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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 1998 - 2002 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 1998 1999 2000 2001 2002 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 6791 7164 6734 7284 7528 35501
438 Semiconductor Device Manufacturing: Process 2287 3388 4465 5658 5469 21267
435 Chemistry: Molecular Biology and Microbiology 4053 4017 3498 3984 3599 19151
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 3284 3276 3339 3692 3587 17178
532 Organic Compounds (includes Classes 532-570) 3455 3389 3053 3289 3577 16763
428 Stock Material or Miscellaneous Articles 2771 2952 2752 2944 3089 14508
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 2413 2613 2703 2970 3569 14268
128 Surgery (includes Class 600) 2285 2094 2360 2244 2453 11436
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 2125 2024 2075 2306 2323 10853
359 Optics: Systems (Including Communication) and Elements 1904 1899 1943 2109 2244 10099
439 Electrical Connectors 1310 1663 2240 2228 1972 9413
365 Static Information Storage and Retrieval 1503 1748 1913 1968 1961 9093
370 Multiplex Communications 1226 1507 1821 1930 2235 8719
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 1636 1741 1797 1733 1616 8523
455 Telecommunications 1199 1538 1866 1818 1760 8181
073 Measuring and Testing 1649 1523 1512 1568 1684 7936
361 Electricity: Electrical Systems and Devices 1383 1287 1386 1610 1935 7601
123 Internal-Combustion Engines 1294 1235 1391 1745 1770 7435
606 Surgery (instruments) 1464 1587 1592 1428 1245 7316
347 Incremental Printing of Symbolic Information 1048 1028 1413 1756 1877 7122
340 Communications: Electrical 1396 1408 1548 1440 1324 7116
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 1162 1201 1348 1428 1495 6634
375 Pulse or Digital Communications 1237 1234 1332 1346 1448 6597
382 Image Analysis 1320 1351 1241 1410 1236 6558
280 Land Vehicles 1111 1180 1392 1497 1372 6552
604 Surgery (Medicators and Receptors) 1475 1345 1186 1240 1257 6503
324 Electricity: Measuring and Testing 985 936 1172 1477 1905 6475
029 Metal Working 1199 1117 1252 1373 1252 6193
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 985 1087 1216 1406 1451 6145
250 Radiant Energy 1145 1051 1050 1309 1508 6063
360 Dynamic Magnetic Information Storage or Retrieval 1117 1142 1208 1118 1193 5778
210 Liquid Purification or Separation 1156 1160 1167 1226 1054 5763
385 Optical Waveguides 857 832 859 1317 1611 5476
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 1055 1125 1059 1064 1044 5347
348 Television 1149 1089 1022 1008 1041 5309
707 DP: Database and File Management or Data Structures (Data Processing) 966 1039 904 1006 1332 5247
219 Electric Heating 835 954 1157 1129 1115 5190
427 Coating Processes 983 1088 1091 975 1010 5147
052 Static Structures (e.g., Buildings) 1003 983 1013 1138 981 5118
714 Error Detection/Correction and Fault Detection/Recovery 1067 1035 984 979 955 5020
379 Telephonic Communications 1042 1097 912 964 991 5006
399 Electrophotography 1069 1079 957 935 938 4978
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 1111 993 971 996 881 4952
369 Dynamic Information Storage or Retrieval 1061 948 887 991 1049 4936
710 Input/Output (Electrical Computers and Digital Processing Systems) 1008 1056 1008 906 858 4836
711 Memory (Electrical Computers and Digital Processing Systems) 856 844 888 1005 1174 4767
062 Refrigeration 790 895 879 1039 1097 4700
356 Optics: Measuring and Testing 1048 984 1031 703 882 4648
310 Electrical Generator or Motor Structure 863 866 905 997 982 4613
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 510 682 822 1252 1263 4529
137 Fluid Handling 745 901 944 1015 719 4324
362 Illumination 647 666 876 963 979 4131
060 Power Plants 708 670 733 1021 972 4104
