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 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 1997 1998 1999 2000 2001 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 2472 2815 2977 2855 3110 14229
438 Semiconductor Device Manufacturing: Process 1009 1348 1911 2465 3207 9940
532 Organic Compounds (includes Classes 532-570) 1597 1906 1823 1651 1829 8806
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 1479 1750 1678 1783 2024 8714
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 1009 1465 1579 1609 1737 7399
428 Stock Material or Miscellaneous Articles 1151 1388 1480 1440 1629 7088
435 Chemistry: Molecular Biology and Microbiology 886 1366 1296 1175 1379 6102
359 Optics: Systems (Including Communication) and Elements 801 1186 1113 1123 1250 5473
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 883 1066 1119 1139 1091 5298
439 Electrical Connectors 631 688 906 1267 1345 4837
365 Static Information Storage and Retrieval 688 890 965 1132 1154 4829
123 Internal-Combustion Engines 724 896 845 921 1122 4508
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 612 974 918 932 1051 4487
369 Dynamic Information Storage or Retrieval 678 918 809 731 842 3978
347 Incremental Printing of Symbolic Information 347 635 687 959 1151 3779
399 Electrophotography 554 792 827 779 730 3682
073 Measuring and Testing 605 755 710 688 765 3523
455 Telecommunications 291 571 744 856 893 3355
370 Multiplex Communications 416 568 700 730 816 3230
348 Television 564 731 692 597 589 3173
128 Surgery (includes Class 600) 481 654 587 654 703 3079
382 Image Analysis 312 661 729 646 673 3021
375 Pulse or Digital Communications 425 627 603 650 663 2968
360 Dynamic Magnetic Information Storage or Retrieval 426 616 611 610 518 2781
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 317 501 586 636 728 2768
361 Electricity: Electrical Systems and Devices 346 544 525 589 750 2754
396 Photography 584 720 524 505 400 2733
310 Electrical Generator or Motor Structure 305 565 554 589 656 2669
250 Radiant Energy 417 537 544 517 639 2654
029 Metal Working 398 522 471 569 648 2608
340 Communications: Electrical 390 535 529 593 553 2600
358 Facsimile and Static Presentation Processing 402 659 554 501 445 2561
280 Land Vehicles 285 410 480 585 685 2445
324 Electricity: Measuring and Testing 444 441 393 507 659 2444
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 436 549 515 473 466 2439
427 Coating Processes 403 436 511 531 468 2349
219 Electric Heating 274 420 497 583 552 2326
349 Liquid Crystal Cells, Elements and Systems 296 502 400 543 523 2264
210 Liquid Purification or Separation 425 457 443 444 490 2259
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 362 437 495 462 472 2228
356 Optics: Measuring and Testing 351 511 459 485 314 2120
385 Optical Waveguides 305 409 377 414 596 2101
060 Power Plants 291 377 374 397 582 2021
062 Refrigeration 295 372 443 425 477 2012
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 171 298 346 462 701 1978
313 Electric Lamp and Discharge Devices 221 397 411 367 424 1820
714 Error Detection/Correction and Fault Detection/Recovery 260 426 389 391 350 1816
318 Electricity: Motive Power Systems 233 424 375 363 361 1756
074 Machine Element or Mechanism 250 375 357 362 385 1729
137 Fluid Handling 224 288 349 401 427 1689
252 Compositions 259 377 380 332 265 1613
362 Illumination 225 264 278 383 427 1577
604 Surgery (Medicators and Receptors) 238 340 332 306 316 1532
606 Surgery (instruments) 237 318 293 340 340 1528
052 Static Structures (e.g., Buildings) 256 297 284 300 369 1506
242 Winding, Tensioning, or Guiding 255 356 311 313 271 1506
