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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

UNITED STATES, ALL 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' )

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) 3878 4173 4368 4064 2982 19465
438 Semiconductor Device Manufacturing: Process 2003 2456 2514 2319 2297 11589
435 Chemistry: Molecular Biology and Microbiology 2326 2602 2366 2095 1772 11161
128 Surgery (includes Class 600) 1705 1541 1619 1731 1349 7945
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 1556 1667 1634 1475 1241 7573
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 1093 1232 1388 1724 1823 7260
428 Stock Material or Miscellaneous Articles 1317 1320 1372 1409 1315 6733
532 Organic Compounds (includes Classes 532-570) 1400 1460 1605 1201 1049 6715
370 Multiplex Communications 1093 1117 1243 1372 1706 6531
606 Surgery (instruments) 1253 1087 972 1236 865 5413
709 Multicomputer Data Transferring or Plural Processor Synchronization (Electrical Computers and Digital Processing Systems) 879 876 923 917 1197 4792
455 Telecommunications 1006 929 877 869 1110 4791
707 DP: Database and File Management or Data Structures (Data Processing) 742 761 1035 1090 1113 4741
604 Surgery (Medicators and Receptors) 878 925 838 1195 813 4649
361 Electricity: Electrical Systems and Devices 797 860 1010 981 878 4526
324 Electricity: Measuring and Testing 666 818 1050 964 979 4477
073 Measuring and Testing 823 803 863 1051 848 4388
345 Computer Graphics Processing and Selective Visual Display Systems 793 918 850 825 939 4325
439 Electrical Connectors 973 884 842 728 855 4282
385 Optical Waveguides 447 721 939 1070 1102 4279
340 Communications: Electrical 957 881 814 639 944 4235
365 Static Information Storage and Retrieval 781 816 758 841 851 4047
711 Memory (Electrical Computers and Digital Processing Systems) 647 753 844 863 937 4044
375 Pulse or Digital Communications 681 683 764 820 866 3814
359 Optics: Systems and Elements 674 707 761 808 818 3768
382 Image Analysis 591 740 616 794 917 3658
280 Land Vehicles 806 811 739 638 615 3609
379 Telephonic Communications 618 680 687 715 889 3589
710 Input/Output (Electrical Computers and Digital Processing Systems) 747 660 623 692 860 3582
250 Radiant Energy 535 673 703 795 850 3556
029 Metal Working 684 729 672 710 679 3474
714 Error Detection/Correction and Fault Detection/Recovery 592 629 603 820 822 3466
052 Static Structures (e.g., Buildings) 714 770 684 589 556 3313
210 Liquid Purification or Separation 721 735 611 595 645 3307
360 Dynamic Magnetic Information Storage or Retrieval 598 602 658 643 784 3285
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 580 678 709 661 590 3218
702 DP: Measuring, Calibrating, or Testing (Data Processing) 345 355 613 851 960 3124
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 657 642 600 564 511 2974
123 Internal-Combustion Engines 473 623 652 606 576 2930
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 593 591 555 636 507 2882
713 Support (Electrical Computers and Digital Processing Systems) 515 576 474 557 736 2858
347 Incremental Printing of Symbolic Information 452 605 656 616 520 2849
219 Electric Heating 575 578 547 499 528 2727
356 Optics: Measuring and Testing 545 385 459 656 654 2699
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 361 552 587 585 602 2687
062 Refrigeration 454 562 593 580 433 2622
427 Coating Processes 558 496 496 540 448 2538
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 429 521 492 561 533 2536
362 Illumination 493 536 501 514 468 2512
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 499 531 431 526 518 2505
715 DP: Presentation Processing of Document, Operator Interface Processing, and Screen Saver Display Processing (Data Processing) 522 513 482 470 451 2438