426 Food or Edible Material: Processes, Compositions, and Products 618 879 907 860 733 3997
358 Facsimile and Static Presentation Processing 913 778 742 672 716 3821
206 Special Receptacle or Package 849 867 804 680 613 3813
248 Supports (e.g., for holding articles, etc.) 750 720 799 684 795 3748
713 Support (Electrical Computers and Digital Processing Systems) 691 755 749 799 700 3694
396 Photography 959 721 665 521 570 3436
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 488 495 667 786 887 3323
174 Electricity: Conductors and Insulators 488 412 516 910 952 3278
222 Dispensing (apparatus and process) 555 785 629 649 635 3253
451 Abrading 399 530 669 851 790 3239
473 Games Using Tangible Projectile 790 638 561 595 623 3207
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 626 680 600 641 642 3189
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 725 717 556 603 568 3169
700 DP: Generic Control Systems or Specific Applications (Data Processing) 660 535 462 660 842 3159
204 Chemistry: Electrical and Wave Energy 475 541 688 718 679 3101
296 Land Vehicles: Bodies and Tops 431 533 619 794 724 3101
313 Electric Lamp and Discharge Devices 607 608 553 600 728 3096
318 Electricity: Motive Power Systems 664 622 631 584 578 3079
702 DP: Measuring, Calibrating, or Testing (Data Processing) 515 511 517 571 950 3064
074 Machine Element or Mechanism 632 632 624 610 560 3058
349 Liquid Crystal Cells, Elements and Systems 600 508 651 619 625 3003
343 Communications: Radio Wave Antennas 305 554 604 757 776 2996
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 447 502 602 719 703 2973
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 610 626 530 610 573 2949
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 556 617 519 591 615 2898
341 Coded Data Generation or Conversion 566 442 458 645 761 2872
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 489 716 726 475 449 2855
252 Compositions 662 653 600 506 428 2849
297 Chairs and Seats 540 590 649 487 554 2820
417 Pumps 367 443 676 682 643 2811
315 Electric Lamp and Discharge Devices: Systems 450 473 540 614 728 2805
002 Apparel 507 601 565 549 497 2719
239 Fluid Sprinkling, Spraying, and Diffusing 527 573 639 479 498 2716
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 443 561 596 511 594 2705
015 Brushing, Scrubbing, and General Cleaning 543 598 614 503 444 2702
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 665 665 489 501 373 2693
607 Surgery: Light, Thermal, and Electrical Application 522 457 513 567 578 2637
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 453 578 547 568 464 2610
242 Winding, Tensioning, or Guiding 573 535 528 442 504 2582
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 385 421 514 630 524 2474
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 401 455 494 526 590 2466
118 Coating Apparatus 408 429 551 542 504 2434
106 Compositions: Coating or Plastic 557 517 427 427 474 2402
134 Cleaning and Liquid Contact with Solids 431 548 436 462 512 2389
326 Electronic Digital Logic Circuitry 326 356 532 582 584 2380
423 Chemistry of Inorganic Compounds 428 498 474 492 482 2374
414 Material or Article Handling 452 481 571 400 458 2362
363 Electric Power Conversion Systems 402 508 456 486 484 2336
372 Coherent Light Generators 502 464 470 449 440 2325
220 Receptacles 451 511 477 487 398 2324
180 Motor Vehicles 356 415 452 489 535 2247
101 Printing 527 444 428 385 438 2222
072 Metal Deforming 470 499 435 449 342 2195
436 Chemistry: Analytical and Immunological Testing 462 475 379 421 456 2193
198 Conveyors: Power-Driven 320 421 420 524 475 2160
148 Metal Treatment 390 407 400 468 479 2144
053 Package Making 536 390 455 385 359 2125
244 Aeronautics 404 383 435 445 449 2116
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 473 383 382 456 408 2102
378 X-Ray or Gamma Ray Systems or Devices 315 267 380 534 598 2094