426 Food or Edible Material: Processes, Compositions, and Products 198 253 360 347 335 1493
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 221 257 248 353 403 1482
379 Telephonic Communications 181 342 353 295 282 1453
072 Metal Deforming 213 278 304 285 291 1371
101 Printing 238 339 275 275 244 1371
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 131 296 289 317 334 1367
204 Chemistry: Electrical and Wave Energy 209 243 217 342 340 1351
417 Pumps 177 197 221 364 383 1342
315 Electric Lamp and Discharge Devices: Systems 153 240 250 290 361 1294
386 Television Signal Processing for Dynamic Recording or Reproducing 179 284 291 253 270 1277
341 Coded Data Generation or Conversion 235 319 224 230 268 1276
451 Abrading 191 162 228 320 373 1274
707 DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) 164 294 294 219 303 1274
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 176 298 314 245 230 1263
423 Chemistry of Inorganic Compounds 205 225 265 268 281 1244
148 Metal Treatment 182 236 257 254 306 1235
710 Input/Output (Electrical Computers and Digital Processing Systems) 181 274 271 261 242 1229
363 Electric Power Conversion Systems 188 220 294 247 279 1228
106 Compositions: Coating or Plastic 210 271 283 229 222 1215
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 158 223 291 229 294 1195
206 Special Receptacle or Package 163 245 275 268 227 1178
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 222 280 209 217 249 1177
118 Coating Apparatus 202 214 219 271 259 1165
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 202 247 255 215 231 1150
222 Dispensing (apparatus and process) 164 206 281 249 241 1141
711 Memory (Electrical Computers and Digital Processing Systems) 165 247 225 241 252 1130
700 DP: Generic Control Systems or Specific Applications (Data Processing) 143 283 222 183 287 1118
297 Chairs and Seats 169 202 240 265 230 1106
180 Motor Vehicles 106 211 251 254 283 1105
343 Communications: Radio Wave Antennas 96 131 247 282 348 1104
174 Electricity: Conductors and Insulators 121 195 156 224 407 1103
296 Land Vehicles: Bodies and Tops 112 158 199 242 371 1082
372 Coherent Light Generators 181 245 226 223 205 1080
192 Clutches and Power-Stop Control 184 183 257 255 195 1074
198 Conveyors: Power-Driven 130 176 219 220 303 1048
248 Supports (e.g., for holding articles, etc.) 132 206 205 257 247 1047
239 Fluid Sprinkling, Spraying, and Diffusing 135 211 221 250 220 1037
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 136 178 243 251 215 1023
165 Heat Exchange 152 175 220 210 248 1005
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 142 197 176 248 225 988
015 Brushing, Scrubbing, and General Cleaning 153 190 205 226 211 985
053 Package Making 156 250 157 224 195 982
713 Support (Electrical Computers and Digital Processing Systems) 97 187 230 237 227 978
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 176 195 239 149 213 972
271 Sheet Feeding or Delivering 146 138 218 222 231 955
333 Wave Transmission Lines and Networks 137 196 206 223 187 949
355 Photocopying 142 169 190 168 261 930
400 Typewriting Machines 148 202 206 205 156 917
084 Music 150 176 217 175 189 907
200 Electricity: Circuit Makers and Breakers 116 200 202 196 181 895
414 Material or Article Handling 166 188 180 216 139 889
303 Fluid-Pressure and Analogous Brake Systems 140 159 174 195 210 878
381 Electrical Audio Signal Processing Systems and Devices 156 245 154 175 141 871
188 Brakes 104 142 151 176 297 870
134 Cleaning and Liquid Contact with Solids 108 171 204 169 215 867
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 158 150 176 165 213 862
384 Bearings 127 163 162 199 211 862
