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U.S. PATENT AND TRADEMARK OFFICE
Office of Electronic Information Products
Patent Technology Monitoring Division (PTMD)

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

Count of 2000 - 2004 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' )

The following table displays technology classes and counts of associated patents, as distributed by the year of patent grant
Class Class Title 2000 2001 2002 2003 2004 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 6735 7284 7527 6951 5169 33666
438 Semiconductor Device Manufacturing: Process 4474 5665 5469 5106 5107 25821
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 2704 2973 3573 4291 4690 18231
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 3338 3690 3586 3392 3035 17041
435 Chemistry: Molecular Biology and Microbiology 3501 3984 3599 3174 2717 16975
428 Stock Material or Miscellaneous Articles 2760 2946 3093 3177 3202 15178
532 Organic Compounds (includes Classes 532-570) 3052 3289 3578 2823 2391 15133
128 Surgery (includes Class 600) 2359 2244 2454 2690 2098 11845
370 Multiplex Communications 1823 1932 2233 2583 2920 11491
439 Electrical Connectors 2240 2228 1971 1710 1989 10138
365 Static Information Storage and Retrieval 1913 1968 1962 1950 2004 9797
345 Computer Graphics Processing and Selective Visual Display Systems 1633 1870 1860 1876 2161 9400
455 Telecommunications 1863 1814 1761 1709 2152 9299
359 Optics: Systems and Elements 1650 1771 1842 1903 2083 9249
361 Electricity: Electrical Systems and Devices 1386 1609 1935 1891 1855 8676
073 Measuring and Testing 1512 1566 1682 2051 1725 8536
347 Incremental Printing of Symbolic Information 1412 1755 1877 1711 1581 8336
123 Internal-Combustion Engines 1391 1745 1770 1747 1663 8316
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 1800 1738 1621 1589 1508 8256
324 Electricity: Measuring and Testing 1173 1478 1906 1848 1836 8241
385 Optical Waveguides 861 1318 1611 1906 2004 7700
250 Radiant Energy 1050 1308 1508 1750 1866 7482
375 Pulse or Digital Communications 1332 1346 1447 1565 1662 7352
382 Image Analysis 1241 1410 1236 1623 1776 7286
606 Surgery (instruments) 1595 1428 1244 1629 1130 7026
340 Communications: Electrical 1548 1445 1325 1115 1494 6927
029 Metal Working 1251 1374 1252 1467 1396 6740
280 Land Vehicles 1391 1496 1372 1154 1145 6558
604 Surgery (Medicators and Receptors) 1186 1240 1259 1707 1149 6541
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 1216 1406 1451 1254 1203 6530
709 Multicomputer Data Transferring or Plural Processor Synchronization (Electrical Computers and Digital Processing Systems) 1151 1139 1231 1164 1565 6250
360 Dynamic Magnetic Information Storage or Retrieval 1208 1118 1193 1245 1470 6234
707 DP: Database and File Management or Data Structures (Data Processing) 904 1007 1334 1405 1493 6143
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 822 1250 1263 1195 1209 5739
711 Memory (Electrical Computers and Digital Processing Systems) 888 1005 1175 1255 1314 5637
219 Electric Heating 1157 1129 1116 1045 1085 5532
210 Liquid Purification or Separation 1167 1228 1053 1001 1000 5449
714 Error Detection/Correction and Fault Detection/Recovery 984 979 955 1266 1265 5449
348 Television 1022 1008 1043 1068 1270 5411
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 1057 1064 1043 1189 1044 5397
379 Telephonic Communications 913 964 991 1062 1302 5232
310 Electrical Generator or Motor Structure 905 997 983 873 1362 5120
356 Optics: Measuring and Testing 1031 704 883 1262 1219 5099
710 Input/Output (Electrical Computers and Digital Processing Systems) 1008 906 861 977 1258 5010
427 Coating Processes 1080 955 1001 1001 939 4976
702 DP: Measuring, Calibrating, or Testing (Data Processing) 517 571 950 1295 1515 4848
062 Refrigeration 879 1039 1096 1018 813 4845
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 971 996 882 998 984 4831
362 Illumination 876 963 980 1084 919 4822