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 367 385 479 410 435 2076
482 Exercise Devices 451 410 415 370 350 1996
119 Animal Husbandry 452 389 355 356 437 1989
433 Dentistry 440 398 362 453 335 1988
330 Amplifiers 266 353 423 447 478 1967
717 DP: Software Development, Installation, and Management (Data Processing) 307 403 371 507 333 1921
165 Heat Exchange 341 380 370 419 374 1884
333 Wave Transmission Lines and Networks 337 346 358 306 469 1816
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 275 348 336 461 392 1812
004 Baths, Closets, Sinks, and Spittoons 312 409 327 349 398 1795
162 Paper Making and Fiber Liberation 331 285 326 423 427 1792
381 Electrical Audio Signal Processing Systems and Devices 509 325 361 276 321 1792
084 Music 341 418 378 344 306 1787
188 Brakes 255 303 295 478 446 1777
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 269 245 236 405 547 1702
200 Electricity: Circuit Makers and Breakers 389 361 342 275 326 1693
386 Television Signal Processing for Dynamic Recording or Reproducing 334 337 310 332 372 1685
320 Electricity: Battery or Capacitor Charging or Discharging 244 322 361 397 355 1679
005 Beds 312 314 354 344 333 1657
405 Hydraulic and Earth Engineering 381 350 287 289 343 1650
708 Arithmetic Processing and Calculating (Electrical Computers) 383 399 297 288 254 1621
273 Amusement Devices: Games 359 310 291 310 321 1591
099 Foods and Beverages: Apparatus 304 350 331 327 276 1588
192 Clutches and Power-Stop Control 264 392 358 274 295 1583
307 Electrical Transmission or Interconnection Systems 317 384 327 268 286 1582
211 Supports: Racks 331 302 318 309 299 1559
323 Electricity: Power Supply or Regulation Systems 266 310 305 335 323 1539
285 Pipe Joints or Couplings 299 315 285 290 346 1535
024 Buckles, Buttons, Clasps, Etc. 289 299 275 305 357 1525
033 Geometrical Instruments 255 211 316 338 405 1525
081 Tools 184 285 351 407 293 1520
228 Metal Fusion Bonding 179 257 369 382 326 1513
271 Sheet Feeding or Delivering 201 323 319 358 289 1490
400 Typewriting Machines 321 330 305 243 262 1461
351 Optics: Eye Examining, Vision Testing and Correcting 278 322 311 292 257 1460
114 Ships 256 274 334 319 273 1456
030 Cutlery 276 304 289 281 305 1455
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 236 296 251 347 310 1440
446 Amusement Devices: Toys 257 260 330 284 308 1439
083 Cutting 301 335 313 285 204 1438
224 Package and Article Carriers 319 301 245 293 253 1411
070 Locks 338 319 249 211 285 1402
384 Bearings 254 263 267 311 306 1401
251 Valves and Valve Actuation 244 286 341 244 253 1368
463 Amusement Devices: Games 224 201 236 352 349 1362
034 Drying and Gas or Vapor Contact with Solids 241 283 345 233 253 1355
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 297 301 286 275 180 1339
415 Rotary Kinetic Fluid Motors or Pumps 190 188 275 301 379 1333
434 Education and Demonstration 285 273 286 228 246 1318
403 Joints and Connections 270 198 241 293 294 1296
175 Boring or Penetrating the Earth 212 231 267 304 276 1290
277 Seal for a Joint or Juncture 180 225 258 326 296 1285
355 Photocopying 224 250 225 317 267 1283
043 Fishing, Trapping, and Vermin Destroying 183 349 291 207 245 1275
303 Fluid-Pressure and Analogous Brake Systems 215 230 273 301 246 1265
331 Oscillators 228 220 267 298 223 1236
040 Card, Picture, or Sign Exhibiting 214 243 265 263 248 1233
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 199 246 229 272 285 1231
312 Supports: Cabinet Structure 235 260 271 207 246 1219
585 Chemistry of Hydrocarbon Compounds 243 269 231 221 250 1214
132 Toilet 243 322 239 188 168 1160
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 227 311 239 187 194 1158
216 Etching a Substrate: Processes 234 229 215 224 249 1151
401 Coating Implements with Material Supply 122 263 225 296 237 1143
036 Boots, Shoes, and Leggings 257 258 227 201 193 1136
