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

Patenting By Geographic Region (State and Country),
Breakout By Technology Class

Count of 2006 - 2010 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 FOREIGN REGIONS

( 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 )

The following table displays technology classes and counts of utility patents classified in them; patents are distributed either by year of patent grant or by year of patent application.
Class Class Title 2006 2007 2008 2009 2010 Total
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 2787 2760 2640 3206 4810 16203
438 Semiconductor Device Manufacturing: Process 2732 2480 2698 3033 3762 14705
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 2227 2132 2093 2295 3313 12060
370 Multiplex Communications 1508 1332 2060 2313 3349 10562
455 Telecommunications 2105 1778 1636 1679 2144 9342
345 Computer Graphics Processing and Selective Visual Display Systems 1737 1545 1503 1627 2188 8600
532 Organic Compounds (includes Classes 532-570) 1581 1402 1480 1524 1788 7775
365 Static Information Storage and Retrieval 1290 1392 1441 1529 1820 7472
347 Incremental Printing of Symbolic Information 1143 1238 1517 1432 1889 7219
359 Optical: Systems and Elements 1504 1298 1345 1405 1630 7182
382 Image Analysis 1214 1124 1346 1407 1817 6908
439 Electrical Connectors 1399 1141 1273 1230 1475 6518
250 Radiant Energy 1259 1180 1255 1268 1332 6294
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 1351 1141 957 1057 1757 6263
348 Television 1038 928 1178 1416 1684 6244
435 Chemistry: Molecular Biology and Microbiology 1186 1157 1094 1102 1531 6070
375 Pulse or Digital Communications 1140 1035 1115 1114 1593 5997
361 Electricity: Electrical Systems and Devices 950 1026 1166 1249 1571 5962
399 Electrophotography 988 1039 1140 1161 1548 5876
428 Stock Material or Miscellaneous Articles 1126 1062 950 1048 1516 5702
349 Liquid Crystal Cells, Elements and Systems 874 780 933 1337 1609 5533
369 Dynamic Information Storage or Retrieval 1087 1070 1055 972 1196 5380
358 Facsimile and Static Presentation Processing 898 891 946 1048 1235 5018
073 Measuring and Testing 944 892 983 897 1044 4760
324 Electricity: Measuring and Testing 924 909 872 929 1125 4759
123 Internal-Combustion Engines 1215 1069 964 703 788 4739
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 638 675 732 928 1409 4382
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 890 792 787 814 971 4254
714 Error Detection/Correction and Fault Detection/Recovery 687 766 776 880 970 4079
310 Electrical Generator or Motor Structure 743 689 697 890 1030 4049
362 Illumination 647 746 710 797 1133 4033
356 Optics: Measuring and Testing 595 743 790 805 914 3847
385 Optical Waveguides 972 885 756 636 591 3840
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 670 651 628 797 1035 3781
713 Support (Electrical Computers and Digital Processing Systems) 574 660 767 733 890 3624
340 Communications: Electrical 788 612 669 660 886 3615
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 586 637 659 685 1045 3612
313 Electric Lamp and Discharge Devices 609 630 613 705 967 3524
707 DP: Database and File Management or Data Structures (Data Processing) 435 478 504 783 1252 3452
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 461 475 497 686 1186 3305
029 Metal Working 745 636 529 560 775 3245
128 Surgery (includes Class 600) 619 553 488 564 958 3182
711 Memory (Electrical Computers and Digital Processing Systems) 600 551 681 591 665 3088
280 Land Vehicles 529 534 622 574 774 3033
702 DP: Measuring, Calibrating, or Testing (Data Processing) 677 606 554 525 637 2999
360 Dynamic Magnetic Information Storage or Retrieval 680 508 542 594 507 2831
700 DP: Generic Control Systems or Specific Applications (Data Processing) 636 475 417 388 592 2508
