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 1996 - 2000 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 FOREIGN REGIONS

(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 1996 1997 1998 1999 2000 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 1977 2476 2816 2977 2855 13101
532 Organic Compounds (includes Classes 532-570) 1489 1596 1905 1823 1651 8464
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 1438 1474 1749 1678 1787 8126
438 Semiconductor Device Manufacturing: Process 849 1009 1347 1911 2465 7581
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 915 1009 1465 1578 1609 6576
428 Stock Material or Miscellaneous Articles 1069 1151 1388 1478 1433 6519
435 Chemistry: Molecular Biology and Microbiology 697 885 1365 1298 1174 5419
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 908 888 1065 1117 1140 5118
359 Optics: Systems (Including Communication) and Elements 809 801 1186 1113 1126 5035
365 Static Information Storage and Retrieval 593 688 890 966 1132 4269
123 Internal-Combustion Engines 662 724 896 846 920 4048
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 508 621 994 930 944 3997
439 Electrical Connectors 500 631 688 906 1267 3992
369 Dynamic Information Storage or Retrieval 680 684 925 821 725 3835
399 Electrophotography 646 554 793 829 778 3600
073 Measuring and Testing 644 605 755 710 688 3402
348 Television 682 564 730 691 601 3268
347 Incremental Printing of Symbolic Information 379 347 635 687 959 3007
455 Telecommunications 368 302 588 770 902 2930
370 Multiplex Communications 511 413 562 691 730 2907
396 Photography 517 584 720 524 506 2851
128 Surgery (includes Class 600) 416 481 654 587 656 2794
375 Pulse or Digital Communications 420 425 625 603 649 2722
360 Dynamic Magnetic Information Storage or Retrieval 396 425 617 613 615 2666
358 Facsimile and Static Presentation Processing 484 402 659 559 500 2604
382 Image Analysis 257 311 659 727 644 2598
250 Radiant Energy 449 417 537 544 518 2465
361 Electricity: Electrical Systems and Devices 399 345 544 525 588 2401
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 340 317 501 585 636 2379
029 Metal Working 368 398 522 471 569 2328
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 347 436 549 515 474 2321
324 Electricity: Measuring and Testing 526 444 441 393 507 2311
340 Communications: Electrical 347 384 521 507 544 2303
310 Electrical Generator or Motor Structure 248 305 565 554 589 2261
427 Coating Processes 349 403 436 511 531 2230
210 Liquid Purification or Separation 428 425 457 443 445 2198
356 Optics: Measuring and Testing 359 351 511 459 483 2163
280 Land Vehicles 335 285 410 480 583 2093
219 Electric Heating 312 274 420 497 583 2086
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 281 363 437 495 464 2040
349 Liquid Crystal Cells, Elements and Systems 286 296 502 401 544 2029
062 Refrigeration 253 295 372 443 425 1788
385 Optical Waveguides 264 305 409 377 414 1769
714 Error Detection/Correction and Fault Detection/Recovery 297 261 425 387 391 1761
060 Power Plants 229 291 376 374 397 1667
318 Electricity: Motive Power Systems 271 233 423 375 363 1665
252 Compositions 311 259 377 380 337 1664
313 Electric Lamp and Discharge Devices 235 221 397 410 367 1630
074 Machine Element or Mechanism 263 251 375 357 362 1608
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 241 171 297 346 462 1517
242 Winding, Tensioning, or Guiding 270 255 356 311 313 1505
137 Fluid Handling 186 224 288 349 401 1448
379 Telephonic Communications 244 178 345 355 295 1417
604 Surgery (Medicators and Receptors) 200 238 340 332 305 1415
426 Food or Edible Material: Processes, Compositions, and Products 230 195 253 360 348 1386