052 Static Structures (e.g., Buildings) 1014 1139 981 859 777 4770
399 Electrophotography 957 935 938 926 973 4729
060 Power Plants 733 1022 972 942 951 4620
369 Dynamic Information Storage or Retrieval 788 830 865 932 933 4348
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 667 786 887 924 939 4203
713 Support (Electrical Computers and Digital Processing Systems) 752 806 702 809 1053 4122
700 DP: Generic Control Systems or Specific Applications (Data Processing) 462 661 840 1021 1123 4107
137 Fluid Handling 944 1015 719 670 685 4033
174 Electricity: Conductors and Insulators 516 910 951 788 750 3915
313 Electric Lamp and Discharge Devices 553 600 727 1027 913 3820
451 Abrading 669 851 790 731 730 3771
426 Food or Edible Material: Processes, Compositions, and Products 908 860 733 680 580 3761
349 Liquid Crystal Cells, Elements and Systems 651 618 625 857 1005 3756
358 Facsimile and Static Presentation Processing 742 672 714 788 825 3741
296 Land Vehicles: Bodies and Tops 618 790 725 752 779 3664
248 Supports (e.g., for holding articles, etc.) 799 684 796 737 495 3511
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 601 719 703 761 712 3496
343 Communications: Radio Wave Antennas 605 758 776 598 612 3349
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 596 511 594 791 812 3304
341 Coded Data Generation or Conversion 458 645 761 721 719 3304
315 Electric Lamp and Discharge Devices: Systems 539 614 728 747 643 3271
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 668 675 636 635 605 3219
204 Chemistry: Electrical and Wave Energy 688 721 678 608 519 3214
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 601 640 642 712 619 3214
206 Special Receptacle or Package 804 680 613 558 487 3142
417 Pumps 676 682 644 623 431 3056
473 Games Using Tangible Projectile 561 595 623 663 607 3049
297 Chairs and Seats 649 487 554 639 629 2958
372 Coherent Light Generators 470 448 440 697 862 2917
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 514 630 524 595 644 2907
318 Electricity: Motive Power Systems 630 583 577 527 562 2879
222 Dispensing (apparatus and process) 629 649 635 444 469 2826
607 Surgery: Light, Thermal, and Electrical Application 513 567 578 606 528 2792
239 Fluid Sprinkling, Spraying, and Diffusing 639 479 498 533 632 2781
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 494 525 590 575 588 2772
326 Electronic Digital Logic Circuitry 532 582 584 496 543 2737
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 556 603 568 538 466 2731
074 Machine Element or Mechanism 624 610 561 500 410 2705
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 519 591 615 544 435 2704
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 530 610 573 427 529 2669
396 Photography 665 521 570 474 437 2667
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 236 405 547 805 644 2637
252 Compositions 599 507 427 549 527 2609
180 Motor Vehicles 452 491 535 580 509 2567
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 547 569 465 447 535 2563
330 Amplifiers 423 447 477 552 589 2488
015 Brushing, Scrubbing, and General Cleaning 614 503 444 501 423 2485
118 Coating Apparatus 550 544 503 451 370 2418
378 X-Ray or Gamma Ray Systems or Devices 379 534 598 452 430 2393
423 Chemistry of Inorganic Compounds 476 495 481 490 442 2384
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 726 475 448 423 307 2379
101 Printing 428 385 438 547 580 2378
002 Apparel 565 549 496 337 405 2352
134 Cleaning and Liquid Contact with Solids 436 463 512 549 392 2352
198 Conveyors: Power-Driven 420 524 474 486 412 2316
106 Compositions: Coating or Plastic 425 427 473 488 488 2301
242 Winding, Tensioning, or Guiding 528 442 504 460 367 2301
333 Wave Transmission Lines and Networks 358 306 469 589 537 2259
414 Material or Article Handling 571 401 459 433 386 2250
244 Aeronautics 435 445 449 440 428 2197
148 Metal Treatment 400 468 479 464 345 2156
436 Chemistry: Analytical and Immunological Testing 379 421 457 469 421 2147