095 Gas Separation: Processes 203 216 205 227 272 1123
501 Compositions: Ceramic 211 243 206 227 228 1115
504 Plant Protecting and Regulating Compositions 224 231 229 215 208 1107
241 Solid Material Comminution or Disintegration 245 279 211 173 197 1105
016 Miscellaneous Hardware 214 198 227 197 268 1104
715 DP: Presentation Processing of Document (Data Processing) 221 244 225 239 171 1100
294 Handling: Hand and Hoist-Line Implements 239 210 240 194 211 1094
164 Metal Founding 224 243 162 204 259 1092
138 Pipes and Tubular Conduits 172 240 274 216 177 1079
056 Harvesters 213 236 228 181 205 1063
366 Agitating (e.g., of articles and materials) 213 214 203 241 191 1062
065 Glass Manufacturing 234 250 175 195 201 1055
416 Fluid Reaction Surfaces (i.e., Impellers) 131 160 235 238 283 1047
431 Combustion 191 256 232 195 171 1045
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 202 234 226 191 187 1040
725 Interactive Video Distribution Systems 252 239 171 202 164 1028
209 Classifying, Separating, and Assorting Solids 166 221 220 225 175 1007
602 Surgery: Splint, Brace, or Bandage 234 212 223 182 155 1006
475 Planetary Gear Transmission Systems or Components 168 260 213 143 214 998
380 Cryptography 233 158 230 204 167 992
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 227 195 199 192 176 989
047 Plant Husbandry 142 192 235 200 216 985
049 Movable or Removable Closures 176 181 236 194 191 978
208 Mineral Oils: Processes and Products 152 254 206 193 167 972
292 Closure Fasteners 184 188 232 125 240 969
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 123 220 192 222 201 958
440 Marine Propulsion 152 162 210 223 211 958
160 Flexible or Portable Closure, Partition, or Panel 170 165 239 211 172 957
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 217 225 221 170 116 949
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 203 184 188 208 156 939
477 Interrelated Power Delivery Controls, Including Engine Control 203 210 202 146 176 937
229 Envelopes, Wrappers, and Paperboard Boxes 200 198 191 188 152 929
126 Stoves and Furnaces 162 229 223 181 123 918
418 Rotary Expansible Chamber Devices 129 94 281 231 170 905
706 DP: Artificial Intelligence (Data Processing) 305 127 129 153 167 881
454 Ventilation 177 149 171 196 176 869
055 Gas Separation 184 150 170 170 190 864
367 Communications, Electrical: Acoustic Wave Systems and Devices 222 163 192 148 134 859
152 Resilient Tires and Wheels 136 129 175 170 233 843
267 Spring Devices 120 149 158 183 221 831
108 Horizontally Supported Planar Surfaces 157 176 190 151 155 829
102 Ammunition and Explosives 155 132 121 213 188 809
182 Fire Escape, Ladder, or Scaffold 151 191 162 130 167 801
474 Endless Belt Power Transmission Systems or Components 148 138 184 136 193 799
215 Bottles and Jars 186 195 164 134 116 795
181 Acoustics 154 172 172 126 152 776
112 Sewing 181 188 156 145 87 757
368 Horology: Time Measuring Systems or Devices 145 140 130 183 158 756
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 154 181 116 131 170 752
221 Article Dispensing 134 145 152 173 141 745
136 Batteries: Thermoelectric and Photoelectric 72 118 171 203 179 743
374 Thermal Measuring and Testing 192 95 176 138 137 738
042 Firearms 149 136 87 164 189 725
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 134 99 104 227 135 699
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 153 147 171 137 88 696
096 Gas Separation: Apparatus 138 133 126 130 168 695
092 Expansible Chamber Devices 140 136 98 152 159 685
135 Tent, Canopy, Umbrella, or Cane 131 108 121 184 132 676
254 Implements or Apparatus for Applying Pushing or Pulling Force 100 142 150 135 137 664
404 Road Structure, Process, or Apparatus 108 147 140 115 152 662
336 Inductor Devices 110 102 127 136 179 654
353 Optics: Image Projectors 113 96 100 132 209 650