700 DP: Generic Control Systems or Specific Applications (Data Processing) 279 374 463 559 631 2306
248 Supports (e.g., for holding articles, etc.) 542 437 519 499 299 2296
137 Fluid Handling 543 588 415 386 360 2292
426 Food or Edible Material: Processes, Compositions, and Products 562 525 424 401 316 2228
607 Surgery: Light, Thermal, and Electrical Application 397 442 443 477 441 2200
060 Power Plants 336 439 505 452 460 2192
473 Games Using Tangible Projectile 419 416 458 457 424 2174
348 Television 426 420 430 441 437 2154
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 384 459 371 450 488 2152
206 Special Receptacle or Package 536 453 398 361 319 2067
451 Abrading 349 478 441 427 367 2062
174 Electricity: Conductors and Insulators 292 503 482 390 356 2023
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 386 409 403 435 361 1994
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 607 394 368 354 252 1975
296 Land Vehicles: Bodies and Tops 376 421 335 379 413 1924
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 417 405 358 304 401 1885
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 346 296 307 443 452 1844
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 314 383 377 390 377 1841
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 406 390 360 351 300 1807
326 Electronic Digital Logic Circuitry 353 387 384 337 339 1800
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 167 274 375 507 446 1769
002 Apparel 442 392 373 244 295 1746
341 Coded Data Generation or Conversion 228 377 397 382 352 1736
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 303 344 358 368 363 1736
343 Communications: Radio Wave Antennas 322 410 411 302 287 1732
204 Chemistry: Electrical and Wave Energy 347 384 366 310 266 1673
222 Dispensing (apparatus and process) 380 408 354 252 268 1662
310 Electrical Generator or Motor Structure 316 341 298 274 420 1649
297 Chairs and Seats 383 257 283 328 342 1593
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 285 381 325 261 292 1544
239 Fluid Sprinkling, Spraying, and Diffusing 389 260 261 295 320 1525
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 377 376 283 226 256 1518
717 DP: Software Development, Installation, and Management (Data Processing) 290 383 274 252 294 1493
244 Aeronautics 298 306 291 295 287 1477
015 Brushing, Scrubbing, and General Cleaning 388 292 282 278 232 1472
436 Chemistry: Analytical and Immunological Testing 250 282 318 323 282 1455
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 290 297 316 280 242 1425
330 Amplifiers 232 244 287 329 324 1416
372 Coherent Light Generators 247 244 212 304 400 1407
414 Material or Article Handling 355 260 284 274 231 1404
119 Animal Husbandry 260 264 308 315 216 1363
005 Beds 262 253 242 293 300 1350
134 Cleaning and Liquid Contact with Solids 267 248 285 314 230 1344
482 Exercise Devices 308 272 257 257 228 1322
417 Pumps 312 299 290 243 177 1321
315 Electric Lamp and Discharge Devices: Systems 250 255 274 284 230 1293
358 Facsimile and Static Presentation Processing 246 222 257 280 276 1281
378 X-Ray or Gamma Ray Systems or Devices 223 284 315 216 229 1267
118 Coating Apparatus 281 284 274 233 182 1254
220 Receptacles 307 295 247 187 174 1210
004 Baths, Closets, Sinks, and Spittoons 236 239 268 216 216 1175
252 Compositions 269 241 181 263 219 1173
180 Motor Vehicles 199 208 241 259 205 1112
273 Amusement Devices: Games 233 233 237 234 169 1106
033 Geometrical Instruments 184 216 243 238 224 1105
446 Amusement Devices: Toys 249 193 196 266 191 1095
318 Electricity: Motive Power Systems 267 222 206 185 214 1094
211 Supports: Racks 235 232 213 216 187 1083
106 Compositions: Coating or Plastic 197 205 224 215 223 1064
043 Fishing, Trapping, and Vermin Destroying 232 171 204 254 196 1057
433 Dentistry 232 281 223 156 163 1055
423 Chemistry of Inorganic Compounds 208 211 202 216 202 1039
