U.S. PATENT AND TRADEMARK OFFICE
Information Products Division
Technology Assessment and Forecast (TAF) Branch

Patenting By Geographic Region (State and Country), Breakout By Technology Class
Count of 1997 - 2001 Utility Patent Grants 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 the patent- see 'Explanation of Data')
 
Class Class Title 1997 1998 1999 2000 2001 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 6120 6791 7165 6732 7286 34094
435 Chemistry: Molecular Biology and Microbiology 2861 4059 4017 3500 3981 18418
438 Semiconductor Device Manufacturing: Process 1755 2283 3388 4464 5654 17544
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 2904 3285 3275 3339 3692 16495
532 Organic Compounds (includes Classes 532-570) 3024 3456 3389 3052 3290 16211
428 Stock Material or Miscellaneous Articles 2347 2771 2952 2751 2948 13769
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 1615 2413 2614 2703 2968 12313
128 Surgery (includes Class 600) 1558 2281 2092 2356 2242 10529
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 1321 2123 2025 2085 2299 9853
359 Optics: Systems (Including Communication) and Elements 1318 1905 1900 1943 2107 9173
439 Electrical Connectors 1196 1310 1663 2240 2229 8638
365 Static Information Storage and Retrieval 1134 1503 1751 1913 1972 8273
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 1336 1627 1740 1795 1733 8231
073 Measuring and Testing 1344 1651 1524 1511 1568 7598
370 Multiplex Communications 901 1227 1507 1825 1936 7396
606 Surgery (instruments) 1231 1464 1587 1591 1431 7304
455 Telecommunications 638 1197 1538 1864 1830 7067
340 Communications: Electrical 1076 1398 1408 1550 1424 6856
123 Internal-Combustion Engines 1107 1295 1235 1394 1745 6776
361 Electricity: Electrical Systems and Devices 851 1384 1287 1387 1613 6522
604 Surgery (Medicators and Receptors) 1081 1475 1345 1183 1242 6326
375 Pulse or Digital Communications 866 1237 1234 1329 1347 6013
280 Land Vehicles 813 1111 1180 1392 1496 5992
029 Metal Working 970 1203 1121 1257 1383 5934
382 Image Analysis 635 1290 1340 1237 1414 5916
347 Incremental Printing of Symbolic Information 597 1048 1029 1412 1758 5844
210 Liquid Purification or Separation 1106 1156 1162 1166 1224 5814
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 442 1163 1201 1348 1445 5599
324 Electricity: Measuring and Testing 982 985 935 1172 1476 5550
250 Radiant Energy 905 1145 1051 1052 1319 5472
707 DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) 580 1187 1283 1129 1254 5433
360 Dynamic Magnetic Information Storage or Retrieval 750 1118 1142 1208 1121 5339
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 595 985 1087 1217 1406 5290
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 883 1055 1126 1057 1065 5186
348 Television 858 1151 1093 1030 1010 5142
427 Coating Processes 878 983 1089 1093 974 5017
052 Static Structures (e.g., Buildings) 830 1003 983 1013 1138 4967
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 888 1112 993 972 996 4961
399 Electrophotography 731 1076 1080 957 937 4781
714 Error Detection/Correction and Fault Detection/Recovery 707 1067 1030 983 980 4767
369 Dynamic Information Storage or Retrieval 795 1060 947 887 982 4671
219 Electric Heating 555 834 954 1158 1131 4632
379 Telephonic Communications 618 1042 1097 912 963 4632
710 Input/Output (Electrical Computers and Digital Processing Systems) 639 1008 1056 1007 893 4603
385 Optical Waveguides 672 857 832 858 1314 4533
356 Optics: Measuring and Testing 726 1049 985 1030 689 4479
062 Refrigeration 683 790 895 879 1039 4286
711 Memory (Electrical Computers and Digital Processing Systems) 576 856 844 888 1006 4170
137 Fluid Handling 538 746 901 944 1016 4145
310 Electrical Generator or Motor Structure 492 862 866 905 998 4123
206 Special Receptacle or Package 613 849 867 804 682 3815