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 479 409 435 402 383 2108
363 Electric Power Conversion Systems 458 487 484 357 307 2093
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 382 456 408 387 429 2062
053 Package Making 455 384 359 417 424 2039
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 489 501 372 308 369 2039
717 DP: Software Development, Installation, and Management (Data Processing) 371 507 334 341 415 1968
220 Receptacles 477 487 399 283 284 1930
165 Heat Exchange 370 419 373 345 417 1924
072 Metal Deforming 435 449 342 349 321 1896
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 333 462 392 349 351 1887
119 Animal Husbandry 355 356 437 432 298 1878
482 Exercise Devices 415 370 350 371 364 1870
381 Electrical Audio Signal Processing Systems and Devices 361 276 321 398 492 1848
033 Geometrical Instruments 316 338 404 385 374 1817
463 Amusement Devices: Games 236 352 349 456 423 1816
398 Optical Communications 290 336 402 389 392 1809
005 Beds 354 344 333 372 403 1806
188 Brakes 295 480 446 315 251 1787
162 Paper Making and Fiber Liberation 325 423 427 308 271 1754
200 Electricity: Circuit Makers and Breakers 342 275 325 385 418 1745
386 Television Signal Processing for Dynamic Recording or Reproducing 310 332 372 343 360 1717
004 Baths, Closets, Sinks, and Spittoons 327 349 398 329 309 1712
228 Metal Fusion Bonding 369 384 327 301 304 1685
415 Rotary Kinetic Fluid Motors or Pumps 275 301 379 383 329 1667
320 Electricity: Battery or Capacitor Charging or Discharging 361 397 354 297 252 1661
433 Dentistry 362 453 335 266 240 1656
271 Sheet Feeding or Delivering 319 358 289 378 251 1595
084 Music 378 343 305 274 272 1572
446 Amusement Devices: Toys 330 284 308 368 281 1571
405 Hydraulic and Earth Engineering 288 290 343 332 300 1553
192 Clutches and Power-Stop Control 358 274 295 324 293 1544
081 Tools 351 407 293 228 256 1535
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 251 347 310 286 334 1528
323 Electricity: Power Supply or Regulation Systems 305 334 322 291 271 1523
307 Electrical Transmission or Interconnection Systems 326 269 286 316 298 1495
331 Oscillators 267 298 223 343 356 1487
351 Optics: Eye Examining, Vision Testing and Correcting 311 292 256 314 310 1483
114 Ships 334 319 273 291 258 1475
211 Supports: Racks 318 309 299 293 251 1470
355 Photocopying 225 317 267 294 366 1469
024 Buckles, Buttons, Clasps, Etc. 275 305 357 326 205 1468
099 Foods and Beverages: Apparatus 331 327 276 275 247 1456
251 Valves and Valve Actuation 341 244 253 283 326 1447
030 Cutlery 289 281 304 297 274 1445
384 Bearings 267 311 305 297 265 1445
285 Pipe Joints or Couplings 285 290 346 293 229 1443
273 Amusement Devices: Games 291 310 321 301 216 1439
277 Seal for a Joint or Juncture 258 326 296 263 249 1392
083 Cutting 313 285 204 260 320 1382
708 Arithmetic Processing and Calculating (Electrical Computers) 297 288 254 256 284 1379
400 Typewriting Machines 305 243 262 267 287 1364
403 Joints and Connections 241 293 293 270 239 1336
040 Card, Picture, or Sign Exhibiting 265 264 248 312 246 1335
175 Boring or Penetrating the Earth 267 304 276 260 228 1335
434 Education and Demonstration 286 227 246 269 257 1285
070 Locks 249 211 285 307 222 1274
043 Fishing, Trapping, and Vermin Destroying 291 207 244 298 222 1262
224 Package and Article Carriers 245 293 252 225 225 1240
034 Drying and Gas or Vapor Contact with Solids 345 233 253 183 200 1214
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 229 272 285 235 189 1210
095 Gas Separation: Processes 205 227 272 276 217 1197
416 Fluid Reaction Surfaces (i.e., Impellers) 235 238 284 220 212 1189
475 Planetary Gear Transmission Systems or Components 213 143 214 310 303 1183
216 Etching a Substrate: Processes 217 225 248 259 230 1179
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 286 275 180 168 264 1173
016 Miscellaneous Hardware 227 197 267 259 215 1165
401 Coating Implements with Material Supply 225 296 237 198 201 1157