606 Surgery (instruments) 159 239 321 294 345 1358
052 Static Structures (e.g., Buildings) 215 256 297 284 300 1352
362 Illumination 202 225 264 278 383 1352
101 Printing 223 238 339 275 275 1350
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 245 221 257 248 353 1324
072 Metal Deforming 167 213 278 304 285 1247
386 Television Signal Processing for Dynamic Recording or Reproducing 225 179 282 288 253 1227
204 Chemistry: Electrical and Wave Energy 201 209 243 217 344 1214
710 Input/Output (Electrical Computers and Digital Processing Systems) 181 181 282 272 262 1178
106 Compositions: Coating or Plastic 180 210 272 283 229 1174
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 132 131 297 289 318 1167
417 Pumps 204 177 197 221 365 1164
423 Chemistry of Inorganic Compounds 187 205 225 265 268 1150
341 Coded Data Generation or Conversion 141 235 319 224 230 1149
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 229 202 247 255 214 1147
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 111 175 298 314 245 1143
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 210 222 280 209 217 1138
148 Metal Treatment 205 182 236 257 254 1134
206 Special Receptacle or Package 166 163 245 275 266 1115
118 Coating Apparatus 200 202 215 219 270 1106
315 Electric Lamp and Discharge Devices: Systems 161 153 240 251 289 1094
711 Memory (Electrical Computers and Digital Processing Systems) 215 161 246 222 239 1083
363 Electric Power Conversion Systems 131 188 220 294 246 1079
222 Dispensing (apparatus and process) 167 164 206 281 249 1067
372 Coherent Light Generators 184 181 245 226 223 1059
707 DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) 131 159 276 283 210 1059
451 Abrading 152 191 163 228 320 1054
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 147 158 223 291 229 1048
700 DP: Generic Control Systems or Specific Applications (Data Processing) 212 142 282 222 182 1040
297 Chairs and Seats 154 169 202 240 265 1030
192 Clutches and Power-Stop Control 143 184 183 257 255 1022
180 Motor Vehicles 166 106 211 251 254 988
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 131 136 178 243 252 940
053 Package Making 148 156 250 157 224 935
248 Supports (e.g., for holding articles, etc.) 133 132 206 205 258 934
414 Material or Article Handling 181 166 188 180 215 930
239 Fluid Sprinkling, Spraying, and Diffusing 111 135 211 221 250 928
400 Typewriting Machines 165 148 202 206 205 926
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 160 142 197 176 248 923
015 Brushing, Scrubbing, and General Cleaning 137 153 190 205 226 911
165 Heat Exchange 150 152 175 219 210 906
084 Music 185 150 176 217 176 904
198 Conveyors: Power-Driven 141 130 176 219 220 886
333 Wave Transmission Lines and Networks 121 137 196 206 223 883
381 Electrical Audio Signal Processing Systems and Devices 145 156 245 153 175 874
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 103 176 195 239 150 863
271 Sheet Feeding or Delivering 134 146 138 218 223 859
343 Communications: Radio Wave Antennas 95 96 131 247 282 851
174 Electricity: Conductors and Insulators 152 121 195 156 224 848
713 Support (Electrical Computers and Digital Processing Systems) 82 97 187 229 237 832
296 Land Vehicles: Bodies and Tops 112 112 158 199 242 823
200 Electricity: Circuit Makers and Breakers 106 116 200 202 196 820
303 Fluid-Pressure and Analogous Brake Systems 149 140 159 174 194 816
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 158 158 150 176 163 805
384 Bearings 137 127 163 162 199 788
473 Games Using Tangible Projectile 122 126 222 159 142 771