343 Communications: Radio Wave Antennas 521 440 511 489 517 2478
060 Power Plants 576 382 384 475 562 2379
341 Coded Data Generation or Conversion 428 427 502 433 466 2256
318 Electricity: Motive Power Systems 529 417 389 421 458 2214
710 Input/Output (Electrical Computers and Digital Processing Systems) 401 287 341 437 622 2088
180 Motor Vehicles 354 365 383 428 520 2050
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 430 411 404 344 428 2017
386 Motion Video Signal Processing for Recording or Reproducing 320 362 391 396 461 1930
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 251 233 387 364 678 1913
219 Electric Heating 548 391 312 271 354 1876
378 X-Ray or Gamma Ray Systems or Devices 349 296 340 387 452 1824
210 Liquid Purification or Separation 327 370 385 334 392 1808
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 348 309 344 329 468 1798
296 Land Vehicles: Bodies and Tops 365 318 336 329 422 1770
330 Amplifiers 322 324 368 354 398 1766
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 267 289 262 394 553 1765
396 Photography 170 137 293 520 618 1738
427 Coating Processes 221 289 269 346 566 1691
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 316 280 254 252 588 1690
398 Optical Communications 323 348 324 306 384 1685
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 369 285 305 264 454 1677
315 Electric Lamp and Discharge Devices: Systems 354 343 320 251 343 1611
381 Electrical Audio Signal Processing Systems and Devices 355 287 278 289 402 1611
372 Coherent Light Generators 312 212 279 338 454 1595
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 195 266 269 321 543 1594
062 Refrigeration 363 391 265 226 340 1585
604 Surgery (Medicators and Receptors) 256 249 270 283 497 1555
355 Photocopying 379 317 337 247 274 1554
174 Electricity: Conductors and Insulators 280 280 287 292 362 1501
074 Machine Element or Mechanism 284 265 267 269 345 1430
297 Chairs and Seats 305 243 263 282 333 1426
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 306 307 280 221 306 1420
333 Wave Transmission Lines and Networks 287 223 268 339 289 1406
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 200 263 296 282 345 1386
271 Sheet Feeding or Delivering 152 158 268 346 459 1383
252 Compositions 232 247 239 256 403 1377
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 267 252 292 268 294 1373
326 Electronic Digital Logic Circuitry 200 271 298 247 356 1372
423 Chemistry of Inorganic Compounds 259 173 208 278 422 1340
726 Information Security 130 179 243 295 427 1274
323 Electricity: Power Supply or Regulation Systems 204 220 193 287 341 1245
717 DP: Software Development, Installation, and Management (Data Processing) 200 196 208 242 394 1240
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 185 195 209 309 335 1233
379 Telephonic Communications 333 228 164 225 256 1206
106 Compositions: Coating or Plastic 210 254 223 198 302 1187
363 Electric Power Conversion Systems 222 194 208 252 306 1182
606 Surgery (instruments) 236 206 162 204 370 1178
200 Electricity: Circuit Makers and Breakers 265 239 205 236 229 1174
353 Optics: Image Projectors 271 262 217 168 249 1167
451 Abrading 371 259 170 163 168 1131
248 Supports (e.g., for holding articles, etc.) 144 198 183 258 318 1101
084 Music 168 189 224 236 280 1097
331 Oscillators 199 209 205 223 261 1097
137 Fluid Handling 286 250 175 153 221 1085
380 Cryptography 148 189 206 230 295 1068
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 224 196 183 158 282 1043
165 Heat Exchange 295 218 156 169 194 1032
720 Dynamic Optical Information Storage or Retrieval 245 222 228 177 147 1019
072 Metal Deforming 263 238 190 151 174 1016
320 Electricity: Battery or Capacitor Charging or Discharging 111 101 139 291 371 1013
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 180 182 147 197 301 1007