312 Supports: Cabinet Structure 271 207 246 218 208 1150
303 Fluid-Pressure and Analogous Brake Systems 273 301 247 186 132 1139
164 Metal Founding 162 204 259 290 200 1115
501 Compositions: Ceramic 206 227 228 227 194 1082
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 239 187 194 244 212 1076
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 192 222 201 204 242 1061
440 Marine Propulsion 210 223 211 193 205 1042
585 Chemistry of Hydrocarbon Compounds 231 221 250 170 158 1030
036 Boots, Shoes, and Leggings 227 201 193 187 217 1025
366 Agitating (e.g., of articles and materials) 203 241 191 205 181 1021
160 Flexible or Portable Closure, Partition, or Panel 239 211 172 184 193 999
353 Optics: Image Projectors 100 132 209 253 305 999
292 Closure Fasteners 232 125 241 238 162 998
065 Glass Manufacturing 175 195 201 202 223 996
056 Harvesters 228 181 205 201 178 993
418 Rotary Expansible Chamber Devices 281 231 170 168 142 992
047 Plant Husbandry 235 200 219 205 128 987
049 Movable or Removable Closures 236 194 191 169 188 978
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 226 191 187 179 192 975
152 Resilient Tires and Wheels 175 170 233 223 169 970
725 Interactive Video Distribution Systems 171 203 165 204 225 968
431 Combustion 232 195 171 187 181 966
209 Classifying, Separating, and Assorting Solids 220 225 175 158 184 962
138 Pipes and Tubular Conduits 274 215 177 157 135 958
241 Solid Material Comminution or Disintegration 211 173 197 216 156 953
504 Plant Protecting and Regulating Compositions 229 215 208 166 127 945
477 Interrelated Power Delivery Controls, Including Engine Control 202 146 176 215 162 901
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 199 192 176 155 178 900
602 Surgery: Splint, Brace, or Bandage 223 182 153 184 149 891
102 Ammunition and Explosives 121 213 188 212 150 884
294 Handling: Hand and Hoist-Line Implements 240 195 211 153 81 880
454 Ventilation 171 196 176 173 162 878
055 Gas Separation 170 170 190 169 177 876
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 221 169 115 169 198 872
208 Mineral Oils: Processes and Products 206 193 167 151 146 863
380 Cryptography 230 204 167 93 164 858
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 188 208 156 175 130 857
706 DP: Artificial Intelligence (Data Processing) 129 153 167 250 157 856
126 Stoves and Furnaces 223 181 122 164 165 855
132 Toilet 239 188 168 154 99 848
267 Spring Devices 158 184 221 176 109 848
336 Inductor Devices 127 136 179 202 183 827
474 Endless Belt Power Transmission Systems or Components 184 136 193 171 130 814
720 Dynamic Optical Information Storage or Retrieval 99 162 184 170 196 811
136 Batteries: Thermoelectric and Photoelectric 171 201 179 146 113 810
108 Horizontally Supported Planar Surfaces 190 151 155 148 159 803
368 Horology: Time Measuring Systems or Devices 130 183 158 166 166 803
221 Article Dispensing 152 173 141 183 152 801
042 Firearms 87 164 189 193 155 788
181 Acoustics 172 126 152 179 144 773
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 92 159 147 121 242 761
367 Communications, Electrical: Acoustic Wave Systems and Devices 191 148 134 134 143 750
374 Thermal Measuring and Testing 176 138 137 150 143 744
182 Fire Escape, Ladder, or Scaffold 162 130 167 129 153 741
096 Gas Separation: Apparatus 126 130 168 159 142 725
445 Electric Lamp or Space Discharge Component or Device Manufacturing 165 106 105 163 186 725
404 Road Structure, Process, or Apparatus 140 115 152 149 155 711
229 Envelopes, Wrappers, and Paperboard Boxes 191 188 152 117 58 706
254 Implements or Apparatus for Applying Pushing or Pulling Force 150 135 138 161 116 700
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 171 137 88 151 147 694
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 104 227 135 96 123 685
092 Expansible Chamber Devices 98 152 159 144 113 666
135 Tent, Canopy, Umbrella, or Cane 121 184 132 90 122 649
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 102 123 113 118 178 634
