 0 0 1 5 2 1 26
706 DP: Artificial Intelligence (Data Processing) 0 3 0 1 0 1 2 1 1 3 4 4 4 3 26
283 Printed Matter 4 3 3 2 0 2 1 0 2 0 2 2 3 2 26
203 Distillation: Processes, Separatory 10 2 2 0 2 1 1 0 0 1 1 2 2 2 26
601 Surgery: Kinesitherapy 1 4 1 1 2 3 2 2 0 0 0 2 3 4 25
368 Horology: Time Measuring Systems or Devices 1 2 1 1 2 1 2 1 5 1 2 2 1 3 25
432 Heating 4 3 4 4 0 0 3 2 1 1 3 0 0 0 25
298 Land Vehicles: Dumping 2 4 1 3 3 1 1 1 3 1 1 1 1 2 25
407 Cutters, for Shaping 1 2 0 2 1 1 3 2 1 2 3 1 2 3 24
477 Interrelated Power Delivery Controls, Including Engine Control 3 2 2 0 0 1 0 0 1 4 4 5 1 1 24
136 Batteries: Thermoelectric and Photoelectric 2 0 1 1 1 0 2 0 1 4 1 7 0 3 23
232 Deposit and Collection Receptacles 0 0 1 4 2 3 3 2 4 1 0 1 1 1 23
279 Chucks or Sockets 4 2 5 3 2 1 0 0 1 0 2 1 1 1 23
460 Crop Threshing or Separating 2 0 1 0 0 4 1 4 2 1 0 1 2 5 23
152 Resilient Tires and Wheels 1 3 3 2 1 0 0 1 1 2 0 6 2 1 23
708 Arithmetic Processing and Calculating (Electrical Computers) 5 1 2 1 1 1 1 0 1 3 2 1 1 4 23
338 Electrical Resistors 0 1 1 1 1 1 5 3 0 0 1 1 5 2 22
028 Textiles: Manufacturing 1 1 1 4 3 1 2 2 1 2 1 1 0 1 21
261 Gas and Liquid Contact Apparatus 4 2 2 1 1 0 2 1 0 5 2 0 2 1 21
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 0 0 0 1 2 3 4 2 3 0 3 2 1 1 21
007 Compound Hand Tools 0 3 0 2 2 0 2 2 2 0 0 1 1 5 20
223 Apparel Apparatus 6 1 1 0 3 1 2 0 4 0 1 1 0 1 20
091 Motors: Expansible Chamber Type 3 3 1 3 0 1 3 1 2 0 1 0 0 1 20
505 Superconductor Technology: Apparatus, Material, Process 0 1 2 2 1 2 1 0 0 2 5 1 0 2 20
139 Textiles: Weaving 0 3 4 2 3 0 2 0 1 2 0 2 1 0 20
380 Cryptography 0 0 1 0 2 0 0 1 2 2 3 1 4 4 19
071 Chemistry: Fertilizers 1 2 3 1 2 2 0 0 0 0 1 2 3 2 19
349 Liquid Crystal Cells, Elements and Systems 1 4 2 2 3 0 0 0 0 1 0 4 1 1 19
588 Hazardous or Toxic Waste Destruction or Containment 4 2 1 3 1 1 1 0 0 2 1 0 2 1 19
450 Foundation Garments 2 2 2 1 0 0 1 0 0 3 2 3 1 1 18
157 Wheelwright Machines 2 1 0 1 1 1 3 1 2 0 2 3 0 1 18
086 Ammunition and Explosive-Charge Making 3 2 0 0 0 0 2 1 2 1 1 1 3 1 17
194 Check-Actuated Control Mechanisms 1 1 2 5 2 0 1 0 0 0 0 1 2 1 17
131 Tobacco 1 2 3 1 1 0 2 1 0 1 1 1 0 2 16
225 Severing by Tearing or Breaking 0 0 2 2 4 0 1 1 0 1 0 2 1 2 16
226 Advancing Material of Indeterminate Length 3 4 2 0 1 3 1 0 1 0 1 0 0 0 16
125 Stone Working 1 0 1 1 3 1 4 0 1 0 2 0 0 1 15
237 Heating Systems 1 2 2 4 1 2 0 0 0 0 0 1 0 2 15
355 Photocopying 1 2 2 2 2 1 1 0 2 0 0 0 1 0 14
386 Motion Video Signal Processing for Recording or Reproducing 1 3 0 2 0 0 0 1 0 2 0 1 1 3 14
048 Gas: Heating and Illuminating 1 0 0 0 0 0 0 1 1 1 3 2 0 5 14
063 Jewelry 1 1 2 2 1 2 3 0 0 0 0 1 1 0 14
331 Oscillators 2 0 0 1 1 0 1 3 2 0 1 2 0 1 14
112 Sewing 1 1 3 0 0 1 0 1 1 1 1 0 2 1 13
246 Railway Switches and Signals 2 0 3 0 0 0 1 1 2 1 1 0 1 1 13
376 Induced Nuclear Reactions: Processes, Systems, and Elements 0 5 2 1 3 0 0 0 0 0 0 1 1 0 13
202 Distillation: Apparatus 2 0 1 0 0 0 1 1 1 2 1 1 2 1 13
051 Abrasive Tool Making Process, Material, or Composition 1 1 2 2 1 0 1 2 1 0 1 0 0 0 12
140 Wireworking 1 0 1 1 1 0 1 3 0 1 1 2 0 0 12
193 Conveyors, Chutes, Skids, Guides, and Ways 0 0 0 1 2 2 2 1 1 0 0 2 0 1 12
270 Sheet-Material Associating 0 3 0 2 0 0 0 0 0 0 3 2 0 2 12
019 Textiles: Fiber Preparation 3 2 1 3 1 0 0 0 0 0 0 0 0 1 11
127 Sugar, Starch, and Carbohydrates 2 1 3 1 0 1 0 0 0 1 1 0 1 0 11
293 Vehicle Fenders 2 2 0 1 2 0 0 0 0 0 0 0 2 2 11
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 0 0 0 1 0 2 1 1 0 2 0 0 1 3 11
373 Industrial Electric Heating Furnaces 4 1 0 0 1 0 1 0 0 0 2 0 0 1 10
492 Roll or Roller 0 2 0 0 1 2 1 0 0 1 0 1 0 2 10