307 Electrical Transmission or Interconnection Systems 146 169 175 220 286 996
198 Conveyors: Power-Driven 169 169 187 174 258 957
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 175 185 162 167 268 957
415 Rotary Kinetic Fluid Motors or Pumps 200 197 162 158 211 928
384 Bearings 195 174 158 180 217 924
473 Games Using Tangible Projectile 221 205 155 156 186 923
351 Optics: Eye Examining, Vision Testing and Correcting 122 178 195 190 215 900
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 194 129 165 178 232 898
204 Chemistry: Electrical and Wave Energy 161 164 159 153 246 883
239 Fluid Sprinkling, Spraying, and Diffusing 252 146 149 125 197 869
206 Special Receptacle or Package 178 118 169 161 238 864
015 Brushing, Scrubbing, and General Cleaning 124 174 159 165 230 852
052 Static Structures (e.g., Buildings) 152 108 95 167 330 852
242 Winding, Tensioning, or Guiding 205 185 164 142 147 843
188 Brakes 179 172 175 122 156 804
053 Package Making 183 121 180 142 169 795
436 Chemistry: Analytical and Immunological Testing 106 131 165 148 245 795
475 Planetary Gear Transmission Systems or Components 154 162 146 175 158 795
101 Printing 230 148 149 122 141 790
033 Geometrical Instruments 145 157 154 164 169 789
148 Metal Treatment 128 126 141 149 231 775
417 Pumps 196 111 128 136 194 765
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 132 165 146 131 173 747
222 Dispensing (apparatus and process) 160 153 97 114 211 735
426 Food or Edible Material: Processes, Compositions, and Products 169 133 104 121 203 730
118 Coating Apparatus 120 112 146 141 205 724
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 148 118 97 141 207 711
725 Interactive Video Distribution Systems 109 64 77 195 265 710
708 Arithmetic Processing and Calculating (Electrical Computers) 157 112 132 131 149 681
134 Cleaning and Liquid Contact with Solids 111 125 116 125 202 679
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 112 108 132 140 185 677
336 Inductor Devices 131 126 141 98 180 676
463 Amusement Devices: Games 110 97 106 116 242 671
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 175 116 105 137 126 659
400 Typewriting Machines 184 153 114 91 105 647
477 Interrelated Power Delivery Controls, Including Engine Control 116 134 129 126 142 647
192 Clutches and Power-Stop Control 165 113 107 113 146 644
016 Miscellaneous Hardware 123 99 100 151 161 634
081 Tools 221 159 108 58 88 634
285 Pipe Joints or Couplings 106 81 139 129 174 629
482 Exercise Devices 129 102 110 102 174 617
055 Gas Separation 85 81 131 157 159 613
251 Valves and Valve Actuation 194 105 105 90 113 607
501 Compositions: Ceramic 121 112 103 134 132 602
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 111 128 154 98 106 597
216 Etching a Substrate: Processes 114 120 128 104 125 591
241 Solid Material Comminution or Disintegration 99 115 98 117 162 591
244 Aeronautics and Astronautics 105 100 84 117 184 590
416 Fluid Reaction Surfaces (i.e., Impellers) 117 139 101 107 125 589
368 Horology: Time Measuring Systems or Devices 108 100 131 115 130 584
162 Paper Making and Fiber Liberation 111 108 123 109 124 575
607 Surgery: Light, Thermal, and Electrical Application 115 114 92 101 139 561
414 Material or Article Handling 136 94 103 95 132 560
228 Metal Fusion Bonding 103 65 98 96 187 549
706 DP: Artificial Intelligence (Data Processing) 80 54 111 126 174 545
445 Electric Lamp or Space Discharge Component or Device Manufacturing 137 101 72 92 115 517
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 136 75 67 112 116 506
418 Rotary Expansible Chamber Devices 86 85 106 114 113 504
152 Resilient Tires and Wheels 117 108 88 87 102 502
290 Prime-Mover Dynamo Plants 77 75 114 114 114 494
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 79 88 107 99 119 492