358 Facsimile and Static Presentation Processing 652 945 787 744 666 3794
426 Food or Edible Material: Processes, Compositions, and Products 527 618 878 908 860 3791
362 Illumination 536 646 666 877 967 3692
060 Power Plants 537 708 670 732 1016 3663
396 Photography 747 959 721 665 521 3613
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 329 510 682 823 1252 3596
248 Supports (e.g., for holding articles, etc.) 487 750 721 799 685 3442
713 Support (Electrical Computers and Digital Processing Systems) 388 690 755 748 802 3383
473 Games Using Tangible Projectile 575 790 638 561 595 3159
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 544 725 717 554 603 3143
222 Dispensing (apparatus and process) 434 555 785 629 651 3054
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 499 625 681 600 641 3046
074 Machine Element or Mechanism 430 632 632 624 608 2926
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 485 486 495 667 786 2919
318 Electricity: Motive Power Systems 417 664 622 631 584 2918
252 Compositions 497 661 654 599 506 2917
451 Abrading 426 399 530 668 851 2874
204 Chemistry: Electrical and Wave Energy 432 477 545 688 724 2866
349 Liquid Crystal Cells, Elements and Systems 375 600 508 650 619 2752
313 Electric Lamp and Discharge Devices 375 607 609 554 600 2745
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 364 610 626 530 610 2740
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 402 665 665 489 506 2727
297 Chairs and Seats 447 540 590 648 487 2712
700 DP: Generic Control Systems or Specific Applications (Data Processing) 349 658 534 462 660 2663
296 Land Vehicles: Bodies and Tops 285 431 533 619 794 2662
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 246 489 716 726 479 2656
015 Brushing, Scrubbing, and General Cleaning 394 543 599 614 503 2653
002 Apparel 423 507 601 565 549 2645
174 Electricity: Conductors and Insulators 316 488 412 516 909 2641
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 343 556 616 519 591 2625
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 341 447 500 603 714 2605
341 Coded Data Generation or Conversion 472 566 442 458 646 2584
239 Fluid Sprinkling, Spraying, and Diffusing 353 527 573 639 481 2573
417 Pumps 352 367 443 676 682 2520
242 Winding, Tensioning, or Guiding 420 573 535 528 442 2498
343 Communications: Radio Wave Antennas 250 305 554 604 757 2470
702 DP: Measuring, Calibrating, or Testing (Data Processing) 348 515 511 516 572 2462
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 318 443 561 598 510 2430
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 264 451 577 546 568 2406
315 Electric Lamp and Discharge Devices: Systems 303 450 472 540 616 2381
607 Surgery: Light, Thermal, and Electrical Application 322 522 456 513 567 2380
106 Compositions: Coating or Plastic 414 556 517 428 427 2342
118 Coating Apparatus 376 412 429 553 542 2312
414 Material or Article Handling 408 452 481 571 397 2309
423 Chemistry of Inorganic Compounds 386 429 498 475 492 2280
220 Receptacles 347 451 511 477 487 2273
072 Metal Deforming 388 470 499 435 450 2242
372 Coherent Light Generators 352 502 464 470 450 2238
363 Electric Power Conversion Systems 372 401 507 455 486 2221
053 Package Making 434 536 390 455 385 2200
134 Cleaning and Liquid Contact with Solids 320 431 548 436 462 2197
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 245 385 421 514 629 2194
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 298 401 455 494 526 2174
101 Printing 360 527 445 428 386 2146
326 Electronic Digital Logic Circuitry 304 325 357 532 583 2101
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 396 473 383 384 456 2092
436 Chemistry: Analytical and Immunological Testing 319 463 476 381 423 2062
482 Exercise Devices 395 451 410 415 369 2040
198 Conveyors: Power-Driven 279 320 421 420 526 1966
148 Metal Treatment 292 390 407 400 467 1956
