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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 COUNTRIES

( 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
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 5477 5017 4756 5287 7492 28029
438 Semiconductor Device Manufacturing: Process 4810 4495 4519 4906 6123 24853
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 4493 4306 4112 4669 6877 24457
370 Multiplex Communications 3808 3174 4513 5282 7381 24158
455 Telecommunications 4067 3501 3115 3358 4280 18321
709 Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) 2426 2355 2677 3285 4629 15372
435 Chemistry: Molecular Biology and Microbiology 3107 2920 2682 2704 3709 15122
532 Organic Compounds (includes Classes 532-570) 2873 2430 2625 2762 3209 13899
345 Computer Graphics Processing and Selective Visual Display Systems 2936 2476 2334 2571 3299 13616
382 Image Analysis 2302 2158 2421 2615 3338 12834
707 DP: Database and File Management or Data Structures (Data Processing) 1804 1694 1917 2864 4442 12721
375 Pulse or Digital Communications 2383 2121 2267 2271 3006 12048
365 Static Information Storage and Retrieval 2173 2295 2326 2379 2722 11895
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 2449 2081 1762 1917 3009 11218
250 Radiant Energy 2280 1998 2205 2178 2271 10932
439 Electrical Connectors 2287 1935 2173 2068 2392 10855
359 Optical: Systems and Elements 2364 2014 2055 2023 2364 10820
361 Electricity: Electrical Systems and Devices 1711 1889 2001 2119 2492 10212
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 1262 1168 1678 1960 4026 10094
714 Error Detection/Correction and Fault Detection/Recovery 1780 1889 1951 2090 2378 10088
340 Communications: Electrical 2218 1715 1897 1865 2197 9892
428 Stock Material or Miscellaneous Articles 1950 1860 1584 1702 2483 9579
073 Measuring and Testing 1915 1787 1912 1724 1926 9264
713 Support (Electrical Computers and Digital Processing Systems) 1644 1640 1850 1865 2238 9237
324 Electricity: Measuring and Testing 1949 1797 1692 1734 1966 9138
128 Surgery (includes Class 600) 1825 1588 1396 1638 2637 9084
348 Television 1594 1368 1624 1938 2330 8854
347 Incremental Printing of Symbolic Information 1483 1554 1826 1677 2263 8803
711 Memory (Electrical Computers and Digital Processing Systems) 1732 1470 1737 1602 1752 8293
385 Optical Waveguides 1972 1809 1615 1314 1248 7958
356 Optics: Measuring and Testing 1384 1539 1661 1575 1703 7862
702 DP: Measuring, Calibrating, or Testing (Data Processing) 1708 1515 1407 1302 1535 7467
123 Internal-Combustion Engines 1830 1629 1503 1135 1275 7372
358 Facsimile and Static Presentation Processing 1349 1287 1351 1450 1680 7117
362 Illumination 1257 1372 1194 1344 1814 6981
399 Electrophotography 1172 1245 1297 1298 1748 6760
029 Metal Working 1494 1247 1029 1117 1489 6376
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 1081 1132 1146 1200 1791 6350
280 Land Vehicles 1135 1162 1217 1170 1571 6255
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 1291 1173 1034 1235 1510 6243
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 1034 1013 1026 1343 1710 6126
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 1332 1150 1109 1128 1383 6102
360 Dynamic Magnetic Information Storage or Retrieval 1470 1132 1082 1133 1057 5874
349 Liquid Crystal Cells, Elements and Systems 950 839 995 1407 1678 5869
369 Dynamic Information Storage or Retrieval 1192 1160 1144 1049 1295 5840
606 Surgery (instruments) 1063 986 760 1007 1873 5689
310 Electrical Generator or Motor Structure 1049 914 966 1205 1396 5530
710 Input/Output (Electrical Computers and Digital Processing Systems) 1143 811 907 1089 1421 5371
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 1040 1025 1079 1015 1188 5347
700 DP: Generic Control Systems or Specific Applications (Data Processing) 1303 973 902 850 1264 5292
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 788 763 746 992 1704 4993