175 Boring or Penetrating the Earth 96 103 91 70 124 484
474 Endless Belt Power Transmission Systems or Components 122 98 71 57 130 478
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 88 99 86 70 133 476
220 Receptacles 101 66 58 104 141 470
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 59 93 64 113 132 461
070 Locks 95 95 107 79 80 456
367 Communications, Electrical: Acoustic Wave Systems and Devices 45 64 124 90 125 448
024 Buckles, Buttons, Clasps, Etc. 100 85 92 78 89 444
374 Thermal Measuring and Testing 84 51 77 117 107 436
164 Metal Founding 142 90 54 57 89 432
292 Closure Fasteners 81 101 90 76 83 431
440 Marine Propulsion 93 106 99 82 49 429
099 Foods and Beverages: Apparatus 81 56 84 83 123 427
030 Cutlery 89 99 78 81 78 425
005 Beds 96 68 70 84 103 421
096 Gas Separation: Apparatus 53 68 88 102 110 421
303 Fluid-Pressure and Analogous Brake Systems 94 83 96 63 82 418
083 Cutting 112 74 76 63 91 416
405 Hydraulic and Earth Engineering 91 63 77 73 109 413
401 Coating Implements with Material Supply 101 77 83 62 81 404
095 Gas Separation: Processes 84 60 62 71 124 401
433 Dentistry 110 99 60 41 90 400
114 Ships 92 86 94 62 65 399
585 Chemistry of Hydrocarbon Compounds 57 90 89 80 80 396
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 55 43 86 79 108 371
173 Tool Driving or Impacting 78 57 83 62 85 365
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 104 79 54 47 79 363
403 Joints and Connections 85 58 76 66 73 358
312 Supports: Cabinet Structure 44 64 59 63 127 357
227 Elongated-Member-Driving Apparatus 93 58 64 61 80 356
065 Glass Manufacturing 96 51 63 48 95 353
270 Sheet-Material Associating 44 42 64 87 116 353
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 68 63 70 51 101 353
002 Apparel 86 52 61 40 112 351
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 65 42 55 65 115 342
034 Drying and Gas or Vapor Contact with Solids 100 52 96 49 44 341
119 Animal Husbandry 78 74 49 59 76 336
277 Seal for a Joint or Juncture 102 59 50 35 89 335
181 Acoustics 33 47 67 62 112 321
366 Agitating (e.g., of articles and materials) 65 50 78 50 73 316
068 Textiles: Fluid Treating Apparatus 25 55 73 83 79 315
138 Pipes and Tubular Conduits 96 36 45 72 66 315
208 Mineral Oils: Processes and Products 36 60 61 68 88 313
209 Classifying, Separating, and Assorting Solids 73 51 66 52 71 313
160 Flexible or Portable Closure, Partition, or Panel 63 62 50 45 86 306
092 Expansible Chamber Devices 56 79 63 46 60 304
049 Movable or Removable Closures 72 36 38 63 83 292
267 Spring Devices 75 65 62 39 47 288
036 Boots, Shoes, and Leggings 59 53 56 49 63 280
409 Gear Cutting, Milling, or Planing 61 86 52 42 33 274
139 Textiles: Weaving 82 31 47 61 51 272
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 39 38 47 47 99 270
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 66 56 36 32 76 266
056 Harvesters 52 43 53 52 63 263
261 Gas and Liquid Contact Apparatus 49 56 46 52 54 257
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 45 41 69 45 53 253
040 Card, Picture, or Sign Exhibiting 25 53 53 53 66 250
504 Plant Protecting and Regulating Compositions 58 36 35 43 71 243
408 Cutting by Use of Rotating Axially Moving Tool 55 52 49 45 41 242
004 Baths, Closets, Sinks, and Spittoons 68 56 32 25 60 241
338 Electrical Resistors 55 39 33 41 70 238
066 Textiles: Knitting 55 49 37 43 52 236
112 Sewing 57 49 46 43 39 234
601 Surgery: Kinesitherapy 47 46 34 43 63 233
294 Handling: Hand and Hoist-Line Implements 41 46 36 54 55 232
407 Cutters, for Shaping 44 39 45 56 46 230
273 Amusement Devices: Games 40 41 38 49 60 228
102 Ammunition and Explosives 43 35 40 42 58 218
392 Electric Resistance Heating Devices 59 41 33 37 44 214
254 Implements or Apparatus for Applying Pushing or Pulling Force 41 36 53 41 40 211
602 Surgery: Splint, Brace, or Bandage 39 41 37 34 60 211