463 Amusement Devices: Games 135 196 170 259 275 1035
198 Conveyors: Power-Driven 200 223 223 211 166 1023
313 Electric Lamp and Discharge Devices 186 176 187 235 234 1018
114 Ships 224 215 190 199 184 1012
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 231 184 213 202 179 1009
053 Package Making 231 190 167 201 211 1000
434 Education and Demonstration 228 172 188 224 185 997
224 Package and Article Carriers 206 214 211 175 188 994
040 Card, Picture, or Sign Exhibiting 196 179 184 225 195 979
405 Hydraulic and Earth Engineering 185 183 207 204 196 975
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 168 246 202 171 179 966
399 Electrophotography 178 206 194 198 183 959
074 Machine Element or Mechanism 262 224 172 166 122 946
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 164 205 182 177 207 935
175 Boring or Penetrating the Earth 181 220 200 173 160 934
242 Winding, Tensioning, or Guiding 215 171 205 178 159 928
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 167 207 181 170 176 901
363 Electric Power Conversion Systems 209 208 199 147 127 890
333 Wave Transmission Lines and Networks 136 119 165 227 222 869
398 Optical Communications 143 149 198 193 178 861
081 Tools 214 230 150 130 133 857
708 Arithmetic Processing and Calculating (Electrical Computers) 185 173 157 150 171 836
381 Electrical Audio Signal Processing Systems and Devices 186 135 139 172 200 832
030 Cutlery 188 160 170 171 142 831
162 Paper Making and Fiber Liberation 174 189 194 150 123 830
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 193 188 127 124 182 814
165 Heat Exchange 159 171 150 139 190 809
024 Buckles, Buttons, Clasps, Etc. 160 165 198 172 110 805
415 Rotary Kinetic Fluid Motors or Pumps 124 132 216 173 149 794
323 Electricity: Power Supply or Regulation Systems 151 168 156 159 147 781
351 Optics: Eye Examining, Vision Testing and Correcting 168 152 130 166 153 769
285 Pipe Joints or Couplings 153 151 175 150 138 767
084 Music 203 156 143 127 136 765
228 Metal Fusion Bonding 177 181 150 135 118 761
320 Electricity: Battery or Capacitor Charging or Discharging 189 186 145 127 107 754
083 Cutting 165 160 116 143 168 752
095 Gas Separation: Processes 129 124 165 188 133 739
188 Brakes 119 184 193 138 98 732
101 Printing 153 142 129 134 172 730
099 Foods and Beverages: Apparatus 180 169 131 132 117 729
331 Oscillators 124 149 109 171 174 727
148 Metal Treatment 146 161 152 153 112 724
277 Seal for a Joint or Juncture 144 163 165 137 115 724
047 Plant Husbandry 169 142 158 150 92 711
307 Electrical Transmission or Interconnection Systems 157 127 132 147 135 698
251 Valves and Valve Actuation 181 128 114 130 140 693
312 Supports: Cabinet Structure 168 117 138 146 123 692
416 Fluid Reaction Surfaces (i.e., Impellers) 122 145 176 125 118 686
072 Metal Deforming 150 159 114 132 125 680
070 Locks 145 122 139 158 111 675
725 Interactive Video Distribution Systems 114 142 113 149 157 675
056 Harvesters 160 132 131 128 116 667
602 Surgery: Splint, Brace, or Bandage 168 125 119 140 115 667
200 Electricity: Circuit Makers and Breakers 146 94 125 127 169 661
216 Etching a Substrate: Processes 126 118 141 138 132 655
369 Dynamic Information Storage or Retrieval 146 129 107 144 117 643
396 Photography 160 121 111 123 121 636
585 Chemistry of Hydrocarbon Compounds 142 124 148 108 107 629
719 Interprogram Communication or Interprocess Communication (Ipc) (Electrical Computers and Digital Processing Systems) 73 124 127 106 195 625
160 Flexible or Portable Closure, Partition, or Panel 165 132 104 109 109 619
294 Handling: Hand and Hoist-Line Implements 174 135 150 103 57 619
036 Boots, Shoes, and Leggings 148 118 109 115 117 607
403 Joints and Connections 120 136 130 118 97 601
042 Firearms 66 124 150 140 120 600
034 Drying and Gas or Vapor Contact with Solids 177 121 109 86 104 597
