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

JAPAN

(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
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 700 739 1006 1034 1052 4531
428 Stock Material or Miscellaneous Articles 677 725 893 866 883 4044
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 697 682 749 770 808 3706
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 665 617 762 770 769 3583
359 Optics: Systems (Including Communication) and Elements 529 574 801 757 752 3413
399 Electrophotography 599 516 708 721 690 3234
369 Dynamic Information Storage or Retrieval 588 574 774 691 583 3210
438 Semiconductor Device Manufacturing: Process 444 479 566 823 887 3199
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 508 562 625 612 570 2877
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 396 456 691 616 602 2761
365 Static Information Storage and Retrieval 437 450 550 563 659 2659
396 Photography 468 535 649 456 449 2557
347 Incremental Printing of Symbolic Information 311 298 508 577 791 2485
532 Organic Compounds (includes Classes 532-570) 444 463 548 559 440 2454
123 Internal-Combustion Engines 368 438 506 498 478 2288
358 Facsimile and Static Presentation Processing 416 342 558 445 403 2164
348 Television 459 367 477 443 369 2115
360 Dynamic Magnetic Information Storage or Retrieval 302 336 463 481 499 2081
439 Electrical Connectors 277 346 355 463 532 1973
382 Image Analysis 188 225 474 513 456 1856
349 Liquid Crystal Cells, Elements and Systems 238 247 370 298 417 1570
435 Chemistry: Molecular Biology and Microbiology 241 258 412 333 282 1526
310 Electrical Generator or Motor Structure 159 184 352 336 373 1404
375 Pulse or Digital Communications 220 228 305 296 345 1394
250 Radiant Energy 248 215 284 292 284 1323
073 Measuring and Testing 257 252 286 268 253 1316
370 Multiplex Communications 227 188 272 293 291 1271
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 206 165 256 314 328 1269
455 Telecommunications 178 151 295 289 326 1239
029 Metal Working 214 213 279 248 283 1237
361 Electricity: Electrical Systems and Devices 209 167 250 222 256 1104
324 Electricity: Measuring and Testing 243 235 214 179 220 1091
356 Optics: Measuring and Testing 216 183 266 215 205 1085
714 Error Detection/Correction and Fault Detection/Recovery 195 168 260 233 217 1073
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 167 207 255 229 210 1068
427 Coating Processes 170 194 191 235 249 1039
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 177 111 196 218 276 978
386 Television Signal Processing for Dynamic Recording or Reproducing 172 124 227 234 209 966
318 Electricity: Motive Power Systems 158 145 231 218 202 954
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 134 160 204 217 209 924
340 Communications: Electrical 146 156 225 207 190 924
128 Surgery (includes Class 600) 139 156 240 209 168 912
313 Electric Lamp and Discharge Devices 129 112 198 236 226 901
252 Compositions 157 137 219 210 176 899
219 Electric Heating 143 123 186 201 239 892
385 Optical Waveguides 135 155 198 173 195 856
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 138 143 167 145 215 808
711 Memory (Electrical Computers and Digital Processing Systems) 163 112 168 148 148 739
707 DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) 101 117 201 181 122 722
062 Refrigeration 104 137 152 156 167 716
710 Input/Output (Electrical Computers and Digital Processing Systems) 125 109 177 155 150 716