376 Induced Nuclear Reactions: Processes, Systems, and Elements 184 156 82 115 110 647
408 Cutting by Use of Rotating Axially Moving Tool 150 170 94 129 86 629
445 Electric Lamp or Space Discharge Component or Device Manufacturing 115 131 165 106 105 622
057 Textiles: Spinning, Twisting, and Twining 161 116 107 132 98 614
269 Work Holders 104 127 137 123 122 613
601 Surgery: Kinesitherapy 141 92 101 153 118 605
172 Earth Working 134 111 131 127 100 603
144 Woodworking 107 139 132 110 111 599
139 Textiles: Weaving 106 89 137 156 97 585
261 Gas and Liquid Contact Apparatus 86 111 119 136 129 581
037 Excavating 100 112 122 106 137 577
392 Electric Resistance Heating Devices 91 117 131 129 106 574
283 Printed Matter 118 137 125 117 75 572
383 Flexible Bags 89 117 133 132 100 571
089 Ordnance 123 107 83 125 118 556
301 Land Vehicles: Wheels and Axles 78 86 121 127 130 542
432 Heating 112 136 99 107 88 542
409 Gear Cutting, Milling, or Planing 108 117 116 90 106 537
227 Elongated-Member-Driving Apparatus 126 110 121 94 83 534
110 Furnaces 142 81 90 118 92 523
338 Electrical Resistors 86 117 102 99 104 508
066 Textiles: Knitting 73 89 141 128 71 502
044 Fuel and Related Compositions 100 104 118 96 76 494
124 Mechanical Guns and Projectors 106 109 99 82 77 473
091 Motors: Expansible Chamber Type 111 77 80 92 105 465
100 Presses 135 105 81 82 56 459
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 112 122 83 78 56 451
441 Buoys, Rafts, and Aquatic Devices 94 85 93 92 82 446
452 Butchering 92 89 111 100 52 444
266 Metallurgical Apparatus 75 86 92 91 87 431
131 Tobacco 129 79 89 61 67 425
068 Textiles: Fluid Treating Apparatus 112 111 69 49 79 420
173 Tool Driving or Impacting 76 84 99 91 65 415
290 Prime-Mover Dynamo Plants 65 54 82 108 106 415
177 Weighing Scales 111 91 57 71 83 413
122 Liquid Heaters and Vaporizers 85 82 82 79 81 409
236 Automatic Temperature and Humidity Regulation 68 87 80 80 85 400
105 Railway Rolling Stock 89 55 64 98 91 397
410 Freight Accommodation On Freight Carrier 61 71 97 88 80 397
419 Powder Metallurgy Processes 70 102 75 75 70 392
337 Electricity: Electrothermally or Thermally Actuated Switches 99 104 64 48 76 391
104 Railways 72 51 65 92 105 385
505 Superconductor Technology: Apparatus, Material, Process 86 107 74 61 54 382
223 Apparel Apparatus 61 82 93 85 50 371
588 Hazardous or Toxic Waste Destruction or Containment 91 80 67 58 62 358
407 Cutters, for Shaping 77 83 84 72 38 354
082 Turning (e.g., for metal working) 73 82 67 75 55 352
169 Fire Extinguishers 67 87 96 49 52 351
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 67 61 72 72 71 343
420 Alloys or Metallic Compositions 65 77 58 67 67 334
194 Check-Actuated Control Mechanisms 56 84 81 65 34 320
203 Distillation: Processes, Separatory 84 74 48 40 70 316
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 79 55 47 64 60 305
279 Chucks or Sockets 57 71 46 70 55 299
507 Earth Boring, Well Treating, and Oil Field Chemistry 64 58 59 65 44 290
116 Signals and Indicators 39 51 59 66 74 289
184 Lubrication 51 44 59 69 66 289
226 Advancing Material of Indeterminate Length 79 58 47 51 53 288
051 Abrasive Tool Making Process, Material, or Composition 40 52 45 70 79 286
472 Amusement Devices 69 55 56 45 57 282
125 Stone Working 41 47 68 64 60 280
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 53 52 66 44 65 280
256 Fences 51 48 62 69 44 274
111 Planting 38 58 59 68 48 271
019 Textiles: Fiber Preparation 46 45 58 65 52 266
071 Chemistry: Fertilizers 58 42 38 62 66 266
149 Explosive and Thermic Compositions or Charges 55 38 73 56 42 264
281 Books, Strips, and Leaves 51 71 54 48 34 258
406 Conveyors: Fluid Current 42 31 49 65 67 254
494 Imperforate Bowl: Centrifugal Separators 49 52 50 47 48 246
373 Industrial Electric Heating Furnaces 36 72 56 36 42 242
270 Sheet-Material Associating 67 33 33 61 45 239