177 Weighing Scales 51 38 44 36 39 208
446 Amusement Devices: Toys 42 41 43 37 45 208
454 Ventilation 48 42 34 45 38 207
266 Metallurgical Apparatus 18 26 40 50 66 200
057 Textiles: Spinning, Twisting, and Twining 59 28 42 24 42 195
091 Motors: Expansible Chamber Type 49 56 35 32 23 195
404 Road Structure, Process, or Apparatus 41 43 32 47 30 193
089 Ordnance 30 43 26 40 52 191
136 Batteries: Thermoelectric and Photoelectric 22 32 27 23 87 191
144 Woodworking 51 35 32 28 45 191
211 Supports: Racks 53 47 26 15 49 190
100 Presses 60 33 50 25 21 189
322 Electricity: Single Generator Systems 35 51 30 45 26 187
132 Toilet 45 37 29 38 36 185
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 24 26 22 36 75 183
126 Stoves and Furnaces 30 31 26 29 64 180
037 Excavating 36 26 16 46 55 179
452 Butchering 33 33 29 38 43 176
431 Combustion 47 27 21 39 37 171
215 Bottles and Jars 45 21 22 34 45 167
048 Gas: Heating and Illuminating 27 27 33 36 40 163
337 Electricity: Electrothermally or Thermally Actuated Switches 38 27 25 33 36 159
042 Firearms 27 24 27 37 43 158
047 Plant Husbandry 31 29 16 31 51 158
135 Tent, Canopy, Umbrella, or Cane 24 36 38 35 25 158
301 Land Vehicles: Wheels and Axles 37 25 35 32 22 151
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 37 26 30 27 25 145
108 Horizontally Supported Planar Surfaces 37 15 21 25 46 144
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 16 21 28 34 44 143
104 Railways 13 20 25 36 46 140
221 Article Dispensing 35 25 25 22 33 140
269 Work Holders 36 23 28 19 31 137
293 Vehicle Fenders 23 29 30 25 29 136
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 16 17 17 33 52 135
419 Powder Metallurgy Processes 29 24 20 20 41 134
434 Education and Demonstration 45 19 24 12 29 129
082 Turning (e.g., for metal working) 31 15 21 26 35 128
236 Automatic Temperature and Humidity Regulation 27 25 12 14 47 125
044 Fuel and Related Compositions 12 21 31 29 31 124
194 Check-Actuated Control Mechanisms 20 20 12 25 46 123
212 Traversing Hoists 17 27 28 24 27 123
124 Mechanical Guns and Projectors 9 25 19 30 39 122
432 Heating 23 20 25 23 31 122
507 Earth Boring, Well Treating, and Oil Field Chemistry 12 19 19 24 48 122
019 Textiles: Fiber Preparation 22 11 21 26 36 116
229 Envelopes, Wrappers, and Paperboard Boxes 25 20 21 19 31 116
059 Chain, Staple, and Horseshoe Making 18 20 26 28 22 114
420 Alloys or Metallic Compositions 13 14 19 31 36 113
332 Modulators 16 23 15 20 38 112
028 Textiles: Manufacturing 22 24 29 18 18 111
203 Distillation: Processes, Separatory 24 22 20 30 15 111
494 Imperforate Bowl: Centrifugal Separators 33 22 23 14 19 111
105 Railway Rolling Stock 20 18 20 22 30 110
410 Freight Accommodation On Freight Carrier 31 17 21 19 20 108
122 Liquid Heaters and Vaporizers 18 18 21 26 21 104
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 26 16 16 14 32 104
172 Earth Working 25 15 12 21 30 103
376 Induced Nuclear Reactions: Processes, Systems, and Elements 13 17 22 15 35 102
038 Textiles: Ironing or Smoothing 27 15 20 16 21 99
111 Planting 17 22 20 19 21 99
483 Tool Changing 26 26 22 17 8 99
224 Package and Article Carriers 19 26 15 15 22 97
441 Buoys, Rafts, and Aquatic Devices 24 21 14 15 21 95
512 Perfume Compositions 17 24 10 15 27 93
131 Tobacco 10 21 13 18 29 91
184 Lubrication 16 18 19 10 26 89
305 Wheel Substitutes for Land Vehicles 20 18 13 13 24 88
110 Furnaces 28 15 12 7 24 86
116 Signals and Indicators 14 10 19 18 25 86
299 Mining or In Situ Disintegration of Hard Material 13 12 27 18 16 86
043 Fishing, Trapping, and Vermin Destroying 21 16 12 17 18 84
014 Bridges 17 14 13 17 22 83
383 Flexible Bags 14 17 11 15 24 81
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 17 14 10 11 28 80
279 Chucks or Sockets 14 23 13 11 19 80
182 Fire Escape, Ladder, or Scaffold 33 16 5 9 15 78