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 283 367 385 479 410 1924
433 Dentistry 261 440 398 362 453 1914
180 Motor Vehicles 199 356 415 453 489 1912
244 Aeronautics 214 404 383 435 445 1881
119 Animal Husbandry 282 452 389 355 356 1834
381 Electrical Audio Signal Processing Systems and Devices 330 505 325 361 276 1797
165 Heat Exchange 265 341 379 368 420 1773
378 X-Ray or Gamma Ray Systems or Devices 273 315 267 380 534 1769
084 Music 273 341 418 378 345 1755
330 Amplifiers 209 266 353 423 447 1698
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 278 271 341 337 458 1685
717 DP: Software Development, Installation, and Management (Data Processing) 128 306 403 369 467 1673
162 Paper Making and Fiber Liberation 291 331 285 326 424 1657
099 Foods and Beverages: Apparatus 319 304 350 332 327 1632
708 Arithmetic Processing and Calculating (Electrical Computers) 260 383 399 297 289 1628
005 Beds 297 312 314 354 344 1621
200 Electricity: Circuit Makers and Breakers 249 389 361 342 276 1617
004 Baths, Closets, Sinks, and Spittoons 218 312 409 327 349 1615
273 Amusement Devices: Games 325 359 310 291 310 1595
320 Electricity: Battery or Capacitor Charging or Discharging 266 244 322 361 397 1590
405 Hydraulic and Earth Engineering 266 381 350 287 287 1571
192 Clutches and Power-Stop Control 280 264 392 358 274 1568
307 Electrical Transmission or Interconnection Systems 272 317 384 327 268 1568
333 Wave Transmission Lines and Networks 214 337 346 359 307 1563
386 Television Signal Processing for Dynamic Recording or Reproducing 225 334 337 311 334 1541
188 Brakes 201 255 303 295 480 1534
211 Supports: Racks 258 331 302 318 309 1518
323 Electricity: Power Supply or Regulation Systems 260 266 310 305 335 1476
024 Buckles, Buttons, Clasps, Etc. 292 289 299 276 305 1461
271 Sheet Feeding or Delivering 241 201 323 319 357 1441
114 Ships 256 256 274 334 318 1438
224 Package and Article Carriers 267 319 301 245 293 1425
400 Typewriting Machines 221 321 330 305 243 1420
083 Cutting 176 301 335 313 285 1410
351 Optics: Eye Examining, Vision Testing and Correcting 196 278 322 311 292 1399
228 Metal Fusion Bonding 203 179 257 370 382 1391
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 223 297 301 285 275 1381
030 Cutlery 227 276 304 289 281 1377
285 Pipe Joints or Couplings 188 299 315 285 290 1377
070 Locks 241 338 319 249 212 1359
081 Tools 129 184 285 351 407 1356
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 215 236 296 251 348 1346
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 190 269 245 236 404 1344
034 Drying and Gas or Vapor Contact with Solids 229 241 283 345 233 1331
033 Geometrical Instruments 194 255 211 316 339 1315
384 Bearings 196 254 263 267 311 1291
251 Valves and Valve Actuation 166 244 286 340 244 1280
446 Amusement Devices: Toys 135 257 260 330 283 1265
403 Joints and Connections 252 270 198 241 293 1254
434 Education and Demonstration 173 285 273 286 228 1245
303 Fluid-Pressure and Analogous Brake Systems 190 215 230 273 300 1208
355 Photocopying 191 224 250 225 317 1207
043 Fishing, Trapping, and Vermin Destroying 175 183 349 291 207 1205
277 Seal for a Joint or Juncture 212 180 225 258 325 1200
331 Oscillators 176 228 220 266 298 1188
040 Card, Picture, or Sign Exhibiting 187 215 243 265 263 1173
175 Boring or Penetrating the Earth 154 212 231 267 304 1168
312 Supports: Cabinet Structure 191 235 260 271 207 1164
504 Plant Protecting and Regulating Compositions 265 224 231 229 214 1163
463 Amusement Devices: Games 128 224 201 236 352 1141
585 Chemistry of Hydrocarbon Compounds 169 242 270 231 221 1133
132 Toilet 139 243 322 239 188 1131
241 Solid Material Comminution or Disintegration 218 245 279 211 173 1126
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 158 227 312 239 187 1123
415 Rotary Kinetic Fluid Motors or Pumps 167 190 188 275 302 1122