322 Electricity: Single Generator Systems 62 36 49 49 38 234
028 Textiles: Manufacturing 39 45 54 44 51 233
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 51 47 52 47 36 233
299 Mining or In Situ Disintegration of Hard Material 39 39 45 56 53 232
450 Foundation Garments 28 41 57 52 54 232
249 Static Molds 50 39 35 54 45 223
237 Heating Systems 49 45 46 38 38 216
063 Jewelry 40 33 41 36 57 207
492 Roll or Roller 52 38 28 43 46 207
293 Vehicle Fenders 30 28 32 61 53 204
212 Traversing Hoists 47 37 51 38 30 203
190 Trunks and Hand-Carried Luggage 37 38 39 47 39 200
305 Wheel Substitutes for Land Vehicles 34 29 41 43 51 198
007 Compound Hand Tools 31 40 41 45 39 196
014 Bridges 39 40 32 28 53 192
038 Textiles: Ironing or Smoothing 34 33 38 30 36 171
460 Crop Threshing or Separating 33 34 30 33 41 171
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 23 25 38 45 40 171
246 Railway Switches and Signals 45 16 30 34 37 162
483 Tool Changing 30 39 36 22 35 162
332 Modulators 41 35 27 32 25 160
329 Demodulators 36 30 36 32 17 151
127 Sugar, Starch, and Carbohydrates 32 46 21 26 25 150
140 Wireworking 37 33 30 26 21 147
225 Severing by Tearing or Breaking 36 35 21 26 29 147
476 Friction Gear Transmission Systems or Components 13 25 38 35 36 147
059 Chain, Staple, and Horseshoe Making 27 27 23 41 28 146
202 Distillation: Apparatus 31 35 24 25 21 136
238 Railways: Surface Track 31 14 22 32 36 135
412 Bookbinding: Process and Apparatus 20 25 37 26 26 134
054 Harness (for animals) 27 12 31 24 33 127
048 Gas: Heating and Illuminating 44 28 19 24 7 122
193 Conveyors, Chutes, Skids, Guides, and Ways 4 26 25 34 28 117
512 Perfume Compositions 23 14 29 26 23 115
232 Deposit and Collection Receptacles 25 28 19 24 18 114
076 Metal Tools and Implements, Making 23 18 31 20 18 110
453 Coin Handling 16 24 29 24 15 108
150 Purses, Wallets, and Protective Covers 19 17 28 23 18 105
191 Electricity: Transmission To Vehicles 18 15 14 35 23 105
178 Telegraphy 36 32 10 14 11 103
352 Optics: Motion Pictures 18 26 21 20 18 103
027 Undertaking 24 20 23 23 12 102
001 ** Classification Undetermined ** 34 30 13 9 9 95
298 Land Vehicles: Dumping 17 11 21 25 16 90
346 Recorders 17 22 22 13 12 86
388 Electricity: Motor Control Systems 16 21 21 9 15 82
026 Textiles: Cloth Finishing 23 25 14 12 7 81
213 Railway Draft Appliances 14 14 13 22 14 77
086 Ammunition and Explosive-Charge Making 21 10 11 16 15 73
109 Safes, Bank Protection, or a Related Device 21 16 11 7 12 67
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 18 15 12 12 10 67
157 Wheelwright Machines 5 7 15 23 8 58
012 Boot and Shoe Making 13 20 6 11 5 55
023 Chemistry: Physical Processes 13 7 14 10 11 55
087 Textiles: Braiding, Netting, and Lace Making 13 15 7 8 11 54
300 Brush, Broom, and Mop Making 12 12 5 12 12 53
168 Farriery 8 6 12 10 16 52
159 Concentrating Evaporators 14 9 8 5 8 44
186 Merchandising 12 9 10 6 7 44
413 Sheet Metal Container Making 11 16 7 3 7 44
289 Knots and Knot Tying 3 7 5 10 7 32
171 Unearthing Plants or Buried Objects 6 2 7 4 5 24
201 Distillation: Processes, Thermolytic 12 3 5 3 1 24
185 Motors: Spring, Weight, or Animal Powered 3 5 4 3 6 21
260 Chemistry of Carbon Compounds 4 0 3 10 2 19
295 Railway Wheels and Axles 0 9 2 3 4 18
462 Books, Strips, and Leaves for Manifolding 2 3 3 5 5 18
449 Bee Culture (propagating, raising, caring for bees) 3 3 3 1 6 16
217 Wooden Receptacles 5 5 3 1 1 15
334 Tuners 4 4 1 2 4 15
196 Mineral Oils: Apparatus 5 2 3 1 1 12
142 Wood Turning 1 5 2 2 0 10
069 Leather Manufactures 1 2 2 1 1 7
147 Coopering 1 0 0 4 0 5
231 Whips and Whip Apparatus 0 0 4 0 1 5
245 Wire Fabrics and Structure 1 0 1 3 0 5
079 Button Making 0 1 1 0 1 3
291 Track Sanders 0 0 1 0 1 2
163 Needle and Pin Making 0 0 1 0 0 1
ALL ALL CLASSES 147518 153486 157495 166037 167333 791869


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