604 Surgery (Medicators and Receptors) 848 735 748 907 1718 4956
210 Liquid Purification or Separation 873 970 925 844 1007 4619
060 Power Plants 1092 755 706 906 1146 4605
379 Telephonic Communications 1253 903 701 780 932 4569
717 DP: Software Development, Installation, and Management (Data Processing) 763 716 711 828 1313 4331
313 Electric Lamp and Discharge Devices 769 762 719 825 1134 4209
726 Information Security 507 610 709 981 1364 4171
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 853 768 802 762 964 4149
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 748 877 900 746 834 4105
716 Computer-Aided Design and Analysis of Circuits and Semiconductor Masks 844 733 825 789 906 4097
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 838 753 742 691 1061 4085
343 Communications: Radio Wave Antennas 893 728 808 784 833 4046
341 Coded Data Generation or Conversion 816 803 881 744 795 4039
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 682 799 685 841 983 3990
296 Land Vehicles: Bodies and Tops 819 744 701 660 860 3784
219 Electric Heating 1021 797 573 486 665 3542
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 482 623 614 691 1132 3542
427 Coating Processes 481 579 555 724 1113 3452
607 Surgery: Light, Thermal, and Electrical Application 698 701 471 607 969 3446
062 Refrigeration 795 831 556 480 696 3358
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 645 539 503 524 1113 3324
180 Motor Vehicles 577 587 609 680 863 3316
378 X-Ray or Gamma Ray Systems or Devices 632 565 608 698 745 3248
318 Electricity: Motive Power Systems 776 619 581 612 642 3230
330 Amplifiers 651 651 638 612 666 3218
398 Optical Communications 615 648 598 634 711 3206
174 Electricity: Conductors and Insulators 653 638 623 620 671 3205
326 Electronic Digital Logic Circuitry 550 665 657 578 746 3196
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 729 612 551 482 796 3170
473 Games Using Tangible Projectile 715 638 531 545 734 3163
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 632 539 448 612 926 3157
052 Static Structures (e.g., Buildings) 560 438 398 601 1107 3104
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 512 494 538 684 703 2931
297 Chairs and Seats 625 504 547 546 674 2896
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 646 482 510 563 693 2894
372 Coherent Light Generators 590 413 487 577 726 2793
248 Supports (e.g., for holding articles, etc.) 464 500 419 597 806 2786
381 Electrical Audio Signal Processing Systems and Devices 623 518 465 488 673 2767
423 Chemistry of Inorganic Compounds 496 367 409 537 802 2611
137 Fluid Handling 677 539 442 407 528 2593
315 Electric Lamp and Discharge Devices: Systems 574 534 499 418 517 2542
206 Special Receptacle or Package 490 383 524 445 631 2473
386 Motion Video Signal Processing for Recording or Reproducing 395 479 486 484 550 2394
252 Compositions 440 420 435 432 642 2369
482 Exercise Devices 459 348 360 458 650 2275
333 Wave Transmission Lines and Networks 482 397 425 490 479 2273
451 Abrading 805 518 319 292 296 2230
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 501 500 414 351 461 2227
380 Cryptography 367 410 372 487 582 2218
463 Amusement Devices: Games 309 315 413 379 801 2217
323 Electricity: Power Supply or Regulation Systems 395 384 371 488 572 2210
436 Chemistry: Analytical and Immunological Testing 315 390 420 428 648 2201
084 Music 316 374 422 482 557 2151
396 Photography 228 186 364 612 746 2136
015 Brushing, Scrubbing, and General Cleaning 339 434 391 381 576 2121
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 374 351 424 405 530 2084
725 Interactive Video Distribution Systems 352 261 233 494 722 2062
331 Oscillators 379 396 376 407 448 2006
106 Compositions: Coating or Plastic 369 408 364 327 507 1975
074 Machine Element or Mechanism 387 385 340 375 470 1957
239 Fluid Sprinkling, Spraying, and Diffusing 555 357 291 293 447 1943