702 DP: Measuring, Calibrating, or Testing (Data Processing) 126 169 162 171 216 844
162 Paper Making and Fiber Liberation 154 159 139 152 234 838
473 Games Using Tangible Projectile 126 222 159 142 179 828
320 Electricity: Battery or Capacitor Charging or Discharging 136 124 163 172 211 806
220 Receptacles 127 128 182 170 191 798
378 X-Ray or Gamma Ray Systems or Devices 129 148 112 156 249 794
307 Electrical Transmission or Interconnection Systems 117 164 181 170 141 773
099 Foods and Beverages: Apparatus 151 138 174 151 158 772
330 Amplifiers 87 124 165 191 203 770
477 Interrelated Power Delivery Controls, Including Engine Control 156 171 179 149 104 759
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 94 122 150 173 198 737
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 91 131 133 190 181 726
501 Compositions: Ceramic 131 140 173 140 142 726
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 124 175 181 112 125 717
708 Arithmetic Processing and Calculating (Electrical Computers) 126 164 193 112 116 711
436 Chemistry: Analytical and Immunological Testing 104 168 169 129 140 710
326 Electronic Digital Logic Circuitry 108 111 105 179 196 699
323 Electricity: Power Supply or Regulation Systems 110 114 150 154 166 694
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 103 146 185 142 108 684
228 Metal Fusion Bonding 90 75 123 192 201 681
504 Plant Protecting and Regulating Compositions 128 135 126 147 141 677
351 Optics: Eye Examining, Vision Testing and Correcting 96 128 155 143 140 662
403 Joints and Connections 138 130 108 121 157 654
024 Buckles, Buttons, Clasps, Etc. 134 126 136 115 140 651
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 73 111 150 138 179 651
433 Dentistry 85 124 136 130 172 647
164 Metal Founding 124 144 146 107 124 645
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 70 137 166 146 119 638
083 Cutting 76 136 151 148 125 636
034 Drying and Gas or Vapor Contact with Solids 110 109 131 168 112 630
331 Oscillators 79 116 117 143 148 603
002 Apparel 88 103 128 123 157 599
285 Pipe Joints or Couplings 72 106 149 132 139 598
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 63 112 118 129 164 586
251 Valves and Valve Actuation 65 110 134 160 116 585
415 Rotary Kinetic Fluid Motors or Pumps 73 92 99 151 169 584
112 Sewing 97 134 136 114 88 569
070 Locks 104 128 138 104 89 563
475 Planetary Gear Transmission Systems or Components 109 103 158 108 83 561
277 Seal for a Joint or Juncture 109 76 97 114 163 559
244 Aeronautics 55 114 108 137 139 553
241 Solid Material Comminution or Disintegration 99 124 125 105 91 544
405 Hydraulic and Earth Engineering 79 143 112 103 107 544
065 Glass Manufacturing 105 123 120 99 94 541
030 Cutlery 108 93 112 101 121 535
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 60 77 95 130 171 533
418 Rotary Expansible Chamber Devices 75 87 64 163 142 531
607 Surgery: Light, Thermal, and Electrical Application 77 116 93 116 125 527
152 Resilient Tires and Wheels 86 88 87 122 123 506
216 Etching a Substrate: Processes 94 107 111 89 105 506
081 Tools 38 60 93 137 177 505
057 Textiles: Spinning, Twisting, and Twining 85 124 99 90 106 504
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 51 92 160 119 81 503
138 Pipes and Tubular Conduits 51 84 107 148 111 501
401 Coating Implements with Material Supply 32 66 133 114 149 494
482 Exercise Devices 84 112 91 107 97 491
004 Baths, Closets, Sinks, and Spittoons 64 91 134 91 110 490
016 Miscellaneous Hardware 70 90 92 127 102 481
474 Endless Belt Power Transmission Systems or Components 79 90 94 123 89 475
366 Agitating (e.g., of articles and materials) 59 98 88 97 132 474
463 Amusement Devices: Games 56 78 81 101 156 472