148 Metal Treatment 137 132 146 153 144 712
372 Coherent Light Generators 122 129 155 149 141 696
400 Typewriting Machines 138 121 149 143 145 696
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 87 83 171 169 171 681
060 Power Plants 95 113 164 156 139 667
074 Machine Element or Mechanism 108 102 160 147 145 662
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 63 108 180 173 118 642
355 Photocopying 62 123 141 170 138 634
118 Coating Apparatus 129 122 115 103 162 631
084 Music 134 117 124 142 113 630
700 DP: Generic Control Systems or Specific Applications (Data Processing) 132 64 172 143 107 618
180 Motor Vehicles 89 63 122 156 161 591
333 Wave Transmission Lines and Networks 82 83 122 145 153 585
242 Winding, Tensioning, or Guiding 120 106 130 117 99 572
451 Abrading 85 79 84 121 186 555
204 Chemistry: Electrical and Wave Energy 88 84 115 97 164 548
341 Coded Data Generation or Conversion 74 119 158 108 88 547
280 Land Vehicles 89 70 106 121 148 534
477 Interrelated Power Delivery Controls, Including Engine Control 69 112 128 117 103 529
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 75 83 93 131 117 499
210 Liquid Purification or Separation 120 90 101 91 94 496
106 Compositions: Coating or Plastic 70 93 112 119 94 488
417 Pumps 74 77 79 101 149 480
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 67 60 110 133 108 478
379 Telephonic Communications 110 83 121 89 70 473
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 106 97 111 99 60 473
363 Electric Power Conversion Systems 75 82 92 111 109 469
271 Sheet Feeding or Delivering 79 75 69 121 123 467
362 Illumination 75 75 80 87 145 462
315 Electric Lamp and Discharge Devices: Systems 72 61 100 100 119 452
101 Printing 72 80 95 97 99 443
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 88 84 122 65 77 436
072 Metal Deforming 68 81 98 104 79 430
713 Support (Electrical Computers and Digital Processing Systems) 47 62 100 113 104 426
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 82 70 92 90 84 418
192 Clutches and Power-Stop Control 53 78 71 115 96 413
423 Chemistry of Inorganic Compounds 57 71 91 95 98 412
320 Electricity: Battery or Capacitor Charging or Discharging 40 80 75 103 105 403
384 Bearings 71 67 79 78 106 401
303 Fluid-Pressure and Analogous Brake Systems 58 58 75 106 100 397
381 Electrical Audio Signal Processing Systems and Devices 72 66 110 68 79 395
174 Electricity: Conductors and Insulators 74 59 79 69 113 394
501 Compositions: Ceramic 58 84 76 99 74 391
343 Communications: Radio Wave Antennas 55 44 55 116 110 380
426 Food or Edible Material: Processes, Compositions, and Products 66 56 59 100 98 379
200 Electricity: Circuit Makers and Breakers 40 53 101 102 80 376
165 Heat Exchange 68 60 59 97 89 373
708 Arithmetic Processing and Calculating (Electrical Computers) 87 70 74 91 48 370
326 Electronic Digital Logic Circuitry 76 73 58 62 90 359
137 Fluid Handling 38 53 84 88 94 357
112 Sewing 49 52 81 84 70 336
702 DP: Measuring, Calibrating, or Testing (Data Processing) 63 55 78 71 66 333
330 Amplifiers 45 44 66 83 93 331
473 Games Using Tangible Projectile 43 53 104 66 65 331
134 Cleaning and Liquid Contact with Solids 53 43 63 83 77 319
604 Surgery (Medicators and Receptors) 29 65 80 75 60 309
440 Marine Propulsion 48 32 54 73 99 306
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 58 57 48 68 69 300