036 Boots, Shoes, and Leggings 176 257 258 227 202 1120
216 Etching a Substrate: Processes 200 235 229 215 225 1104
501 Compositions: Ceramic 211 211 243 206 227 1098
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 150 199 246 229 271 1095
294 Handling: Hand and Hoist-Line Implements 180 239 210 240 194 1063
065 Glass Manufacturing 199 234 250 176 195 1054
164 Metal Founding 200 224 243 162 204 1033
366 Agitating (e.g., of articles and materials) 160 213 214 203 241 1031
138 Pipes and Tubular Conduits 110 172 241 274 217 1014
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 179 217 225 221 170 1012
431 Combustion 130 191 256 232 195 1004
016 Miscellaneous Hardware 162 215 198 228 198 1001
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 184 227 195 199 193 998
380 Cryptography 171 233 158 229 204 995
209 Classifying, Separating, and Assorting Solids 159 166 221 220 225 991
602 Surgery: Splint, Brace, or Bandage 139 234 212 223 182 990
095 Gas Separation: Processes 131 206 216 205 227 985
725 Interactive Video Distribution Systems 153 250 234 155 193 985
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 127 201 234 226 191 979
056 Harvesters 114 213 236 228 182 973
401 Coating Implements with Material Supply 67 122 263 225 296 973
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 177 203 184 188 208 960
475 Planetary Gear Transmission Systems or Components 173 168 260 213 143 957
160 Flexible or Portable Closure, Partition, or Panel 165 170 165 238 211 949
477 Interrelated Power Delivery Controls, Including Engine Control 181 203 210 202 146 942
208 Mineral Oils: Processes and Products 134 153 254 206 193 940
126 Stoves and Furnaces 143 162 229 223 181 938
049 Movable or Removable Closures 139 176 181 236 195 927
229 Envelopes, Wrappers, and Paperboard Boxes 141 200 199 191 188 919
292 Closure Fasteners 194 183 187 231 124 919
706 DP: Artificial Intelligence (Data Processing) 202 305 127 129 155 918
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 150 123 220 192 223 908
416 Fluid Reaction Surfaces (i.e., Impellers) 139 131 160 235 238 903
047 Plant Husbandry 130 142 191 235 201 899
367 Communications, Electrical: Acoustic Wave Systems and Devices 171 222 163 192 148 896
440 Marine Propulsion 119 152 162 210 223 866
418 Rotary Expansible Chamber Devices 110 129 94 281 231 845
108 Horizontally Supported Planar Surfaces 158 157 176 190 151 832
454 Ventilation 134 177 149 171 196 827
112 Sewing 155 181 188 156 145 825
215 Bottles and Jars 133 186 195 164 134 812
055 Gas Separation 103 188 150 170 171 782
102 Ammunition and Explosives 143 155 132 121 212 763
182 Fire Escape, Ladder, or Scaffold 104 151 191 162 130 738
152 Resilient Tires and Wheels 124 136 129 174 173 736
474 Endless Belt Power Transmission Systems or Components 129 148 138 184 136 735
181 Acoustics 101 158 172 171 126 728
374 Thermal Measuring and Testing 126 192 94 176 138 726
267 Spring Devices 110 120 149 159 182 720
368 Horology: Time Measuring Systems or Devices 117 145 140 130 184 716
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 89 153 146 171 137 696
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 111 154 181 116 132 694
221 Article Dispensing 85 134 145 152 172 688
042 Firearms 144 149 135 87 160 675
376 Induced Nuclear Reactions: Processes, Systems, and Elements 137 184 156 82 115 674
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 109 134 99 104 227 673
135 Tent, Canopy, Umbrella, or Cane 104 131 108 121 184 648
096 Gas Separation: Apparatus 124 131 133 126 130 644
408 Cutting by Use of Rotating Axially Moving Tool 101 150 170 94 129 644
092 Expansible Chamber Devices 110 140 136 98 152 636
057 Textiles: Spinning, Twisting, and Twining 111 161 116 108 132 628
136 Batteries: Thermoelectric and Photoelectric 64 71 118 171 203 627