209 Classifying, Separating, and Assorting Solids 87 76 100 105 101 469
585 Chemistry of Hydrocarbon Compounds 62 103 118 89 97 469
033 Geometrical Instruments 67 76 71 132 122 468
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 62 77 95 87 143 464
431 Combustion 52 106 118 107 81 464
139 Textiles: Weaving 77 85 68 104 123 457
440 Marine Propulsion 53 78 91 126 106 454
119 Animal Husbandry 60 116 90 95 92 453
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 76 55 106 99 106 442
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 69 90 65 59 159 442
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 80 87 77 90 105 439
005 Beds 85 87 81 92 91 436
368 Horology: Time Measuring Systems or Devices 67 85 77 87 115 431
267 Spring Devices 67 75 92 87 109 430
114 Ships 62 68 84 110 104 428
036 Boots, Shoes, and Leggings 67 101 94 79 83 424
312 Supports: Cabinet Structure 59 75 93 103 90 420
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 71 90 85 87 87 420
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 63 92 83 93 87 418
380 Cryptography 65 93 67 107 78 410
717 DP: Software Development, Installation, and Management (Data Processing) 40 88 82 80 119 409
049 Movable or Removable Closures 47 84 71 108 94 404
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 47 76 76 69 131 399
092 Expansible Chamber Devices 58 84 79 66 99 386
446 Amusement Devices: Toys 42 85 83 81 91 382
416 Fluid Reaction Surfaces (i.e., Impellers) 57 45 73 113 93 381
706 DP: Artificial Intelligence (Data Processing) 90 134 48 44 62 378
095 Gas Separation: Processes 36 79 83 76 103 377
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 65 73 83 86 65 372
273 Amusement Devices: Games 87 79 69 58 77 370
066 Textiles: Knitting 48 51 65 107 94 365
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 53 68 89 68 87 365
292 Closure Fasteners 59 69 82 88 65 363
454 Ventilation 61 79 68 68 85 361
132 Toilet 50 68 95 82 59 354
136 Batteries: Thermoelectric and Photoelectric 40 42 65 90 115 352
353 Optics: Image Projectors 57 71 57 77 89 351
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 84 73 76 56 56 345
175 Boring or Penetrating the Earth 44 70 59 86 84 343
445 Electric Lamp or Space Discharge Component or Device Manufacturing 44 71 70 97 58 340
211 Supports: Racks 46 78 55 83 77 339
126 Stoves and Furnaces 45 53 86 85 65 334
040 Card, Picture, or Sign Exhibiting 56 63 57 69 84 329
055 Gas Separation 43 64 60 70 82 319
336 Inductor Devices 24 65 67 83 79 318
181 Acoustics 39 70 74 71 62 316
160 Flexible or Portable Closure, Partition, or Panel 58 44 51 74 79 306
374 Thermal Measuring and Testing 50 73 41 75 63 302
432 Heating 39 68 74 60 60 301
725 Interactive Video Distribution Systems 40 78 69 52 60 299
376 Induced Nuclear Reactions: Processes, Systems, and Elements 53 75 77 43 48 296
091 Motors: Expansible Chamber Type 57 77 54 61 46 295
408 Cutting by Use of Rotating Axially Moving Tool 43 63 86 49 54 295
215 Bottles and Jars 46 76 61 58 53 294
110 Furnaces 63 61 50 51 67 292
208 Mineral Oils: Processes and Products 27 47 80 60 73 287
409 Gear Cutting, Milling, or Planing 37 61 72 55 61 286
056 Harvesters 29 64 74 68 50 285
338 Electrical Resistors 36 51 68 63 65 283
434 Education and Demonstration 36 69 62 58 55 280
096 Gas Separation: Apparatus 45 58 56 59 60 278
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 27 49 71 64 66 277
068 Textiles: Fluid Treating Apparatus 51 78 77 43 27 276
294 Handling: Hand and Hoist-Line Implements 48 54 49 66 59 276
224 Package and Article Carriers 45 54 57 39 79 274
100 Presses 58 67 52 41 47 265
102 Ammunition and Explosives 49 48 43 37 87 264