401 Coating Implements with Material Supply 111 147 111 113 107 589
108 Horizontally Supported Planar Surfaces 133 114 116 109 113 585
208 Mineral Oils: Processes and Products 146 120 116 99 91 572
706 DP: Artificial Intelligence (Data Processing) 85 92 102 182 109 570
182 Fire Escape, Ladder, or Scaffold 130 97 124 101 115 567
431 Combustion 125 114 110 104 102 555
475 Planetary Gear Transmission Systems or Components 105 60 85 140 162 552
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 135 105 69 118 121 548
132 Toilet 157 129 100 90 70 546
126 Stoves and Furnaces 138 116 82 95 107 538
102 Ammunition and Explosives 84 126 117 121 88 536
367 Communications, Electrical: Acoustic Wave Systems and Devices 152 101 91 89 101 534
016 Miscellaneous Hardware 101 95 123 117 97 533
292 Closure Fasteners 143 60 119 125 79 526
229 Envelopes, Wrappers, and Paperboard Boxes 145 132 113 85 46 521
209 Classifying, Separating, and Assorting Solids 115 124 96 94 91 520
271 Sheet Feeding or Delivering 97 127 90 123 78 515
366 Agitating (e.g., of articles and materials) 106 109 90 105 104 514
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 93 117 87 97 112 506
454 Ventilation 103 111 98 98 95 505
400 Typewriting Machines 100 87 110 98 109 504
718 Virtual Machine Task or Process Management or Task Management/Control (Electrical Computers and Digital Processing Systems) 76 94 90 94 146 500
440 Marine Propulsion 84 117 115 97 83 496
049 Movable or Removable Closures 128 100 89 79 98 494
404 Road Structure, Process, or Apparatus 103 74 99 105 113 494
221 Article Dispensing 83 114 77 119 90 483
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 112 106 91 76 95 480
349 Liquid Crystal Cells, Elements and Systems 107 96 75 101 96 475
055 Gas Separation 100 89 111 84 88 472
065 Glass Manufacturing 77 101 93 88 113 472
380 Cryptography 122 126 83 53 76 460
192 Clutches and Power-Stop Control 103 79 81 99 97 459
254 Implements or Apparatus for Applying Pushing or Pulling Force 96 95 81 103 79 454
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 91 93 94 89 82 449
164 Metal Founding 55 80 112 127 75 449
241 Solid Material Comminution or Disintegration 106 82 91 98 71 448
138 Pipes and Tubular Conduits 126 104 79 74 61 444
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 97 79 76 99 85 436
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separant Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 98 103 79 82 74 436
124 Mechanical Guns and Projectors 87 72 58 89 120 426
037 Excavating 91 79 92 70 71 403
181 Acoustics 101 64 83 89 64 401
374 Thermal Measuring and Testing 101 75 77 82 64 399
384 Bearings 68 99 85 83 60 395
215 Bottles and Jars 106 81 79 69 57 392
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 107 71 49 83 82 392
383 Flexible Bags 107 100 78 58 47 390
418 Rotary Expansible Chamber Devices 118 89 67 53 56 383
135 Tent, Canopy, Umbrella, or Cane 71 105 77 48 74 375
096 Gas Separation: Apparatus 67 70 79 79 79 374
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 79 72 58 80 84 373
269 Work Holders 91 73 76 70 58 368
303 Fluid-Pressure and Analogous Brake Systems 78 91 85 69 43 366
089 Ordnance 54 78 68 86 78 364
601 Surgery: Kinesitherapy 63 89 69 63 68 352
172 Earth Working 90 75 62 59 63 349
410 Freight Accommodation On Freight Carrier 79 64 59 71 75 348
261 Gas and Liquid Contact Apparatus 70 72 63 73 69 347
267 Spring Devices 71 73 90 63 44 341
501 Compositions: Ceramic 66 85 63 63 59 336
386 Television Signal Processing for Dynamic Recording or Reproducing 58 62 73 67 75 335
136 Batteries: Thermoelectric and Photoelectric 81 88 58 55 47 329
355 Photocopying 57 56 58 73 79 323
353 Optics: Image Projectors 23 43 58 88 107 319
283 Printed Matter 97 85 48 37 44 311
301 Land Vehicles: Wheels and Axles 58 65 69 67 49 308
504 Plant Protecting and Regulating Compositions 82 74 61 51 39 307