033 Geometrical Instruments 379 411 380 374 394 1938
706 DP: Artificial Intelligence (Data Processing) 246 205 348 473 637 1909
351 Optics: Eye Examining, Vision Testing and Correcting 294 362 415 379 437 1887
307 Electrical Transmission or Interconnection Systems 285 286 316 430 553 1870
355 Photocopying 468 391 397 282 319 1857
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 346 337 282 371 519 1855
363 Electric Power Conversion Systems 350 307 329 395 472 1853
244 Aeronautics and Astronautics 369 344 280 358 483 1834
204 Chemistry: Electrical and Wave Energy 339 349 315 310 481 1794
271 Sheet Feeding or Delivering 215 215 338 436 560 1764
198 Conveyors: Power-Driven 341 340 332 315 422 1750
200 Electricity: Circuit Makers and Breakers 414 341 324 350 319 1748
005 Beds 387 278 350 330 402 1747
222 Dispensing (apparatus and process) 413 340 236 264 487 1740
320 Electricity: Battery or Capacitor Charging or Discharging 183 183 245 500 618 1729
415 Rotary Kinetic Fluid Motors or Pumps 394 333 285 298 406 1716
165 Heat Exchange 543 359 252 251 306 1711
353 Optics: Image Projectors 402 381 340 249 315 1687
426 Food or Edible Material: Processes, Compositions, and Products 400 321 241 285 438 1685
072 Metal Deforming 458 385 307 258 272 1680
053 Package Making 352 247 356 308 321 1584
475 Planetary Gear Transmission Systems or Components 308 341 280 297 347 1573
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 288 178 333 361 391 1551
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 365 271 272 296 328 1532
134 Cleaning and Liquid Contact with Solids 272 284 263 287 389 1495
708 Arithmetic Processing and Calculating (Electrical Computers) 360 234 304 280 313 1491
175 Boring or Penetrating the Earth 274 264 278 256 384 1456
002 Apparel 380 237 217 173 401 1408
242 Winding, Tensioning, or Guiding 339 314 290 223 235 1401
119 Animal Husbandry 325 293 232 229 305 1384
417 Pumps 355 228 228 244 311 1366
220 Receptacles 285 213 186 291 387 1362
118 Coating Apparatus 256 225 255 257 355 1348
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 256 187 220 261 410 1334
416 Fluid Reaction Surfaces (i.e., Impellers) 254 267 237 255 306 1319
414 Material or Article Handling 300 238 224 244 304 1310
114 Ships 330 292 259 201 212 1294
405 Hydraulic and Earth Engineering 327 208 243 228 287 1293
285 Pipe Joints or Couplings 251 161 276 269 320 1277
081 Tools 416 337 205 115 195 1268
188 Brakes 300 261 240 211 230 1242
251 Valves and Valve Actuation 382 209 179 174 223 1167
241 Solid Material Comminution or Disintegration 201 236 187 238 302 1164
384 Bearings 253 213 209 224 262 1161
055 Gas Separation 146 179 252 276 305 1158
273 Amusement Devices: Games 218 230 222 228 260 1158
148 Metal Treatment 202 190 198 227 337 1154
290 Prime-Mover Dynamo Plants 199 193 239 249 261 1141
720 Dynamic Optical Information Storage or Retrieval 270 233 254 198 167 1122
101 Printing 351 204 200 167 192 1114
216 Etching a Substrate: Processes 239 228 232 197 212 1108
585 Chemistry of Hydrocarbon Compounds 160 223 242 230 248 1103
162 Paper Making and Fiber Liberation 208 202 200 191 268 1069
095 Gas Separation: Processes 210 163 210 189 296 1068
433 Dentistry 315 257 170 105 212 1059
367 Communications, Electrical: Acoustic Wave Systems and Devices 142 180 239 217 276 1054
036 Boots, Shoes, and Leggings 214 175 203 184 272 1048
336 Inductor Devices 222 204 185 152 256 1019
040 Card, Picture, or Sign Exhibiting 173 203 220 184 235 1015
228 Metal Fusion Bonding 191 136 199 176 313 1015
016 Miscellaneous Hardware 231 165 145 215 258 1014
024 Buckles, Buttons, Clasps, Etc. 223 200 200 181 204 1008
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 202 201 175 176 254 1008
192 Clutches and Power-Stop Control 259 191 174 162 214 1000
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 194 205 180 180 235 994
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 274 230 133 143 209 989