477 Interrelated Power Delivery Controls, Including Engine Control 106 156 171 179 150 762
134 Cleaning and Liquid Contact with Solids 107 108 171 204 169 759
702 DP: Measuring, Calibrating, or Testing (Data Processing) 120 126 170 162 171 749
708 Arithmetic Processing and Calculating (Electrical Computers) 147 126 164 193 112 742
355 Photocopying 71 142 169 190 169 741
307 Electrical Transmission or Interconnection Systems 100 117 164 181 170 732
162 Paper Making and Fiber Liberation 127 154 159 139 152 731
220 Receptacles 124 127 128 182 170 731
188 Brakes 156 104 142 151 175 728
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 139 124 170 180 111 724
099 Foods and Beverages: Apparatus 108 151 138 174 151 722
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 134 103 146 185 142 710
378 X-Ray or Gamma Ray Systems or Devices 155 129 148 112 156 700
501 Compositions: Ceramic 112 131 140 173 139 695
436 Chemistry: Analytical and Immunological Testing 109 104 168 169 129 679
504 Plant Protecting and Regulating Compositions 126 128 135 126 147 662
330 Amplifiers 93 87 124 165 191 660
320 Electricity: Battery or Capacitor Charging or Discharging 61 136 124 163 172 656
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 108 91 131 133 190 653
034 Drying and Gas or Vapor Contact with Solids 120 110 109 131 168 638
326 Electronic Digital Logic Circuitry 121 108 111 105 179 624
024 Buckles, Buttons, Clasps, Etc. 111 134 126 136 115 622
164 Metal Founding 100 124 144 146 107 621
323 Electricity: Power Supply or Regulation Systems 91 110 114 150 155 620
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 93 92 119 149 162 615
403 Joints and Connections 112 138 130 108 121 609
351 Optics: Eye Examining, Vision Testing and Correcting 86 96 128 155 143 608
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 83 70 137 166 146 602
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 113 73 111 150 138 585
112 Sewing 94 97 134 136 114 575
241 Solid Material Comminution or Disintegration 121 99 124 125 105 574
083 Cutting 62 76 136 151 148 573
475 Planetary Gear Transmission Systems or Components 96 109 103 158 107 573
228 Metal Fusion Bonding 89 90 75 123 192 569
070 Locks 85 104 128 138 104 559
405 Hydraulic and Earth Engineering 107 79 143 113 104 546
433 Dentistry 70 85 124 136 131 546
251 Valves and Valve Actuation 65 65 110 134 160 534
285 Pipe Joints or Couplings 71 72 106 149 132 530
331 Oscillators 71 79 116 117 143 526
415 Rotary Kinetic Fluid Motors or Pumps 100 73 92 99 151 515
002 Apparel 63 88 103 128 123 505
065 Glass Manufacturing 55 105 123 120 99 502
030 Cutlery 82 108 93 112 101 496
277 Seal for a Joint or Juncture 98 109 76 97 114 494
057 Textiles: Spinning, Twisting, and Twining 92 85 124 99 90 490
418 Rotary Expansible Chamber Devices 98 74 87 64 163 486
482 Exercise Devices 91 84 112 91 107 485
244 Aeronautics 69 55 114 108 137 483
607 Surgery: Light, Thermal, and Electrical Application 79 77 116 93 116 481
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 57 63 112 116 129 477
216 Etching a Substrate: Processes 70 94 107 111 88 470
431 Combustion 80 52 106 118 108 464
016 Miscellaneous Hardware 84 70 89 91 127 461
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 40 51 92 159 117 459
366 Agitating (e.g., of articles and materials) 114 59 98 88 97 456
152 Resilient Tires and Wheels 66 85 88 87 121 447
474 Endless Belt Power Transmission Systems or Components 59 79 90 94 123 445
209 Classifying, Separating, and Assorting Solids 76 87 76 100 104 443
585 Chemistry of Hydrocarbon Compounds 68 62 103 118 89 440
138 Pipes and Tubular Conduits 46 51 84 107 149 437
033 Geometrical Instruments 78 68 77 73 137 433