261 Gas and Liquid Contact Apparatus 119 136 129 124 121 629
215 Bottles and Jars 164 134 116 102 92 608
269 Work Holders 137 123 122 122 95 599
601 Surgery: Kinesitherapy 101 153 118 122 105 599
301 Land Vehicles: Wheels and Axles 121 127 130 119 98 595
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 116 131 170 102 70 589
037 Excavating 122 106 137 108 114 587
089 Ordnance 83 125 118 126 117 569
227 Elongated-Member-Driving Apparatus 121 94 83 120 148 566
112 Sewing 156 145 87 65 111 564
290 Prime-Mover Dynamo Plants 82 108 106 98 167 561
144 Woodworking 132 110 111 121 72 546
172 Earth Working 131 127 100 87 97 542
392 Electric Resistance Heating Devices 131 129 107 80 87 534
383 Flexible Bags 133 132 100 82 67 514
376 Induced Nuclear Reactions: Processes, Systems, and Elements 82 115 110 110 93 510
124 Mechanical Guns and Projectors 99 82 77 113 138 509
139 Textiles: Weaving 137 156 97 41 67 498
409 Gear Cutting, Milling, or Planing 115 90 106 97 84 492
044 Fuel and Related Compositions 118 96 76 112 89 491
066 Textiles: Knitting 141 128 71 69 82 491
408 Cutting by Use of Rotating Axially Moving Tool 94 129 86 104 61 474
057 Textiles: Spinning, Twisting, and Twining 107 132 98 60 67 464
410 Freight Accommodation On Freight Carrier 97 88 80 94 103 462
173 Tool Driving or Impacting 99 91 65 90 115 460
432 Heating 99 107 88 101 59 454
100 Presses 81 82 56 129 104 452
091 Motors: Expansible Chamber Type 80 92 104 80 91 447
283 Printed Matter 125 117 75 56 68 441
338 Electrical Resistors 102 99 105 80 52 438
441 Buoys, Rafts, and Aquatic Devices 93 92 82 90 81 438
266 Metallurgical Apparatus 92 91 87 94 69 433
110 Furnaces 91 118 92 50 69 420
104 Railways 65 92 105 84 57 403
122 Liquid Heaters and Vaporizers 82 79 81 86 64 392
177 Weighing Scales 57 70 84 86 94 391
236 Automatic Temperature and Humidity Regulation 80 80 85 74 68 387
105 Railway Rolling Stock 64 98 91 81 50 384
131 Tobacco 89 61 67 72 92 381
452 Butchering 111 100 52 67 50 380
337 Electricity: Electrothermally or Thermally Actuated Switches 64 48 76 106 81 375
419 Powder Metallurgy Processes 75 75 70 88 63 371
082 Turning (e.g., for metal working) 68 75 55 109 49 356
407 Cutters, for Shaping 84 72 38 77 81 352
051 Abrasive Tool Making Process, Material, or Composition 45 70 79 82 71 347
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 81 78 56 56 67 338
116 Signals and Indicators 59 66 74 65 73 337
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 72 72 71 75 35 325
420 Alloys or Metallic Compositions 58 67 67 59 73 324
507 Earth Boring, Well Treating, and Oil Field Chemistry 59 65 44 69 83 320
223 Apparel Apparatus 93 85 50 36 55 319
256 Fences 62 69 46 72 57 306
068 Textiles: Fluid Treating Apparatus 69 49 79 73 29 299
111 Planting 59 68 48 66 58 299
184 Lubrication 59 69 66 61 41 296
169 Fire Extinguishers 96 49 52 45 49 291
279 Chucks or Sockets 46 70 55 76 37 284
505 Superconductor Technology: Apparatus, Material, Process 74 62 54 51 42 283
194 Check-Actuated Control Mechanisms 81 65 34 56 45 281
149 Explosive and Thermic Compositions or Charges 73 57 43 61 45 279
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 47 64 60 48 57 276
293 Vehicle Fenders 32 61 53 58 69 273
125 Stone Working 68 64 61 39 38 270
472 Amusement Devices 56 45 57 52 56 266
406 Conveyors: Fluid Current 49 65 67 48 30 259
270 Sheet-Material Associating 33 61 45 52 66 257
494 Imperforate Bowl: Centrifugal Separators 50 47 48 58 49 252
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 66 44 65 31 40 246
028 Textiles: Manufacturing 54 44 51 44 46 239
249 Static Molds 35 54 45 45 60 239
019 Textiles: Fiber Preparation 58 65 52 42 21 238
322 Electricity: Single Generator Systems 49 50 38 37 62 236
203 Distillation: Processes, Separatory 48 40 71 43 33 235
299 Mining or In Situ Disintegration of Hard Material 45 56 53 44 36 234
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 38 45 40 51 58 232
063 Jewelry 41 36 57 52 43 229