505 Superconductor Technology: Apparatus, Material, Process 12 11 7 20 28 78
249 Static Molds 20 16 9 12 18 75
051 Abrasive Tool Making Process, Material, or Composition 17 17 13 12 13 72
125 Stone Working 28 14 14 7 8 71
450 Foundation Garments 12 15 21 10 13 71
453 Coin Handling 16 14 12 11 11 64
460 Crop Threshing or Separating 22 13 6 8 14 63
406 Conveyors: Fluid Current 10 9 14 17 12 62
492 Roll or Roller 9 12 8 14 19 62
169 Fire Extinguishers 18 10 11 6 15 60
329 Demodulators 11 7 10 15 17 60
476 Friction Gear Transmission Systems or Components 15 14 10 14 6 59
223 Apparel Apparatus 13 10 11 8 15 57
283 Printed Matter 8 6 11 9 23 57
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 4 7 8 12 23 54
588 Hazardous or Toxic Waste Destruction or Containment 12 7 6 9 19 53
472 Amusement Devices 9 5 10 4 24 52
071 Chemistry: Fertilizers 5 6 10 5 22 48
412 Bookbinding: Process and Apparatus 2 6 8 8 22 46
157 Wheelwright Machines 7 11 8 10 9 45
202 Distillation: Apparatus 9 5 9 11 11 45
388 Electricity: Motor Control Systems 8 6 10 7 13 44
226 Advancing Material of Indeterminate Length 7 13 12 3 8 43
256 Fences 4 5 13 10 11 43
063 Jewelry 9 9 11 6 7 42
225 Severing by Tearing or Breaking 14 4 6 8 10 42
246 Railway Switches and Signals 9 14 4 9 5 41
238 Railways: Surface Track 7 4 4 4 20 39
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 0 0 4 6 29 39
237 Heating Systems 15 4 8 3 7 37
190 Trunks and Hand-Carried Luggage 4 8 6 7 10 35
140 Wireworking 13 8 6 3 4 34
193 Conveyors, Chutes, Skids, Guides, and Ways 4 9 5 11 5 34
054 Harness for Working Animal 7 10 5 7 2 31
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 3 1 1 7 19 31
300 Brush, Broom, and Mop Making 2 6 8 8 5 29
001 ** Classification Undetermined ** 2 7 3 5 11 28
149 Explosive and Thermic Compositions or Charges 6 0 3 5 14 28
352 Optics: Motion Pictures 5 8 4 4 7 28
087 Textiles: Braiding, Netting, and Lace Making 7 8 4 2 6 27
191 Electricity: Transmission To Vehicles 6 4 0 7 10 27
007 Compound Hand Tools 11 9 1 1 3 25
127 Sugar, Starch, and Carbohydrates 8 6 3 2 6 25
023 Chemistry: Physical Processes 4 0 5 7 7 23
027 Undertaking 3 5 4 6 5 23
076 Metal Tools and Implements, Making 6 4 5 7 1 23
159 Concentrating Evaporators 6 3 2 4 5 20
232 Deposit and Collection Receptacles 1 6 5 2 6 20
373 Industrial Electric Heating Furnaces 10 4 2 1 3 20
213 Railway Draft Appliances 2 1 4 6 6 19
281 Books, Strips, and Leaves 6 4 2 2 5 19
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 3 3 9 3 1 19
086 Ammunition and Explosive-Charge Making 1 5 5 2 5 18
026 Textiles: Cloth Finishing 3 5 2 3 3 16
178 Telegraphy 8 3 1 0 4 16
109 Safes, Bank Protection, or a Related Device 3 4 3 2 3 15
012 Boot and Shoe Making 2 1 4 3 4 14
201 Distillation: Processes, Thermolytic 4 0 2 2 6 14
413 Sheet Metal Container Making 4 1 4 0 2 11
150 Purses, Wallets, and Protective Covers 1 3 0 2 4 10
234 Selective Cutting (e.g., Punching) 6 1 2 0 1 10
069 Leather Manufactures 0 0 1 3 5 9
260 Chemistry of Carbon Compounds 0 1 5 1 2 9
298 Land Vehicles: Dumping 2 2 1 1 3 9
334 Tuners 2 0 1 2 4 9
168 Farriery 0 2 1 3 1 7
196 Mineral Oils: Apparatus 1 0 0 3 1 5
289 Knots and Knot Tying 0 3 0 2 0 5
449 Bee Culture (propagating, raising, caring for bees) 0 0 2 1 2 5
245 Wire Fabrics and Structure 2 1 1 0 0 4
295 Railway Wheels and Axles 0 0 0 1 3 4
079 Button Making 1 0 0 1 1 3
171 Unearthing Plants or Buried Objects 1 0 0 0 2 3
185 Motors: Spring, Weight, or Animal Powered 0 0 0 2 1 3
186 Merchandising 0 3 0 0 0 3
231 Whips and Whip Apparatus 0 0 1 0 1 2
314 Electric Lamp and Discharge Devices: Consumable Electrodes 1 0 0 1 0 2
346 Recorders 0 1 0 1 0 2
462 Books, Strips, and Leaves for Manifolding 1 0 1 0 0 2
291 Track Sanders 0 0 1 0 0 1
ALL ALL CLASSES 83949 77756 80270 84967 111822 438764

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