030 Cutlery 229 199 163 170 204 965
083 Cutting 272 174 142 157 213 958
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 240 153 135 188 230 946
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 183 204 221 148 160 916
477 Interrelated Power Delivery Controls, Including Engine Control 157 184 170 183 215 909
070 Locks 200 178 204 153 158 893
400 Typewriting Machines 261 212 153 122 142 890
374 Thermal Measuring and Testing 176 100 164 217 221 878
292 Closure Fasteners 182 194 171 151 170 868
368 Horology: Time Measuring Systems or Devices 175 152 197 151 191 866
501 Compositions: Ceramic 177 149 135 190 209 860
099 Foods and Beverages: Apparatus 174 112 167 161 239 853
211 Supports: Racks 227 193 112 107 201 840
004 Baths, Closets, Sinks, and Spittoons 219 181 138 111 189 838
208 Mineral Oils: Processes and Products 116 140 163 165 245 829
227 Elongated-Member-Driving Apparatus 175 130 142 159 223 829
401 Coating Implements with Material Supply 195 173 161 128 162 819
602 Surgery: Splint, Brace, or Bandage 176 131 115 149 226 797
056 Harvesters 165 118 140 156 216 795
440 Marine Propulsion 188 183 168 140 107 786
096 Gas Separation: Apparatus 107 128 151 190 206 782
164 Metal Founding 233 182 104 105 151 775
366 Agitating (e.g., of articles and materials) 147 156 182 125 163 773
043 Fishing, Trapping, and Vermin Destroying 169 139 130 131 195 764
404 Road Structure, Process, or Apparatus 174 148 139 143 159 763
042 Firearms 130 127 133 135 212 737
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 101 135 122 173 204 735
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 100 108 127 145 248 728
446 Amusement Devices: Toys 153 137 127 122 181 720
294 Handling: Hand and Hoist-Line Implements 141 149 121 129 162 702
152 Resilient Tires and Wheels 172 147 125 120 134 698
102 Ammunition and Explosives 141 110 140 132 171 694
160 Flexible or Portable Closure, Partition, or Panel 162 138 98 112 179 689
312 Supports: Cabinet Structure 130 121 113 113 208 685
209 Classifying, Separating, and Assorting Solids 142 126 144 113 152 677
181 Acoustics 70 110 142 151 202 675
434 Education and Demonstration 183 142 110 105 130 670
418 Rotary Expansible Chamber Devices 122 121 133 147 145 668
445 Electric Lamp or Space Discharge Component or Device Manufacturing 185 123 94 119 143 664
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 112 128 130 132 146 648
474 Endless Belt Power Transmission Systems or Components 168 128 92 82 175 645
254 Implements or Apparatus for Applying Pushing or Pulling Force 148 123 138 112 122 643
277 Seal for a Joint or Juncture 187 107 111 68 157 630
303 Fluid-Pressure and Analogous Brake Systems 140 117 142 95 131 625
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 158 121 96 79 169 623
403 Joints and Connections 141 99 132 110 131 613
089 Ordnance 84 96 104 133 185 602
138 Pipes and Tubular Conduits 150 88 89 137 134 598
034 Drying and Gas or Vapor Contact with Solids 186 92 156 75 82 591
065 Glass Manufacturing 139 96 103 84 146 568
601 Surgery: Kinesitherapy 122 125 111 91 118 567
049 Movable or Removable Closures 139 79 87 110 149 564
173 Tool Driving or Impacting 123 83 109 93 125 533
261 Gas and Liquid Contact Apparatus 117 108 98 103 103 529
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 103 86 136 93 103 521
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 123 86 103 81 127 520
047 Plant Husbandry 107 82 48 105 168 510
507 Earth Boring, Well Treating, and Oil Field Chemistry 69 75 66 118 181 509
135 Tent, Canopy, Umbrella, or Cane 77 102 89 116 123 507
221 Article Dispensing 142 99 81 73 111 506
092 Expansible Chamber Devices 99 127 103 75 86 490
037 Excavating 95 67 42 115 169 488
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 58 67 75 100 184 484
224 Package and Article Carriers 108 96 85 60 132 481
408 Cutting by Use of Rotating Axially Moving Tool 121 105 81 89 80 476