254 Implements or Apparatus for Applying Pushing or Pulling Force 99 100 142 150 136 627
404 Road Structure, Process, or Apparatus 104 108 147 140 116 615
445 Electric Lamp or Space Discharge Component or Device Manufacturing 95 115 131 165 106 612
172 Earth Working 94 134 111 131 127 597
139 Textiles: Weaving 98 106 89 137 156 586
144 Woodworking 90 107 139 132 110 578
283 Printed Matter 79 118 138 125 117 577
227 Elongated-Member-Driving Apparatus 123 126 110 121 94 574
601 Surgery: Kinesitherapy 84 141 92 101 153 571
269 Work Holders 64 104 127 137 123 555
110 Furnaces 121 142 81 90 118 552
089 Ordnance 110 123 107 83 125 548
261 Gas and Liquid Contact Apparatus 91 85 111 119 136 542
353 Optics: Image Projectors 95 113 96 100 132 536
124 Mechanical Guns and Projectors 138 106 109 99 82 534
392 Electric Resistance Heating Devices 66 91 117 131 129 534
383 Flexible Bags 61 89 117 133 132 532
432 Heating 71 112 136 99 107 525
409 Gear Cutting, Milling, or Planing 91 108 117 116 90 522
336 Inductor Devices 48 110 102 127 134 521
037 Excavating 78 100 112 122 106 518
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 114 112 122 83 78 509
100 Presses 103 135 105 81 82 506
066 Textiles: Knitting 73 73 89 141 129 505
044 Fuel and Related Compositions 79 100 104 119 96 498
338 Electrical Resistors 63 86 117 102 99 467
301 Land Vehicles: Wheels and Axles 55 78 86 121 118 458
452 Butchering 65 92 89 111 100 457
131 Tobacco 92 129 79 89 61 450
441 Buoys, Rafts, and Aquatic Devices 82 94 85 93 93 447
091 Motors: Expansible Chamber Type 77 111 77 80 92 437
068 Textiles: Fluid Treating Apparatus 80 112 111 69 49 421
266 Metallurgical Apparatus 77 75 86 92 91 421
505 Superconductor Technology: Apparatus, Material, Process 91 86 107 74 59 417
173 Tool Driving or Impacting 53 76 84 99 91 403
419 Powder Metallurgy Processes 73 70 102 75 75 395
223 Apparel Apparatus 73 61 82 93 85 394
177 Weighing Scales 60 111 91 57 71 390
337 Electricity: Electrothermally or Thermally Actuated Switches 69 99 104 64 48 384
588 Hazardous or Toxic Waste Destruction or Containment 87 91 80 67 59 384
104 Railways 102 72 51 65 92 382
105 Railway Rolling Stock 71 89 55 64 98 377
407 Cutters, for Shaping 49 77 83 84 72 365
122 Liquid Heaters and Vaporizers 35 85 82 82 79 363
082 Turning (e.g., for metal working) 64 73 82 66 75 360
236 Automatic Temperature and Humidity Regulation 45 68 87 80 79 359
169 Fire Extinguishers 56 67 87 96 49 355
410 Freight Accommodation On Freight Carrier 38 61 71 97 88 355
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 69 67 61 73 72 342
194 Check-Actuated Control Mechanisms 50 56 84 81 65 336
290 Prime-Mover Dynamo Plants 26 65 54 82 108 335
420 Alloys or Metallic Compositions 55 65 77 58 68 323
507 Earth Boring, Well Treating, and Oil Field Chemistry 73 64 58 59 65 319
203 Distillation: Processes, Separatory 69 84 74 48 40 315
256 Fences 54 51 48 62 69 284
051 Abrasive Tool Making Process, Material, or Composition 72 40 52 45 70 279
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 34 79 55 47 64 279
111 Planting 47 38 58 59 68 270
279 Chucks or Sockets 26 57 71 46 70 270
281 Books, Strips, and Leaves 46 51 71 54 48 270
226 Advancing Material of Indeterminate Length 34 79 58 47 51 269
472 Amusement Devices 44 69 55 56 45 269
019 Textiles: Fiber Preparation 54 46 45 58 65 268
149 Explosive and Thermic Compositions or Charges 46 55 38 73 56 268
116 Signals and Indicators 52 39 51 59 66 267
184 Lubrication 42 51 44 59 69 265
071 Chemistry: Fertilizers 59 59 42 38 62 260
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 45 53 52 66 44 260
270 Sheet-Material Associating 63 67 33 33 61 257
125 Stone Working 30 41 47 68 64 250
322 Electricity: Single Generator Systems 53 62 36 49 49 249
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 38 51 47 52 47 235
494 Imperforate Bowl: Centrifugal Separators 37 49 52 50 47 235