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 47 47 71 57 78 300
307 Electrical Transmission or Interconnection Systems 43 54 67 72 63 299
216 Etching a Substrate: Processes 43 61 66 75 49 294
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 55 63 61 68 45 292
351 Optics: Eye Examining, Vision Testing and Correcting 55 52 68 59 56 290
228 Metal Fusion Bonding 46 47 38 62 95 288
378 X-Ray or Gamma Ray Systems or Devices 75 58 52 43 60 288
418 Rotary Expansible Chamber Devices 64 36 55 38 91 284
331 Oscillators 44 36 63 66 68 277
414 Material or Article Handling 60 57 53 49 58 277
475 Planetary Gear Transmission Systems or Components 39 55 50 74 49 267
152 Resilient Tires and Wheels 40 49 55 51 70 265
296 Land Vehicles: Bodies and Tops 34 38 52 63 77 264
206 Special Receptacle or Package 44 28 65 71 53 261
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 32 39 70 59 56 256
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 40 40 61 59 53 253
323 Electricity: Power Supply or Regulation Systems 36 47 53 57 59 252
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 22 26 54 92 56 250
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 36 32 50 48 71 237
463 Amusement Devices: Games 18 35 54 58 65 230
474 Endless Belt Power Transmission Systems or Components 33 39 38 45 73 228
164 Metal Founding 32 41 71 54 27 225
052 Static Structures (e.g., Buildings) 31 42 56 45 49 223
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 40 29 45 60 48 222
297 Chairs and Seats 38 47 40 43 49 217
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 38 47 50 45 37 217
188 Brakes 39 24 37 62 54 216
706 DP: Artificial Intelligence (Data Processing) 67 52 52 28 16 215
277 Seal for a Joint or Juncture 47 49 27 47 43 213
136 Batteries: Thermoelectric and Photoelectric 32 27 35 46 71 211
065 Glass Manufacturing 20 38 51 52 44 205
606 Surgery (instruments) 29 39 33 38 65 204
353 Optics: Image Projectors 24 38 44 38 57 201
717 DP: Software Development, Installation, and Management (Data Processing) 27 19 59 44 48 197
248 Supports (e.g., for holding articles, etc.) 22 24 51 45 54 196
504 Plant Protecting and Regulating Compositions 41 40 35 32 48 196
239 Fluid Sprinkling, Spraying, and Diffusing 17 24 41 59 50 191
436 Chemistry: Analytical and Immunological Testing 33 29 50 53 26 191
505 Superconductor Technology: Apparatus, Material, Process 62 39 31 40 19 191
015 Brushing, Scrubbing, and General Cleaning 23 32 36 36 59 186
024 Buckles, Buttons, Clasps, Etc. 36 51 30 39 28 184
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 33 42 38 36 34 183
198 Conveyors: Power-Driven 31 28 26 50 47 182
083 Cutting 15 22 47 54 43 181
380 Cryptography 23 27 42 31 54 177
445 Electric Lamp or Space Discharge Component or Device Manufacturing 17 28 34 40 57 176
053 Package Making 35 29 50 24 37 175
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 23 30 39 41 38 171
338 Electrical Resistors 25 25 33 43 43 169
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 26 32 31 34 44 167
725 Interactive Video Distribution Systems 19 28 48 45 24 164
336 Inductor Devices 25 14 28 44 52 163
368 Horology: Time Measuring Systems or Devices 28 22 33 41 37 161
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 33 30 25 38 33 159
222 Dispensing (apparatus and process) 27 21 29 46 30 153
267 Spring Devices 16 32 29 41 33 151
138 Pipes and Tubular Conduits 18 19 24 37 50 148
415 Rotary Kinetic Fluid Motors or Pumps 17 20 26 33 52 148