047 Plant Husbandry 33 38 68 66 58 263
227 Elongated-Member-Driving Apparatus 48 58 42 69 44 261
144 Woodworking 30 40 65 61 61 257
407 Cutters, for Shaping 29 55 57 58 56 255
173 Tool Driving or Impacting 19 46 56 68 55 244
266 Metallurgical Apparatus 47 36 51 49 61 244
229 Envelopes, Wrappers, and Paperboard Boxes 39 52 47 46 56 240
602 Surgery: Splint, Brace, or Bandage 30 50 45 55 57 237
135 Tent, Canopy, Umbrella, or Cane 27 46 34 50 79 236
108 Horizontally Supported Planar Surfaces 42 55 45 56 37 235
261 Gas and Liquid Contact Apparatus 41 33 41 49 64 228
420 Alloys or Metallic Compositions 35 51 53 41 48 228
089 Ordnance 53 47 49 29 47 225
601 Surgery: Kinesitherapy 37 49 35 38 64 223
367 Communications, Electrical: Acoustic Wave Systems and Devices 30 62 44 39 47 222
221 Article Dispensing 15 35 42 69 59 220
392 Electric Resistance Heating Devices 25 28 49 53 63 218
505 Superconductor Technology: Apparatus, Material, Process 50 47 50 40 27 214
043 Fishing, Trapping, and Vermin Destroying 28 27 62 59 36 212
337 Electricity: Electrothermally or Thermally Actuated Switches 39 57 54 30 31 211
254 Implements or Apparatus for Applying Pushing or Pulling Force 34 36 46 54 40 210
131 Tobacco 48 57 28 45 30 208
301 Land Vehicles: Wheels and Axles 18 24 45 63 58 208
019 Textiles: Fiber Preparation 43 35 32 46 51 207
172 Earth Working 30 47 37 41 52 207
452 Butchering 29 47 40 45 39 200
419 Powder Metallurgy Processes 44 28 51 39 37 199
269 Work Holders 14 36 45 46 50 191
177 Weighing Scales 23 64 40 29 34 190
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 22 55 41 37 34 189
044 Fuel and Related Compositions 21 29 51 49 38 188
404 Road Structure, Process, or Apparatus 28 35 44 37 41 185
182 Fire Escape, Ladder, or Scaffold 22 41 49 32 33 177
290 Prime-Mover Dynamo Plants 19 36 29 42 49 175
104 Railways 48 34 18 32 42 174
122 Liquid Heaters and Vaporizers 13 37 49 37 38 174
236 Automatic Temperature and Humidity Regulation 16 34 49 40 31 170
037 Excavating 28 45 33 31 27 164
270 Sheet-Material Associating 33 42 21 23 42 161
082 Turning (e.g., for metal working) 25 27 34 37 32 155
226 Advancing Material of Indeterminate Length 25 46 31 22 31 155
028 Textiles: Manufacturing 35 27 28 34 30 154
194 Check-Actuated Control Mechanisms 22 27 38 36 30 153
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 27 31 29 35 30 152
105 Railway Rolling Stock 25 31 26 22 43 147
169 Fire Extinguishers 21 34 31 31 24 141
373 Industrial Electric Heating Furnaces 21 27 41 29 21 139
042 Firearms 25 26 26 21 40 138
441 Buoys, Rafts, and Aquatic Devices 22 26 20 33 36 137
322 Electricity: Single Generator Systems 29 38 19 25 25 136
492 Roll or Roller 22 35 25 21 33 136
125 Stone Working 19 22 23 41 30 135
588 Hazardous or Toxic Waste Destruction or Containment 22 36 30 25 19 132
203 Distillation: Processes, Separatory 29 30 36 16 20 131
237 Heating Systems 15 34 29 31 18 127
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 20 29 26 25 27 127
383 Flexible Bags 16 27 25 26 32 126
071 Chemistry: Fertilizers 31 25 14 19 34 123
184 Lubrication 15 24 25 23 35 122
283 Printed Matter 18 14 26 28 32 118
483 Tool Changing 18 23 29 27 19 116
279 Chucks or Sockets 15 16 29 20 33 113
329 Demodulators 19 24 21 25 24 113
494 Imperforate Bowl: Centrifugal Separators 16 25 21 22 28 112
476 Friction Gear Transmission Systems or Components 12 11 21 34 31 109
212 Traversing Hoists 20 27 10 21 21 99
223 Apparel Apparatus 14 21 17 20 26 98
051 Abrasive Tool Making Process, Material, or Composition 21 11 20 14 30 96
038 Textiles: Ironing or Smoothing 24 13 17 27 14 95
299 Mining or In Situ Disintegration of Hard Material 21 9 18 20 26 94