136 Batteries: Thermoelectric and Photoelectric 57 78 59 82 196 472
108 Horizontally Supported Planar Surfaces 118 64 71 88 130 471
215 Bottles and Jars 116 79 69 83 123 470
124 Mechanical Guns and Projectors 71 93 76 80 146 466
229 Envelopes, Wrappers, and Paperboard Boxes 76 83 77 90 137 463
267 Spring Devices 113 99 102 65 76 455
454 Ventilation 114 79 71 98 87 449
132 Toilet 93 113 71 81 87 445
452 Butchering 95 83 84 89 91 442
431 Combustion 102 77 57 101 103 440
126 Stoves and Furnaces 78 61 61 70 169 439
144 Woodworking 108 74 83 65 109 439
392 Electric Resistance Heating Devices 125 99 57 63 94 438
270 Sheet-Material Associating 54 48 75 119 139 435
410 Freight Accommodation On Freight Carrier 98 78 83 72 93 424
068 Textiles: Fluid Treating Apparatus 35 72 93 113 105 418
409 Gear Cutting, Milling, or Planing 97 121 82 63 51 414
182 Fire Escape, Ladder, or Scaffold 144 94 47 33 78 396
100 Presses 107 73 97 54 51 382
441 Buoys, Rafts, and Aquatic Devices 101 85 65 51 69 371
112 Sewing 89 71 76 69 65 370
177 Weighing Scales 85 83 68 71 63 370
338 Electrical Resistors 97 68 47 49 97 358
139 Textiles: Weaving 102 43 55 80 69 349
301 Land Vehicles: Wheels and Axles 90 57 75 63 64 349
048 Gas: Heating and Illuminating 51 60 69 81 86 347
172 Earth Working 89 45 37 70 100 341
504 Plant Protecting and Regulating Compositions 85 54 46 56 93 334
066 Textiles: Knitting 79 60 49 72 73 333
407 Cutters, for Shaping 73 58 65 77 57 330
044 Fuel and Related Compositions 28 58 66 81 93 326
322 Electricity: Single Generator Systems 66 75 62 75 48 326
236 Automatic Temperature and Humidity Regulation 63 69 41 47 105 325
266 Metallurgical Apparatus 36 45 57 84 88 310
269 Work Holders 89 64 52 34 69 308
111 Planting 59 57 59 61 70 306
116 Signals and Indicators 48 48 57 63 82 298
383 Flexible Bags 68 61 45 55 63 292
091 Motors: Expansible Chamber Type 79 80 48 49 34 290
104 Railways 33 41 51 66 86 277
057 Textiles: Spinning, Twisting, and Twining 75 48 57 40 52 272
293 Vehicle Fenders 54 60 56 52 48 270
105 Railway Rolling Stock 49 42 47 54 73 265
169 Fire Extinguishers 58 40 50 35 80 263
337 Electricity: Electrothermally or Thermally Actuated Switches 46 40 49 58 61 254
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 36 37 31 55 92 251
131 Tobacco 30 48 34 43 95 250
122 Liquid Heaters and Vaporizers 46 43 51 56 51 247
419 Powder Metallurgy Processes 42 40 43 48 71 244
376 Induced Nuclear Reactions: Processes, Systems, and Elements 36 28 40 61 70 235
256 Fences 54 34 48 53 44 233
082 Turning (e.g., for metal working) 49 30 38 52 63 232
299 Mining or In Situ Disintegration of Hard Material 36 29 67 43 43 218
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 57 44 40 32 40 213
450 Foundation Garments 42 43 43 35 48 211
472 Amusement Devices 37 30 36 25 80 208
110 Furnaces 61 33 32 22 51 199
223 Apparel Apparatus 39 53 43 21 43 199
212 Traversing Hoists 34 37 45 42 40 198
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 60 36 33 20 47 196
014 Bridges 44 39 31 40 37 191
194 Check-Actuated Control Mechanisms 36 31 18 36 68 189
249 Static Molds 57 46 23 27 36 189
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 31 27 37 41 50 186
494 Imperforate Bowl: Centrifugal Separators 54 32 37 29 33 185
432 Heating 38 32 40 30 44 184
028 Textiles: Manufacturing 45 42 38 33 24 182
232 Deposit and Collection Receptacles 37 52 42 22 22 175
184 Lubrication 41 34 31 18 50 174
063 Jewelry 40 38 37 25 29 169
460 Crop Threshing or Separating 38 33 26 34 38 169
332 Modulators 25 29 18 32 64 168
203 Distillation: Processes, Separatory 35 31 33 40 28 167
051 Abrasive Tool Making Process, Material, or Composition 31 45 29 40 21 166
420 Alloys or Metallic Compositions 18 17 32 38 60 165
125 Stone Working 62 30 30 13 29 164
059 Chain, Staple, and Horseshoe Making 30 28 34 34 26 152
283 Printed Matter 31 24 30 18 46 149
019 Textiles: Fiber Preparation 28 15 27 32 46 148
406 Conveyors: Fluid Current 33 28 27 30 30 148