588 Hazardous or Toxic Waste Destruction or Containment 60 49 60 45 13 227
450 Foundation Garments 57 52 54 24 39 226
226 Advancing Material of Indeterminate Length 47 51 53 43 26 220
071 Chemistry: Fertilizers 39 62 65 23 27 216
305 Wheel Substitutes for Land Vehicles 41 43 51 46 28 209
014 Bridges 32 28 53 37 49 199
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 52 47 36 33 30 198
007 Compound Hand Tools 41 45 39 33 38 196
190 Trunks and Hand-Carried Luggage 39 47 39 47 23 195
212 Traversing Hoists 51 38 30 53 22 194
373 Industrial Electric Heating Furnaces 56 36 42 30 29 193
237 Heating Systems 46 38 38 39 30 191
492 Roll or Roller 28 43 46 38 34 189
281 Books, Strips, and Leaves 54 48 34 19 24 179
460 Crop Threshing or Separating 30 33 41 31 44 179
476 Friction Gear Transmission Systems or Components 38 35 36 36 25 170
038 Textiles: Ironing or Smoothing 38 30 36 24 36 164
246 Railway Switches and Signals 30 34 37 37 24 162
054 Harness (for animals) 31 24 33 36 31 155
225 Severing by Tearing or Breaking 21 26 29 37 37 150
059 Chain, Staple, and Horseshoe Making 23 41 28 29 24 145
332 Modulators 27 32 25 38 21 143
238 Railways: Surface Track 22 32 36 24 23 137
329 Demodulators 36 32 17 24 27 136
483 Tool Changing 36 22 35 22 21 136
412 Bookbinding: Process and Apparatus 37 26 26 22 19 130
453 Coin Handling 29 24 15 35 27 130
512 Perfume Compositions 29 26 23 27 21 126
140 Wireworking 30 26 21 28 19 124
352 Optics: Motion Pictures 21 20 18 26 36 121
193 Conveyors, Chutes, Skids, Guides, and Ways 25 34 28 17 16 120
202 Distillation: Apparatus 24 25 21 26 21 117
298 Land Vehicles: Dumping 21 25 16 27 24 113
150 Purses, Wallets, and Protective Covers 28 23 18 23 15 107
048 Gas: Heating and Illuminating 19 24 7 21 35 106
076 Metal Tools and Implements, Making 31 20 18 22 15 106
232 Deposit and Collection Receptacles 19 23 18 21 25 106
127 Sugar, Starch, and Carbohydrates 21 26 25 12 15 99
191 Electricity: Transmission To Vehicles 14 35 23 14 13 99
027 Undertaking 23 23 12 25 15 98
001 ** Classification Undetermined ** 13 8 8 44 16 89
213 Railway Draft Appliances 13 22 14 5 14 68
157 Wheelwright Machines 15 23 8 14 7 67
388 Electricity: Motor Control Systems 21 10 15 8 12 66
086 Ammunition and Explosive-Charge Making 11 16 15 15 7 64
178 Telegraphy 10 14 11 10 14 59
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 12 12 10 12 13 59
168 Farriery 12 10 16 10 10 58
300 Brush, Broom, and Mop Making 5 12 12 13 12 54
346 Recorders 22 12 12 5 2 53
109 Safes, Bank Protection, or a Related Device 11 7 12 14 8 52
186 Merchandising 10 6 7 17 10 50
026 Textiles: Cloth Finishing 14 12 7 9 7 49
023 Chemistry: Physical Processes 14 10 11 8 5 48
012 Boot and Shoe Making 6 11 5 9 9 40
087 Textiles: Braiding, Netting, and Lace Making 7 8 11 9 5 40
289 Knots and Knot Tying 5 10 7 10 7 39
413 Sheet Metal Container Making 7 3 7 10 12 39
159 Concentrating Evaporators 8 5 8 3 7 31
171 Unearthing Plants or Buried Objects 7 4 5 6 5 27
449 Bee Culture (propagating, raising, caring for bees) 3 1 6 7 3 20
185 Motors: Spring, Weight, or Animal Powered 4 3 6 2 4 19
260 Chemistry of Carbon Compounds 3 10 2 1 2 18
295 Railway Wheels and Axles 2 3 4 5 3 17
201 Distillation: Processes, Thermolytic 5 3 1 3 3 15
462 Books, Strips, and Leaves for Manifolding 3 5 5 1 1 15
334 Tuners 1 2 4 2 1 10
069 Leather Manufactures 2 1 1 1 4 9
217 Wooden Receptacles 3 1 1 1 0 6
142 Wood Turning 2 2 0 1 0 5
196 Mineral Oils: Apparatus 3 1 1 0 0 5
231 Whips and Whip Apparatus 4 0 1 0 0 5
234 Selective Cutting (e.g., Punching) 0 0 0 2 3 5
291 Track Sanders 1 0 1 2 1 5
147 Coopering 0 4 0 0 0 4
245 Wire Fabrics and Structure 1 3 0 0 0 4
079 Button Making 1 0 1 1 0 3
163 Needle and Pin Making 1 0 0 0 0 1
276 Typesetting 0 0 0 0 1 1
278 Land Vehicles: Animal Draft Appliances 0 0 0 1 0 1
314 Electric Lamp and Discharge Devices: Consumable Electrodes 0 0 0 0 1 1
ALL ALL CLASSES 157494 166037 167332 169026 164293 824182


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