092 Expansible Chamber Devices 14 26 36 38 28 142
401 Coating Implements with Material Supply 12 15 32 52 30 141
420 Alloys or Metallic Compositions 30 21 32 31 24 138
241 Solid Material Comminution or Disintegration 24 29 41 24 19 137
285 Pipe Joints or Couplings 17 20 31 33 36 137
251 Valves and Valve Actuation 18 13 29 38 36 134
034 Drying and Gas or Vapor Contact with Solids 23 23 25 27 35 133
403 Joints and Connections 22 30 30 25 22 129
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 15 25 35 27 18 120
091 Motors: Expansible Chamber Type 20 18 33 25 21 117
220 Receptacles 19 14 23 28 33 117
030 Cutlery 22 30 14 21 28 115
099 Foods and Beverages: Apparatus 19 27 15 32 22 115
066 Textiles: Knitting 26 14 19 25 27 111
049 Movable or Removable Closures 13 11 34 20 32 110
033 Geometrical Instruments 17 13 23 22 34 109
434 Education and Demonstration 23 7 22 31 24 107
181 Acoustics 20 13 30 24 18 105
432 Heating 15 23 18 26 21 103
433 Dentistry 11 16 23 36 17 103
292 Closure Fasteners 21 11 26 22 22 102
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 20 15 23 22 19 99
416 Fluid Reaction Surfaces (i.e., Impellers) 19 14 14 18 34 99
376 Induced Nuclear Reactions: Processes, Systems, and Elements 26 17 19 16 20 98
431 Combustion 20 7 16 24 31 98
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 21 18 14 20 24 97
322 Electricity: Single Generator Systems 17 22 32 13 13 97
057 Textiles: Spinning, Twisting, and Twining 19 16 32 17 12 96
409 Gear Cutting, Milling, or Planing 11 14 24 27 20 96
209 Classifying, Separating, and Assorting Solids 19 20 13 26 16 94
096 Gas Separation: Apparatus 17 14 17 22 21 91
585 Chemistry of Hydrocarbon Compounds 16 11 22 19 20 88
055 Gas Separation 12 18 23 15 19 87
337 Electricity: Electrothermally or Thermally Actuated Switches 9 21 25 20 12 87
405 Hydraulic and Earth Engineering 23 11 18 16 18 86
374 Thermal Measuring and Testing 11 18 18 15 23 85
270 Sheet-Material Associating 13 18 20 17 15 83
290 Prime-Mover Dynamo Plants 5 11 22 21 24 83
419 Powder Metallurgy Processes 20 17 9 22 15 83
114 Ships 17 13 7 16 28 81
366 Agitating (e.g., of articles and materials) 15 17 20 19 10 81
043 Fishing, Trapping, and Vermin Destroying 17 7 12 23 21 80
273 Amusement Devices: Games 14 23 21 9 13 80
454 Ventilation 10 16 11 27 16 80
004 Baths, Closets, Sinks, and Spittoons 6 9 16 31 16 78
162 Paper Making and Fiber Liberation 14 15 20 15 13 77
002 Apparel 7 19 7 24 19 76
476 Friction Gear Transmission Systems or Components 10 10 10 17 27 74
016 Miscellaneous Hardware 11 12 9 11 27 70
177 Weighing Scales 5 7 30 17 11 70
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 13 12 13 18 14 70
221 Article Dispensing 9 4 15 16 25 69
237 Heating Systems 4 7 18 18 21 68
178 Telegraphy 21 21 13 10 2 67
227 Elongated-Member-Driving Apparatus 7 16 19 13 11 66
047 Plant Husbandry 9 13 13 19 11 65
070 Locks 10 18 16 12 9 65
095 Gas Separation: Processes 9 6 18 17 14 64
110 Furnaces 3 15 14 17 14 63
261 Gas and Liquid Contact Apparatus 9 14 12 16 12 63
005 Beds 7 16 15 13 11 62
125 Stone Working 3 7 13 17 21 61
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 12 11 22 7 9 61
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 16 8 9 14 14 61
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 14 11 13 10 12 60
036 Boots, Shoes, and Leggings 10 8 23 7 11 59
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 10 5 18 14 12 59