038 Textiles: Ironing or Smoothing 39 27 26 22 30 144
279 Chucks or Sockets 23 34 29 24 34 144
505 Superconductor Technology: Apparatus, Material, Process 23 20 14 33 52 142
512 Perfume Compositions 29 34 18 22 39 142
588 Hazardous or Toxic Waste Destruction or Containment 28 22 20 28 42 140
305 Wheel Substitutes for Land Vehicles 27 28 26 20 38 139
027 Undertaking 13 42 33 23 22 133
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 30 22 14 23 36 125
054 Harness for Working Animal 27 34 25 25 9 120
246 Railway Switches and Signals 26 26 19 20 27 118
483 Tool Changing 27 29 28 21 12 117
190 Trunks and Hand-Carried Luggage 31 22 21 20 19 113
506 Combinatorial Chemistry Technology: Method, Library, Apparatus 0 0 23 28 61 112
476 Friction Gear Transmission Systems or Components 32 28 21 15 14 110
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 16 16 16 20 39 107
007 Compound Hand Tools 39 29 10 13 15 106
202 Distillation: Apparatus 23 15 21 22 25 106
071 Chemistry: Fertilizers 12 11 14 18 47 102
225 Severing by Tearing or Breaking 31 17 12 14 19 93
149 Explosive and Thermic Compositions or Charges 25 2 8 14 40 89
150 Purses, Wallets, and Protective Covers 13 17 10 24 25 89
001 ** Classification Undetermined ** 13 22 11 9 33 88
140 Wireworking 33 22 19 7 7 88
238 Railways: Surface Track 19 10 14 10 34 87
492 Roll or Roller 15 17 12 18 25 87
157 Wheelwright Machines 14 20 18 17 15 84
193 Conveyors, Chutes, Skids, Guides, and Ways 19 16 15 19 15 84
453 Coin Handling 20 17 14 16 16 83
329 Demodulators 16 9 16 21 19 81
412 Bookbinding: Process and Apparatus 8 9 13 15 34 79
352 Optics: Motion Pictures 23 17 12 11 13 76
281 Books, Strips, and Leaves 15 8 13 10 28 74
086 Ammunition and Explosive-Charge Making 15 12 14 14 18 73
226 Advancing Material of Indeterminate Length 16 21 18 5 10 70
388 Electricity: Motor Control Systems 13 10 14 11 18 66
213 Railway Draft Appliances 9 9 10 15 19 62
373 Industrial Electric Heating Furnaces 24 13 11 3 10 61
237 Heating Systems 26 7 11 5 11 60
076 Metal Tools and Implements, Making 9 16 8 11 14 58
298 Land Vehicles: Dumping 13 11 12 6 16 58
850 Scanning-Probe Techniques or Apparatus; Applications of Scanning-Probe Techniques, e.g., Scanning Probe Microscopy [Spm] 4 1 1 12 36 54
012 Boot and Shoe Making 9 6 11 9 17 52
127 Sugar, Starch, and Carbohydrates 11 12 5 6 15 49
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 14 6 16 6 6 48
191 Electricity: Transmission To Vehicles 12 5 2 11 10 40
201 Distillation: Processes, Thermolytic 9 0 5 9 16 39
087 Textiles: Braiding, Netting, and Lace Making 8 11 7 3 9 38
023 Chemistry: Physical Processes 6 4 7 9 11 37
300 Brush, Broom, and Mop Making 3 6 8 8 10 35
026 Textiles: Cloth Finishing 6 9 4 4 9 32
159 Concentrating Evaporators 7 5 4 7 9 32
109 Safes, Bank Protection, or a Related Device 5 6 7 4 7 29
168 Farriery 3 5 6 9 3 26
178 Telegraphy 10 5 2 1 5 23
289 Knots and Knot Tying 3 5 4 7 3 22
186 Merchandising 3 8 3 4 3 21
413 Sheet Metal Container Making 7 4 6 1 2 20
171 Unearthing Plants or Buried Objects 6 1 1 2 7 17
334 Tuners 4 1 2 3 5 15
449 Bee Culture (propagating, raising, caring for bees) 4 1 3 4 3 15
234 Selective Cutting (e.g., Punching) 8 1 3 0 2 14
346 Recorders 4 4 2 1 1 12
069 Leather Manufactures 0 1 1 4 5 11
260 Chemistry of Carbon Compounds 0 1 5 3 2 11
196 Mineral Oils: Apparatus 2 0 2 4 2 10
217 Wooden Receptacles 1 0 2 0 3 6
231 Whips and Whip Apparatus 0 0 3 1 2 6
291 Track Sanders 1 1 1 2 1 6
295 Railway Wheels and Axles 0 1 1 1 3 6
185 Motors: Spring, Weight, or Animal Powered 1 0 0 2 2 5
245 Wire Fabrics and Structure 2 1 1 0 0 4
462 Books, Strips, and Leaves for Manifolding 1 1 2 0 0 4
079 Button Making 1 0 0 1 1 3
314 Electric Lamp and Discharge Devices: Consumable Electrodes 1 0 0 2 0 3
142 Wood Turning 0 0 0 1 0 1
147 Coopering 0 0 0 0 1 1
ALL ALL CLASSES 173772 157282 157772 167349 219614 875789


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