004 Baths, Closets, Sinks, and Spittoons 47 64 91 134 91 427
005 Beds 81 85 87 81 92 426
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 83 75 55 106 100 419
119 Animal Husbandry 57 60 116 90 95 418
440 Marine Propulsion 70 53 78 91 126 418
036 Boots, Shoes, and Leggings 69 67 101 94 80 411
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 51 60 77 94 129 411
139 Textiles: Weaving 75 77 85 68 104 409
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 71 80 87 77 90 405
706 DP: Artificial Intelligence (Data Processing) 91 90 134 47 43 405
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 71 71 90 85 87 404
114 Ships 76 62 68 84 110 400
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 74 62 77 95 87 395
267 Spring Devices 71 67 75 92 86 391
380 Cryptography 59 66 93 66 107 391
368 Horology: Time Measuring Systems or Devices 72 67 85 77 86 387
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 54 63 92 83 93 385
312 Supports: Cabinet Structure 53 59 75 93 103 383
081 Tools 51 38 60 93 137 379
401 Coating Implements with Material Supply 32 32 66 133 114 377
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 62 65 73 83 86 369
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 80 84 73 76 56 369
049 Movable or Removable Closures 56 47 84 72 108 367
292 Closure Fasteners 69 59 69 82 88 367
273 Amusement Devices: Games 63 87 79 69 58 356
416 Fluid Reaction Surfaces (i.e., Impellers) 68 57 45 73 113 356
463 Amusement Devices: Games 27 56 78 81 101 343
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 64 53 68 89 68 342
066 Textiles: Knitting 70 48 51 65 107 341
132 Toilet 43 50 68 95 82 338
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 55 69 90 65 59 338
092 Expansible Chamber Devices 47 58 84 79 66 334
454 Ventilation 54 61 79 68 68 330
446 Amusement Devices: Toys 38 42 85 83 81 329
717 DP: Software Development, Installation, and Management (Data Processing) 34 40 89 84 80 327
445 Electric Lamp or Space Discharge Component or Device Manufacturing 37 44 71 70 97 319
095 Gas Separation: Processes 43 36 79 83 76 317
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 50 47 76 75 69 317
175 Boring or Penetrating the Earth 56 44 70 59 86 315
126 Stoves and Furnaces 42 45 53 86 85 311
353 Optics: Image Projectors 48 57 71 57 77 310
091 Motors: Expansible Chamber Type 59 57 77 54 61 308
211 Supports: Racks 45 46 78 55 83 307
376 Induced Nuclear Reactions: Processes, Systems, and Elements 59 53 75 77 43 307
181 Acoustics 46 39 70 74 71 300
040 Card, Picture, or Sign Exhibiting 48 56 63 57 69 293
215 Bottles and Jars 48 46 76 61 58 289
725 Interactive Video Distribution Systems 45 40 78 73 52 288
068 Textiles: Fluid Treating Apparatus 36 51 78 77 43 285
136 Batteries: Thermoelectric and Photoelectric 45 40 42 65 90 282
336 Inductor Devices 43 24 65 67 83 282
408 Cutting by Use of Rotating Axially Moving Tool 41 43 63 86 49 282
055 Gas Separation 43 43 64 60 70 280
160 Flexible or Portable Closure, Partition, or Panel 54 58 44 50 72 278
056 Harvesters 42 29 64 74 68 277
100 Presses 55 58 67 52 41 273
110 Furnaces 44 63 61 50 51 269
432 Heating 28 39 68 74 60 269
096 Gas Separation: Apparatus 50 45 58 56 59 268
505 Superconductor Technology: Apparatus, Material, Process 81 50 47 50 39 267
374 Thermal Measuring and Testing 27 50 73 41 75 266
434 Education and Demonstration 45 35 66 60 58 264
409 Gear Cutting, Milling, or Planing 33 37 61 72 55 258
338 Electrical Resistors 37 36 51 68 63 255
294 Handling: Hand and Hoist-Line Implements 33 48 54 48 66 249
047 Plant Husbandry 41 33 38 68 67 247
227 Elongated-Member-Driving Apparatus 30 48 58 42 69 247
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 32 27 49 71 64 243