194 Check-Actuated Control Mechanisms 17 5 9 10 17 58
081 Tools 8 11 8 13 17 57
215 Bottles and Jars 15 5 14 17 6 57
236 Automatic Temperature and Humidity Regulation 8 8 14 14 13 57
132 Toilet 5 8 11 18 13 55
329 Demodulators 8 11 10 11 15 55
408 Cutting by Use of Rotating Axially Moving Tool 13 6 10 21 4 54
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 6 11 12 12 13 54
119 Animal Husbandry 10 7 17 7 11 52
122 Liquid Heaters and Vaporizers 3 2 11 22 14 52
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 5 5 13 13 16 52
100 Presses 14 11 13 9 3 50
332 Modulators 11 6 12 12 9 50
139 Textiles: Weaving 16 8 12 4 9 49
446 Amusement Devices: Toys 8 5 14 16 6 49
131 Tobacco 9 6 15 7 11 48
266 Metallurgical Apparatus 6 13 8 8 12 47
588 Hazardous or Toxic Waste Destruction or Containment 12 6 11 9 9 47
601 Surgery: Kinesitherapy 6 8 12 11 9 46
226 Advancing Material of Indeterminate Length 6 6 14 12 7 45
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 8 5 6 15 11 45
037 Excavating 7 6 15 6 10 44
126 Stoves and Furnaces 3 4 7 13 15 42
392 Electric Resistance Heating Devices 5 10 6 11 10 42
208 Mineral Oils: Processes and Products 8 6 6 14 7 41
483 Tool Changing 3 7 11 11 9 41
104 Railways 12 12 4 4 8 40
082 Turning (e.g., for metal working) 6 4 12 8 9 39
254 Implements or Apparatus for Applying Pushing or Pulling Force 14 6 7 6 6 39
373 Industrial Electric Heating Furnaces 12 5 3 12 7 39
172 Earth Working 14 4 5 8 7 38
184 Lubrication 5 6 9 9 9 38
229 Envelopes, Wrappers, and Paperboard Boxes 9 9 8 6 6 38
269 Work Holders 5 4 10 11 7 37
040 Card, Picture, or Sign Exhibiting 7 10 8 3 8 36
051 Abrasive Tool Making Process, Material, or Composition 3 12 7 8 6 36
056 Harvesters 7 5 7 6 11 36
068 Textiles: Fluid Treating Apparatus 8 3 12 7 6 36
492 Roll or Roller 6 5 11 7 7 36
173 Tool Driving or Impacting 4 5 9 7 10 35
367 Communications, Electrical: Acoustic Wave Systems and Devices 7 5 12 9 2 35
224 Package and Article Carriers 3 9 10 9 2 33
607 Surgery: Light, Thermal, and Electrical Application 4 6 7 9 7 33
044 Fuel and Related Compositions 7 3 4 8 10 32
211 Supports: Racks 3 7 6 6 10 32
294 Handling: Hand and Hoist-Line Implements 5 6 4 7 10 32
407 Cutters, for Shaping 2 3 8 9 10 32
453 Coin Handling 5 4 4 11 8 32
203 Distillation: Processes, Separatory 7 6 9 7 2 31
301 Land Vehicles: Wheels and Axles 6 2 3 7 13 31
352 Optics: Motion Pictures 7 8 3 5 8 31
244 Aeronautics 5 3 3 10 9 30
140 Wireworking 8 8 5 6 2 29
312 Supports: Cabinet Structure 3 5 5 9 7 29
346 Recorders 8 7 7 5 2 29
383 Flexible Bags 5 5 4 6 8 28
602 Surgery: Splint, Brace, or Bandage 5 3 8 5 7 28
404 Road Structure, Process, or Apparatus 4 2 6 9 6 27
482 Exercise Devices 3 4 8 4 8 27
144 Woodworking 6 5 3 7 4 25
071 Chemistry: Fertilizers 6 3 8 3 4 24
160 Flexible or Portable Closure, Partition, or Panel 7 2 4 4 7 24
388 Electricity: Motor Control Systems 6 5 3 2 7 23
048 Gas: Heating and Illuminating 1 6 8 5 2 22
279 Chucks or Sockets 1 4 3 8 6 22
028 Textiles: Manufacturing 5 5 4 2 5 21
305 Wheel Substitutes for Land Vehicles 3 3 3 6 6 21
108 Horizontally Supported Planar Surfaces 2 5 4 6 3 20
169 Fire Extinguishers 5 2 4 3 6 20
283 Printed Matter 6 1 3 8 2 20
063 Jewelry 3 4 4 5 3 19
212 Traversing Hoists 1 2 9 3 4 19
225 Severing by Tearing or Breaking 4 4 2 3 5 18
412 Bookbinding: Process and Apparatus 2 4 2 3 7 18
001 ** Classification Undetermined ** 1 1 7 6 2 17