190 Trunks and Hand-Carried Luggage 15 20 14 15 27 91
332 Modulators 14 27 18 18 14 91
406 Conveyors: Fluid Current 11 12 5 23 39 90
059 Chain, Staple, and Horseshoe Making 9 17 18 14 30 88
249 Static Molds 16 15 13 13 21 78
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 14 21 17 11 15 78
293 Vehicle Fenders 6 16 11 16 28 77
472 Amusement Devices 8 21 18 15 15 77
410 Freight Accommodation On Freight Carrier 2 13 19 18 24 76
140 Wireworking 16 15 17 13 14 75
412 Bookbinding: Process and Apparatus 11 9 18 22 15 75
507 Earth Boring, Well Treating, and Oil Field Chemistry 16 15 12 12 19 74
281 Books, Strips, and Leaves 9 14 23 14 12 72
048 Gas: Heating and Illuminating 15 23 14 4 15 71
111 Planting 8 9 14 16 21 68
178 Telegraphy 27 16 13 3 9 68
191 Electricity: Transmission To Vehicles 10 11 12 8 27 68
512 Perfume Compositions 10 15 9 15 19 68
238 Railways: Surface Track 13 17 5 10 22 67
202 Distillation: Apparatus 12 15 22 9 7 65
453 Coin Handling 9 9 15 17 14 64
116 Signals and Indicators 11 8 9 15 19 62
149 Explosive and Thermic Compositions or Charges 11 13 8 17 13 62
256 Fences 14 8 11 15 14 62
014 Bridges 12 16 16 8 8 60
127 Sugar, Starch, and Carbohydrates 6 9 25 11 9 60
225 Severing by Tearing or Breaking 11 9 12 12 16 60
450 Foundation Garments 4 9 12 18 17 60
124 Mechanical Guns and Projectors 18 9 10 12 10 59
063 Jewelry 13 12 8 11 14 58
305 Wheel Substitutes for Land Vehicles 8 14 12 10 13 57
001 ** Classification Undetermined ** 3 19 12 8 12 54
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 4 11 8 12 19 54
460 Crop Threshing or Separating 5 11 10 14 12 52
007 Compound Hand Tools 8 6 8 13 14 49
246 Railway Switches and Signals 9 12 6 8 13 48
352 Optics: Motion Pictures 10 6 9 15 8 48
076 Metal Tools and Implements, Making 9 7 8 12 9 45
388 Electricity: Motor Control Systems 8 6 9 10 6 39
026 Textiles: Cloth Finishing 7 13 12 4 1 37
193 Conveyors, Chutes, Skids, Guides, and Ways 2 1 12 6 16 37
023 Chemistry: Physical Processes 4 7 6 11 7 35
346 Recorders 8 8 6 3 9 34
159 Concentrating Evaporators 3 9 7 7 4 30
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 9 8 4 5 4 30
012 Boot and Shoe Making 6 5 9 4 4 28
300 Brush, Broom, and Mop Making 6 6 3 5 7 27
054 Harness (for animals) 2 6 3 5 7 23
157 Wheelwright Machines 3 3 0 5 12 23
413 Sheet Metal Container Making 4 6 11 2 0 23
150 Purses, Wallets, and Protective Covers 2 2 2 9 4 19
201 Distillation: Processes, Thermolytic 9 5 0 3 2 19
027 Undertaking 4 3 5 3 2 17
109 Safes, Bank Protection, or a Related Device 4 8 1 2 2 17
232 Deposit and Collection Receptacles 0 3 4 6 3 16
086 Ammunition and Explosive-Charge Making 4 6 1 2 2 15
087 Textiles: Braiding, Netting, and Lace Making 0 4 4 2 4 14
186 Merchandising 3 3 5 2 1 14
168 Farriery 1 2 3 3 3 12
295 Railway Wheels and Axles 2 0 6 1 1 10
449 Bee Culture (propagating, raising, caring for bees) 5 1 2 2 0 10
171 Unearthing Plants or Buried Objects 3 3 2 1 0 9
213 Railway Draft Appliances 2 1 0 1 5 9
260 Chemistry of Carbon Compounds 0 2 0 2 4 8
069 Leather Manufactures 3 1 1 2 0 7
196 Mineral Oils: Apparatus 2 2 1 2 0 7
334 Tuners 0 4 1 0 2 7
142 Wood Turning 1 1 3 0 1 6
185 Motors: Spring, Weight, or Animal Powered 2 2 1 0 1 6
217 Wooden Receptacles 0 2 1 1 1 5
298 Land Vehicles: Dumping 1 2 0 2 0 5
462 Books, Strips, and Leaves for Manifolding 1 0 1 1 1 4
245 Wire Fabrics and Structure 0 0 0 0 3 3
231 Whips and Whip Apparatus 1 0 0 1 0 2
289 Knots and Knot Tying 0 1 0 0 0 1
ALL ALL CLASSES 50276 67229 69580 72425 78432 337942



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tel: (703) 306-2600
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Last Modified: April 9, 2002