281 Books, Strips, and Leaves 1 1 1 1 1 1 0 0 0 2 0 1 0 0 10
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 2 2 0 1 0 0 0 0 1 0 0 0 2 1 9
420 Alloys or Metallic Compositions 0 0 4 0 0 1 0 1 0 0 2 0 0 1 9
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 3 1 1 0 1 1 1 0 0 0 0 0 0 0 9
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 0 0 1 3 1 0 0 0 0 0 0 1 1 1 8
059 Chain, Staple, and Horseshoe Making 0 0 0 0 0 1 0 2 0 0 0 2 2 1 8
190 Trunks and Hand-Carried Luggage 1 1 0 2 0 1 1 1 0 0 1 0 0 0 8
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 1 2 3 0 0 1 0 0 0 1 0 0 0 0 8
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 0 1 2 0 1 0 1 1 0 0 0 2 0 0 8
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 0 0 2 2 0 0 0 0 1 0 2 0 0 0 7
023 Chemistry: Physical Processes 0 0 1 0 0 1 0 0 0 1 0 1 1 2 7
026 Textiles: Cloth Finishing 4 1 1 0 0 0 0 1 0 0 0 0 0 0 7
076 Metal Tools and Implements, Making 1 1 2 1 0 1 0 0 0 1 0 0 0 0 7
150 Purses, Wallets, and Protective Covers 0 0 2 0 0 0 2 0 1 1 0 0 0 1 7
238 Railways: Surface Track 0 1 0 0 0 0 1 0 0 0 1 1 0 3 7
453 Coin Handling 2 0 0 1 1 1 0 0 0 1 1 0 0 0 7
483 Tool Changing 1 0 2 0 0 0 0 0 0 0 2 2 0 0 7
322 Electricity: Single Generator Systems 1 0 0 1 0 0 1 1 1 0 1 0 0 1 7
213 Railway Draft Appliances 0 1 0 0 2 0 1 0 0 1 0 0 0 1 6
289 Knots and Knot Tying 0 0 1 1 0 1 0 0 1 0 0 2 0 0 6
300 Brush, Broom, and Mop Making 0 1 1 1 1 0 0 0 0 0 0 0 0 2 6
388 Electricity: Motor Control Systems 2 0 0 0 1 0 1 0 0 0 1 0 0 1 6
449 Bee Culture (propagating, raising, caring for bees) 0 1 0 1 0 0 1 0 1 0 0 0 0 2 6
720 Dynamic Optical Information Storage or Retrieval 1 0 0 1 2 0 1 0 1 0 0 0 0 0 6
201 Distillation: Processes, Thermolytic 0 0 0 0 0 0 0 0 0 1 1 1 1 1 5
109 Safes, Bank Protection, or a Related Device 0 0 1 1 0 1 0 1 0 0 0 0 0 0 4
171 Unearthing Plants or Buried Objects 2 0 0 0 1 0 1 0 0 0 0 0 0 0 4
191 Electricity: Transmission To Vehicles 0 2 0 0 0 0 1 0 0 0 0 0 0 1 4
412 Bookbinding: Process and Apparatus 1 0 1 0 0 0 0 0 0 0 0 0 2 0 4
147 Coopering 0 3 0 0 0 0 0 0 0 0 0 0 0 0 3
159 Concentrating Evaporators 0 0 0 0 0 1 0 0 0 2 0 0 0 0 3
168 Farriery 0 0 0 0 1 0 0 0 0 1 0 0 0 1 3
217 Wooden Receptacles 1 0 0 0 0 1 0 0 0 0 0 1 0 0 3
231 Whips and Whip Apparatus 1 0 0 0 0 0 0 0 1 0 1 0 0 0 3
038 Textiles: Ironing or Smoothing 0 0 0 0 1 0 0 1 0 0 0 0 0 0 2
087 Textiles: Braiding, Netting, and Lace Making 0 1 1 0 0 0 0 0 0 0 0 0 0 0 2
186 Merchandising 1 0 0 0 1 0 0 0 0 0 0 0 0 0 2
260 Chemistry of Carbon Compounds 0 1 0 0 0 0 0 0 0 1 0 0 0 0 2
329 Demodulators 1 0 0 1 1 0 0 0 0 0 0 0 0 0 2
352 Optics: Motion Pictures 0 0 0 0 0 1 0 1 0 0 0 0 0 0 2
512 Perfume Compositions 0 0 1 0 0 0 0 0 0 0 1 0 0 0 2
413 Sheet Metal Container Making 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
012 Boot and Shoe Making 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1
069 Leather Manufactures 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
196 Mineral Oils: Apparatus 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1
278 Land Vehicles: Animal Draft Appliances 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1
295 Railway Wheels and Axles 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
346 Recorders 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1
476 Friction Gear Transmission Systems or Components 0 0 0 1 0 0 0 0 0 0 0 0 0 0 1
ALL ALL CLASSES 3454 3493 3332 3383 3244 2720 3132 2748 2513 2596 3452 3529 3754 4105 45454



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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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