208 Mineral Oils: Processes and Products 28 27 47 80 60 242
224 Package and Article Carriers 46 45 54 57 39 241
108 Horizontally Supported Planar Surfaces 42 42 55 45 56 240
102 Ammunition and Explosives 61 49 48 43 37 238
367 Communications, Electrical: Acoustic Wave Systems and Devices 59 30 62 44 39 234
229 Envelopes, Wrappers, and Paperboard Boxes 45 39 52 47 46 229
420 Alloys or Metallic Compositions 49 35 51 53 41 229
131 Tobacco 48 48 57 28 45 226
144 Woodworking 29 30 40 65 61 225
266 Metallurgical Apparatus 40 47 36 51 49 223
407 Cutters, for Shaping 24 29 55 57 58 223
043 Fishing, Trapping, and Vermin Destroying 46 28 27 62 58 221
173 Tool Driving or Impacting 25 19 46 56 68 214
089 Ordnance 31 53 47 49 29 209
419 Powder Metallurgy Processes 44 44 28 51 39 206
019 Textiles: Fiber Preparation 49 43 35 32 46 205
254 Implements or Apparatus for Applying Pushing or Pulling Force 32 34 36 46 54 202
602 Surgery: Splint, Brace, or Bandage 22 30 50 45 55 202
261 Gas and Liquid Contact Apparatus 37 41 33 41 49 201
337 Electricity: Electrothermally or Thermally Actuated Switches 17 39 57 54 30 197
135 Tent, Canopy, Umbrella, or Cane 38 27 45 34 50 194
221 Article Dispensing 33 15 35 42 69 194
452 Butchering 33 29 47 40 45 194
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 37 22 55 41 37 192
601 Surgery: Kinesitherapy 32 37 49 35 38 191
172 Earth Working 34 30 47 37 41 189
404 Road Structure, Process, or Apparatus 40 28 35 44 37 184
044 Fuel and Related Compositions 31 21 29 51 50 182
301 Land Vehicles: Wheels and Axles 25 19 24 45 63 176
104 Railways 43 48 34 18 32 175
177 Weighing Scales 19 23 64 40 29 175
194 Check-Actuated Control Mechanisms 51 22 27 38 36 174
392 Electric Resistance Heating Devices 18 25 28 49 53 173
037 Excavating 30 28 45 33 31 167
182 Fire Escape, Ladder, or Scaffold 18 22 41 49 32 162
269 Work Holders 20 14 36 45 46 161
122 Liquid Heaters and Vaporizers 23 13 37 49 36 158
236 Automatic Temperature and Humidity Regulation 16 16 34 49 40 155
373 Industrial Electric Heating Furnaces 37 21 27 41 29 155
270 Sheet-Material Associating 32 33 42 21 23 151
588 Hazardous or Toxic Waste Destruction or Containment 38 22 36 30 25 151
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 25 27 31 29 35 147
028 Textiles: Manufacturing 22 35 27 28 34 146
226 Advancing Material of Indeterminate Length 19 25 46 31 22 143
082 Turning (e.g., for metal working) 18 25 27 34 37 141
169 Fire Extinguishers 22 21 34 31 31 139
322 Electricity: Single Generator Systems 25 29 39 19 25 137
203 Distillation: Processes, Separatory 25 29 30 36 16 136
290 Prime-Mover Dynamo Plants 9 19 36 29 42 135
105 Railway Rolling Stock 23 25 31 26 22 127
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 26 20 29 26 25 126
237 Heating Systems 15 15 34 29 31 124
441 Buoys, Rafts, and Aquatic Devices 19 22 26 20 33 120
492 Roll or Roller 16 22 35 25 21 119
125 Stone Working 9 19 22 23 41 114
383 Flexible Bags 14 16 27 25 26 108
483 Tool Changing 11 18 23 29 27 108
071 Chemistry: Fertilizers 18 31 25 14 19 107
042 Firearms 17 24 25 24 16 106
329 Demodulators 16 19 24 21 25 105
184 Lubrication 16 15 24 25 23 103
283 Printed Matter 15 18 14 26 28 101
332 Modulators 22 14 27 18 18 99
494 Imperforate Bowl: Centrifugal Separators 14 16 25 21 22 98
038 Textiles: Ironing or Smoothing 14 24 13 17 27 95
476 Friction Gear Transmission Systems or Components 13 12 11 21 34 91
279 Chucks or Sockets 9 15 16 29 20 89
178 Telegraphy 28 27 16 13 3 87
299 Mining or In Situ Disintegration of Hard Material 19 21 9 18 20 87
212 Traversing Hoists 8 20 27 10 21 86
190 Trunks and Hand-Carried Luggage 17 15 21 14 15 82