293 Vehicle Fenders 0 3 6 4 4 17
406 Conveyors: Fluid Current 6 1 1 1 8 17
472 Amusement Devices 7 2 2 3 3 17
059 Chain, Staple, and Horseshoe Making 0 2 6 6 2 16
191 Electricity: Transmission To Vehicles 6 1 2 4 3 16
116 Signals and Indicators 4 3 2 2 4 15
452 Butchering 2 1 4 2 6 15
149 Explosive and Thermic Compositions or Charges 1 2 7 2 2 14
182 Fire Escape, Ladder, or Scaffold 2 1 5 2 4 14
038 Textiles: Ironing or Smoothing 1 4 2 0 6 13
105 Railway Rolling Stock 1 6 2 1 3 13
223 Apparel Apparatus 2 0 3 4 4 13
249 Static Molds 2 4 2 3 2 13
494 Imperforate Bowl: Centrifugal Separators 2 4 2 2 3 13
124 Mechanical Guns and Projectors 0 5 1 2 4 12
111 Planting 2 1 3 4 1 11
014 Bridges 4 1 3 2 0 10
281 Books, Strips, and Leaves 2 1 3 3 1 10
299 Mining or In Situ Disintegration of Hard Material 1 3 1 1 4 10
512 Perfume Compositions 1 1 4 2 2 10
076 Metal Tools and Implements, Making 3 2 0 2 2 9
102 Ammunition and Explosives 3 3 1 0 2 9
175 Boring or Penetrating the Earth 1 1 2 4 1 9
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 1 5 2 1 0 9
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 1 2 4 1 1 9
023 Chemistry: Physical Processes 1 1 3 2 1 8
026 Textiles: Cloth Finishing 1 2 4 1 0 8
186 Merchandising 3 2 1 1 1 8
202 Distillation: Apparatus 1 1 3 3 0 8
127 Sugar, Starch, and Carbohydrates 1 0 0 4 2 7
135 Tent, Canopy, Umbrella, or Cane 1 1 3 0 2 7
193 Conveyors, Chutes, Skids, Guides, and Ways 3 0 0 4 0 7
201 Distillation: Processes, Thermolytic 2 3 0 0 2 7
246 Railway Switches and Signals 1 1 2 2 1 7
019 Textiles: Fiber Preparation 4 0 1 0 1 6
410 Freight Accommodation On Freight Carrier 1 1 1 1 2 6
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 2 0 0 1 3 6
012 Boot and Shoe Making 0 0 1 2 2 5
087 Textiles: Braiding, Netting, and Lace Making 1 0 1 2 1 5
256 Fences 1 1 2 0 1 5
089 Ordnance 1 0 1 2 0 4
159 Concentrating Evaporators 2 0 1 1 0 4
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 1 2 0 1 0 4
190 Trunks and Hand-Carried Luggage 0 0 1 2 1 4
232 Deposit and Collection Receptacles 3 0 0 0 1 4
413 Sheet Metal Container Making 2 0 0 2 0 4
450 Foundation Garments 0 0 1 2 1 4
196 Mineral Oils: Apparatus 1 1 1 0 0 3
334 Tuners 0 0 2 1 0 3
441 Buoys, Rafts, and Aquatic Devices 1 0 0 0 2 3
007 Compound Hand Tools 0 1 0 1 0 2
027 Undertaking 0 0 0 2 0 2
042 Firearms 0 0 2 0 0 2
157 Wheelwright Machines 0 1 1 0 0 2
238 Railways: Surface Track 1 0 0 1 0 2
295 Railway Wheels and Axles 0 0 0 1 1 2
109 Safes, Bank Protection, or a Related Device 0 0 1 0 0 1
142 Wood Turning 1 0 0 0 0 1
168 Farriery 0 0 0 0 1 1
185 Motors: Spring, Weight, or Animal Powered 0 1 0 0 0 1
260 Chemistry of Carbon Compounds 0 0 0 0 1 1
289 Knots and Knot Tying 1 0 0 0 0 1
298 Land Vehicles: Dumping 1 0 0 0 0 1
449 Bee Culture (propagating, raising, caring for bees) 0 0 0 1 0 1
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 1 0 0 0 1
ALL ALL CLASSES 23053 23179 30840 31104 31296 139472



TAF Contacts

Questions regarding these reports should be directed to:

U.S. Patent and Trademark Office
Information Products Division - TAF Branch
PK3- Suite 441
Washington, DC 20231

tel: (703) 306-2600
FAX: (703) 306-2737
email: oeip@uspto.gov

address of TAF Internet pages : http://www.uspto.gov/web/offices/ac/ido/oeip/taf/tafp.html
ftp download of TAF reports from : ftp.uspto.gov/pub/taf/

[Top] [Regional Listing] [TAF Home Page] [USPTO Home Page]

Last Modified: April 30, 2001