028 Textiles: Manufacturing 47 39 45 54 44 229
373 Industrial Electric Heating Furnaces 27 36 72 56 36 227
299 Mining or In Situ Disintegration of Hard Material 45 39 39 45 56 224
249 Static Molds 45 50 39 35 54 223
406 Conveyors: Fluid Current 35 42 31 49 65 222
212 Traversing Hoists 44 47 37 51 38 217
063 Jewelry 54 40 33 41 36 204
237 Heating Systems 24 49 45 46 38 202
450 Foundation Garments 20 28 41 57 52 198
190 Trunks and Hand-Carried Luggage 30 37 38 39 49 193
492 Roll or Roller 31 52 38 28 43 192
007 Compound Hand Tools 24 31 40 41 45 181
293 Vehicle Fenders 22 30 28 32 61 173
038 Textiles: Ironing or Smoothing 37 34 33 38 30 172
014 Bridges 30 39 40 32 28 169
329 Demodulators 31 36 30 36 32 165
305 Wheel Substitutes for Land Vehicles 18 34 29 41 42 164
246 Railway Switches and Signals 37 45 16 30 34 162
140 Wireworking 33 37 33 30 26 159
332 Modulators 24 41 35 27 32 159
048 Gas: Heating and Illuminating 42 45 28 19 24 158
483 Tool Changing 28 30 39 36 22 155
460 Crop Threshing or Separating 18 33 34 30 33 148
202 Distillation: Apparatus 31 31 35 24 25 146
127 Sugar, Starch, and Carbohydrates 18 32 46 21 26 143
225 Severing by Tearing or Breaking 23 35 35 21 26 140
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 8 23 24 38 45 138
059 Chain, Staple, and Horseshoe Making 19 27 27 23 41 137
412 Bookbinding: Process and Apparatus 26 20 25 37 26 134
178 Telegraphy 40 36 32 10 14 132
476 Friction Gear Transmission Systems or Components 16 13 25 38 35 127
001 ** Classification Undetermined ** 9 40 33 17 21 120
232 Deposit and Collection Receptacles 23 25 28 19 24 119
238 Railways: Surface Track 20 31 14 22 32 119
027 Undertaking 28 24 20 23 23 118
076 Metal Tools and Implements, Making 24 23 18 31 20 116
512 Perfume Compositions 19 23 14 29 26 111
352 Optics: Motion Pictures 23 18 26 21 20 108
054 Harness (for animals) 12 27 12 31 24 106
453 Coin Handling 13 16 24 29 24 106
191 Electricity: Transmission To Vehicles 21 18 15 14 35 103
193 Conveyors, Chutes, Skids, Guides, and Ways 11 4 26 25 34 100
150 Purses, Wallets, and Protective Covers 9 19 17 28 23 96
026 Textiles: Cloth Finishing 17 23 25 14 12 91
388 Electricity: Motor Control Systems 19 16 21 21 9 86
346 Recorders 9 17 22 22 13 83
298 Land Vehicles: Dumping 6 17 11 21 25 80
109 Safes, Bank Protection, or a Related Device 22 21 16 11 7 77
213 Railway Draft Appliances 14 14 14 13 22 77
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 16 18 15 12 12 73
012 Boot and Shoe Making 10 13 20 6 11 60
086 Ammunition and Explosive-Charge Making 14 18 7 8 13 60
300 Brush, Broom, and Mop Making 15 12 12 5 12 56
157 Wheelwright Machines 5 5 7 15 23 55
023 Chemistry: Physical Processes 5 13 7 14 10 49
087 Textiles: Braiding, Netting, and Lace Making 6 13 15 7 8 49
413 Sheet Metal Container Making 9 11 16 7 3 46
168 Farriery 9 8 6 12 10 45
186 Merchandising 8 12 9 10 6 45
159 Concentrating Evaporators 5 14 9 8 5 41
201 Distillation: Processes, Thermolytic 14 12 3 5 3 37
289 Knots and Knot Tying 9 3 7 5 10 34
171 Unearthing Plants or Buried Objects 5 6 2 7 4 24
260 Chemistry of Carbon Compounds 3 4 0 3 10 20
185 Motors: Spring, Weight, or Animal Powered 4 3 5 4 3 19
295 Railway Wheels and Axles 4 0 9 2 3 18
449 Bee Culture (propagating, raising, caring for bees) 7 3 3 3 1 17
196 Mineral Oils: Apparatus 4 5 2 3 1 15
462 Books, Strips, and Leaves for Manifolding 2 2 3 3 5 15
217 Wooden Receptacles 0 5 5 3 1 14
142 Wood Turning 2 1 5 2 2 12
334 Tuners 0 4 4 1 2 11
069 Leather Manufactures 3 1 2 2 1 9
147 Coopering 0 1 0 0 4 5
231 Whips and Whip Apparatus 1 0 0 4 0 5
245 Wire Fabrics and Structure 0 1 0 1 3 5
079 Button Making 0 0 1 1 0 2
163 Needle and Pin Making 1 0 0 1 0 2
291 Track Sanders 0 0 0 1 0 1
ALL ALL CLASSES 111983 147521 153485 157495 166039 736523



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Last Modified: April 9, 2002