441 Buoys, Rafts, and Aquatic Devices 60 56 65 63 58 302
152 Resilient Tires and Wheels 52 48 82 59 47 288
290 Prime-Mover Dynamo Plants 40 59 51 49 89 288
044 Fuel and Related Compositions 70 58 43 54 61 286
392 Electric Resistance Heating Devices 78 66 52 37 52 285
336 Inductor Devices 44 55 60 58 62 279
368 Horology: Time Measuring Systems or Devices 43 68 49 58 60 278
445 Electric Lamp or Space Discharge Component or Device Manufacturing 68 48 52 60 50 278
144 Woodworking 71 49 55 60 31 266
227 Elongated-Member-Driving Apparatus 52 50 42 49 71 264
408 Cutting by Use of Rotating Axially Moving Tool 45 75 55 54 35 264
376 Induced Nuclear Reactions: Processes, Systems, and Elements 39 67 52 49 48 255
474 Endless Belt Power Transmission Systems or Components 61 47 52 54 38 252
256 Fences 47 55 40 60 39 241
116 Signals and Indicators 44 47 56 42 51 240
223 Apparel Apparatus 73 59 41 29 38 240
092 Expansible Chamber Devices 32 53 59 55 40 239
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 45 68 40 37 48 238
452 Butchering 66 61 32 42 30 231
507 Earth Boring, Well Treating, and Oil Field Chemistry 47 46 28 49 61 231
105 Railway Rolling Stock 42 55 47 43 33 220
111 Planting 43 47 32 49 47 218
477 Interrelated Power Delivery Controls, Including Engine Control 53 42 43 44 29 211
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 48 45 57 33 25 208
104 Railways 33 50 51 47 25 206
149 Explosive and Thermic Compositions or Charges 56 43 31 40 35 205
236 Automatic Temperature and Humidity Regulation 40 48 44 35 38 205
177 Weighing Scales 28 36 46 42 48 200
122 Liquid Heaters and Vaporizers 45 41 31 47 34 198
432 Heating 39 47 41 49 21 197
100 Presses 40 35 24 52 45 196
051 Abrasive Tool Making Process, Material, or Composition 31 40 41 45 38 195
110 Furnaces 39 51 46 27 27 190
131 Tobacco 44 31 34 34 46 189
169 Fire Extinguishers 65 25 38 32 28 188
409 Gear Cutting, Milling, or Planing 60 29 45 26 27 187
472 Amusement Devices 41 30 42 38 35 186
112 Sewing 42 57 28 21 34 182
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 38 42 30 38 21 169
063 Jewelry 30 22 44 40 32 168
337 Electricity: Electrothermally or Thermally Actuated Switches 34 17 29 49 39 168
091 Motors: Expansible Chamber Type 19 46 29 37 32 163
173 Tool Driving or Impacting 31 36 26 36 33 162
249 Static Molds 22 33 29 32 45 161
082 Turning (e.g., for metal working) 30 43 25 44 17 159
419 Powder Metallurgy Processes 36 38 23 35 25 157
266 Metallurgical Apparatus 43 30 29 29 25 156
338 Electrical Resistors 39 34 31 30 20 154
450 Foundation Garments 39 35 35 16 24 149
184 Lubrication 36 34 33 26 18 147
293 Vehicle Fenders 16 33 26 33 38 146
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 26 26 21 40 32 145
194 Check-Actuated Control Mechanisms 45 35 15 25 20 140
588 Hazardous or Toxic Waste Destruction or Containment 38 37 33 22 10 140
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 41 32 24 18 22 137
406 Conveyors: Fluid Current 26 26 38 25 22 137
494 Imperforate Bowl: Centrifugal Separators 28 19 25 39 23 134
505 Superconductor Technology: Apparatus, Material, Process 34 32 26 25 16 133
279 Chucks or Sockets 26 37 19 32 18 132
007 Compound Hand Tools 28 31 24 22 26 131
299 Mining or In Situ Disintegration of Hard Material 25 30 28 25 22 130
281 Books, Strips, and Leaves 40 36 23 10 19 128
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 41 17 36 17 15 126
014 Bridges 24 20 32 21 26 123
071 Chemistry: Fertilizers 20 28 41 16 17 122
066 Textiles: Knitting 34 35 16 16 20 121
125 Stone Working 27 34 26 11 23 121
305 Wheel Substitutes for Land Vehicles 31 29 29 20 9 118
407 Cutters, for Shaping 26 16 14 32 29 117
139 Textiles: Weaving 33 33 19 11 20 116
054 Harness (for animals) 26 17 20 28 24 115
068 Textiles: Fluid Treating Apparatus 26 22 26 28 10 112
246 Railway Switches and Signals 22 21 24 25 16 108