223 Apparel Apparatus 10 14 21 17 20 82
472 Amusement Devices 15 8 21 18 15 77
014 Bridges 24 12 16 16 8 76
051 Abrasive Tool Making Process, Material, or Composition 11 21 10 20 14 76
149 Explosive and Thermic Compositions or Charges 26 11 13 8 17 75
140 Wireworking 12 16 15 17 13 73
281 Books, Strips, and Leaves 13 9 14 23 14 73
412 Bookbinding: Process and Apparatus 10 11 9 18 22 70
249 Static Molds 11 16 15 13 13 68
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 5 14 21 17 11 68
406 Conveyors: Fluid Current 17 11 12 5 23 68
059 Chain, Staple, and Horseshoe Making 7 9 17 18 14 65
202 Distillation: Apparatus 7 12 15 22 9 65
048 Gas: Heating and Illuminating 8 15 23 14 4 64
507 Earth Boring, Well Treating, and Oil Field Chemistry 8 16 15 12 12 63
512 Perfume Compositions 13 10 15 9 15 62
410 Freight Accommodation On Freight Carrier 9 2 13 19 18 61
453 Coin Handling 11 9 9 15 17 61
111 Planting 13 8 9 14 16 60
127 Sugar, Starch, and Carbohydrates 9 6 9 25 11 60
256 Fences 11 14 8 11 15 59
063 Jewelry 13 13 12 8 11 57
001 ** Classification Undetermined ** 1 3 20 12 19 55
124 Mechanical Guns and Projectors 6 18 9 10 12 55
116 Signals and Indicators 10 11 8 9 15 53
238 Railways: Surface Track 9 13 17 5 9 53
225 Severing by Tearing or Breaking 8 11 9 12 12 52
293 Vehicle Fenders 3 6 16 11 16 52
460 Crop Threshing or Separating 12 5 11 10 14 52
191 Electricity: Transmission To Vehicles 7 10 11 12 8 48
305 Wheel Substitutes for Land Vehicles 4 8 14 12 10 48
352 Optics: Motion Pictures 8 10 6 9 15 48
026 Textiles: Cloth Finishing 10 7 13 12 4 46
388 Electricity: Motor Control Systems 12 8 6 9 10 45
450 Foundation Garments 2 4 9 12 18 45
076 Metal Tools and Implements, Making 8 9 7 8 12 44
246 Railway Switches and Signals 10 9 11 6 8 44
007 Compound Hand Tools 6 8 6 8 13 41
346 Recorders 14 8 8 6 3 39
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 3 4 11 8 12 38
159 Concentrating Evaporators 7 3 9 7 7 33
023 Chemistry: Physical Processes 4 4 7 6 11 32
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 4 9 8 4 5 30
012 Boot and Shoe Making 3 6 5 9 4 27
300 Brush, Broom, and Mop Making 6 6 6 3 5 26
413 Sheet Metal Container Making 2 4 6 11 2 25
193 Conveyors, Chutes, Skids, Guides, and Ways 3 2 1 12 6 24
054 Harness (for animals) 6 2 6 3 5 22
201 Distillation: Processes, Thermolytic 4 9 5 0 3 21
109 Safes, Bank Protection, or a Related Device 2 4 8 1 2 17
186 Merchandising 4 3 3 5 2 17
232 Deposit and Collection Receptacles 4 0 3 4 6 17
150 Purses, Wallets, and Protective Covers 1 2 2 2 9 16
027 Undertaking 0 4 3 5 3 15
086 Ammunition and Explosive-Charge Making 2 4 6 1 2 15
087 Textiles: Braiding, Netting, and Lace Making 3 0 4 4 2 13
157 Wheelwright Machines 1 3 3 0 5 12
213 Railway Draft Appliances 8 2 1 0 1 12
295 Railway Wheels and Axles 3 2 0 6 1 12
168 Farriery 2 1 2 3 3 11
171 Unearthing Plants or Buried Objects 2 3 3 2 1 11
449 Bee Culture (propagating, raising, caring for bees) 1 5 1 2 2 11
298 Land Vehicles: Dumping 4 1 2 0 2 9
196 Mineral Oils: Apparatus 1 2 2 1 2 8
069 Leather Manufactures 0 3 1 1 2 7
142 Wood Turning 1 1 1 3 0 6
185 Motors: Spring, Weight, or Animal Powered 0 2 2 1 0 5
334 Tuners 0 0 4 1 0 5
217 Wooden Receptacles 0 0 2 1 1 4
260 Chemistry of Carbon Compounds 0 0 2 0 2 4
462 Books, Strips, and Leaves for Manifolding 0 1 0 1 1 3
231 Whips and Whip Apparatus 0 1 0 0 1 2
289 Knots and Knot Tying 1 0 1 0 0 2
163 Needle and Pin Making 1 0 0 0 0 1
ALL ALL CLASSES 48541 50276 67228 69580 72425 308050



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tel: (703) 306-2600
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Last Modified: April 30, 2001