057 Textiles: Spinning, Twisting, and Twining 18 26 25 18 20 107
190 Trunks and Hand-Carried Luggage 24 22 16 30 14 106
203 Distillation: Processes, Separatory 32 20 29 12 9 102
460 Crop Threshing or Separating 16 21 20 17 26 100
420 Alloys or Metallic Compositions 17 20 25 19 18 99
322 Electricity: Single Generator Systems 24 24 14 18 16 96
028 Textiles: Manufacturing 20 14 20 22 17 93
298 Land Vehicles: Dumping 19 25 13 18 18 93
232 Deposit and Collection Receptacles 13 20 17 19 22 91
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 27 22 12 15 12 88
150 Purses, Wallets, and Protective Covers 19 19 18 19 12 87
193 Conveyors, Chutes, Skids, Guides, and Ways 19 18 21 14 14 86
212 Traversing Hoists 30 17 13 15 11 86
226 Advancing Material of Indeterminate Length 25 20 20 13 8 86
237 Heating Systems 15 20 13 21 16 85
027 Undertaking 20 21 7 19 14 81
225 Severing by Tearing or Breaking 9 10 16 17 28 80
373 Industrial Electric Heating Furnaces 27 15 14 9 15 80
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 10 30 14 8 17 79
270 Sheet-Material Associating 10 19 14 17 18 78
720 Dynamic Optical Information Storage or Retrieval 10 14 18 13 23 78
202 Distillation: Apparatus 15 18 10 16 12 71
352 Optics: Motion Pictures 6 12 13 18 20 69
332 Modulators 9 18 13 17 8 65
038 Textiles: Ironing or Smoothing 11 16 13 10 13 63
140 Wireworking 17 12 13 12 8 62
238 Railways: Surface Track 12 10 17 10 13 62
412 Bookbinding: Process and Apparatus 15 11 11 15 10 62
048 Gas: Heating and Illuminating 15 9 2 15 19 60
076 Metal Tools and Implements, Making 19 11 9 14 6 59
001 ** Classification Undetermined ** 9 4 4 29 10 56
213 Railway Draft Appliances 12 17 12 5 10 56
453 Coin Handling 12 10 5 17 12 56
492 Roll or Roller 7 10 14 11 10 52
059 Chain, Staple, and Horseshoe Making 9 11 11 8 10 49
086 Ammunition and Explosive-Charge Making 7 14 9 13 5 48
019 Textiles: Fiber Preparation 12 14 13 7 1 47
127 Sugar, Starch, and Carbohydrates 10 17 11 3 4 45
512 Perfume Compositions 14 7 7 12 4 44
329 Demodulators 11 8 6 7 9 41
168 Farriery 9 7 11 9 4 40
186 Merchandising 8 5 5 11 9 38
191 Electricity: Transmission To Vehicles 6 8 6 9 7 36
026 Textiles: Cloth Finishing 10 11 4 5 5 35
157 Wheelwright Machines 10 11 3 7 4 35
289 Knots and Knot Tying 5 10 7 7 4 33
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 7 8 7 3 8 33
109 Safes, Bank Protection, or a Related Device 9 5 6 7 5 32
178 Telegraphy 7 5 7 4 8 31
346 Recorders 19 3 7 2 0 31
483 Tool Changing 9 3 8 7 2 29
388 Electricity: Motor Control Systems 11 4 4 3 5 27
413 Sheet Metal Container Making 5 3 4 5 9 26
476 Friction Gear Transmission Systems or Components 4 4 4 3 6 21
087 Textiles: Braiding, Netting, and Lace Making 5 4 6 2 2 19
012 Boot and Shoe Making 2 7 3 1 5 18
300 Brush, Broom, and Mop Making 0 5 6 5 1 17
171 Unearthing Plants or Buried Objects 6 4 4 0 1 15
023 Chemistry: Physical Processes 3 3 2 5 0 13
185 Motors: Spring, Weight, or Animal Powered 4 2 3 2 2 13
449 Bee Culture (propagating, raising, caring for bees) 1 1 4 3 3 12
462 Books, Strips, and Leaves for Manifolding 2 4 4 1 0 11
295 Railway Wheels and Axles 1 2 2 3 2 10
201 Distillation: Processes, Thermolytic 2 1 1 2 2 8
260 Chemistry of Carbon Compounds 1 6 0 0 1 8
159 Concentrating Evaporators 1 1 4 0 1 7
147 Coopering 0 4 0 0 0 4
217 Wooden Receptacles 2 0 1 1 0 4
291 Track Sanders 1 0 1 1 1 4
334 Tuners 1 0 2 1 0 4
079 Button Making 1 0 1 1 0 3
142 Wood Turning 2 1 0 0 0 3
231 Whips and Whip Apparatus 3 0 0 0 0 3
196 Mineral Oils: Apparatus 1 1 0 0 0 2
069 Leather Manufactures 0 1 0 0 0 1
163 Needle and Pin Making 1 0 0 0 0 1
234 Selective Cutting (e.g., Punching) 0 0 0 0 1 1
245 Wire Fabrics and Structure 1 0 0 0 0 1
278 Land Vehicles: Animal Draft Appliances 0 0 0 1 0 1
ALL ALL CLASSES 85068 87601 86972 87901 84271 431813


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