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

CALIFORNIA

(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
435 Chemistry: Molecular Biology and Microbiology 530 781 807 699 778 3595
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 541 705 695 661 742 3344
438 Semiconductor Device Manufacturing: Process 225 287 466 666 842 2486
128 Surgery (includes Class 600) 265 425 417 455 393 1955
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 235 395 376 413 490 1909
606 Surgery (instruments) 224 317 407 447 389 1784
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 212 313 362 352 398 1637
707 DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) 157 346 401 325 345 1574
365 Static Information Storage and Retrieval 187 276 316 352 376 1507
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 87 287 296 347 375 1392
370 Multiplex Communications 124 163 232 329 345 1193
604 Surgery (Medicators and Receptors) 163 260 254 212 273 1162
360 Dynamic Magnetic Information Storage or Retrieval 160 245 221 248 281 1155
532 Organic Compounds (includes Classes 532-570) 182 256 237 233 230 1138
710 Input/Output (Electrical Computers and Digital Processing Systems) 172 255 239 234 223 1123
711 Memory (Electrical Computers and Digital Processing Systems) 138 200 217 225 233 1013
359 Optics: Systems (Including Communication) and Elements 124 190 222 221 249 1006
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 105 180 199 228 267 979
714 Error Detection/Correction and Fault Detection/Recovery 130 198 193 192 216 929
375 Pulse or Digital Communications 119 166 186 203 232 906
361 Electricity: Electrical Systems and Devices 122 191 181 163 189 846
250 Radiant Energy 137 176 139 153 202 807
382 Image Analysis 105 186 165 160 188 804
326 Electronic Digital Logic Circuitry 111 110 144 197 223 785
428 Stock Material or Miscellaneous Articles 123 172 158 156 160 769
713 Support (Electrical Computers and Digital Processing Systems) 89 140 157 160 175 721
455 Telecommunications 58 116 154 169 221 718
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 85 162 181 127 149 704
439 Electrical Connectors 92 101 119 184 168 664
340 Communications: Electrical 101 132 140 152 129 654
324 Electricity: Measuring and Testing 124 107 105 142 168 646
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 118 162 118 120 121 639
073 Measuring and Testing 112 142 137 120 118 629
356 Optics: Measuring and Testing 100 133 120 141 109 603
348 Television 65 117 124 145 118 569
029 Metal Working 101 113 104 121 122 561
385 Optical Waveguides 78 106 94 100 162 540
473 Games Using Tangible Projectile 96 141 108 85 108 538
379 Telephonic Communications 69 105 145 102 110 531
717 DP: Software Development, Installation, and Management (Data Processing) 35 98 139 120 136 528
204 Chemistry: Electrical and Wave Energy 64 74 117 130 140 525
372 Coherent Light Generators 73 115 108 102 101 499
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 80 102 102 108 94 486
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 73 93 111 101 105 483
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 56 93 82 114 138 483
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 77 94 84 93 131 479
210 Liquid Purification or Separation 72 77 94 118 115 476
052 Static Structures (e.g., Buildings) 75 100 87 96 97 455
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 61 78 100 104 107 450
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 90 108 90 83 72 443
347 Incremental Printing of Symbolic Information 79 72 82 79 130 442
427 Coating Processes 57 97 107 95 86 442
280 Land Vehicles 45 85 91 113 102 436
118 Coating Apparatus 42 51 80 128 125 426
607 Surgery: Light, Thermal, and Electrical Application 58 86 69 94 118 425
244 Aeronautics 50 86 86 103 94 419
248 Supports (e.g., for holding articles, etc.) 63 93 96 88 70 410
341 Coded Data Generation or Conversion 67 79 75 66 123 410
362 Illumination 71 86 69 84 96 406
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 32 73 107 107 76 395
343 Communications: Radio Wave Antennas 56 51 76 89 121 393
137 Fluid Handling 57 84 80 88 83 392
206 Special Receptacle or Package 68 89 97 80 58 392
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 52 81 72 62 111 378
451 Abrading 35 46 69 93 126 369
002 Apparel 54 78 82 85 68 367
358 Facsimile and Static Presentation Processing 68 77 68 75 72 360
219 Electric Heating 34 74 69 74 96 347
708 Arithmetic Processing and Calculating (Electrical Computers) 38 92 73 68 68 339
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 45 48 65 82 98 338
702 DP: Measuring, Calibrating, or Testing (Data Processing) 42 84 68 67 62 323
330 Amplifiers 35 45 65 84 85 314
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 56 56 71 62 63 308
700 DP: Generic Control Systems or Specific Applications (Data Processing) 37 81 61 48 79 306
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 53 64 47 72 62 298
433 Dentistry 45 73 49 54 72 293
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 25 35 66 68 98 292
222 Dispensing (apparatus and process) 42 50 78 72 49 291
436 Chemistry: Analytical and Immunological Testing 41 53 57 61 69 281
482 Exercise Devices 46 61 61 51 49 268
134 Cleaning and Liquid Contact with Solids 25 40 70 68 63 266
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 39 43 59 54 62 257
381 Electrical Audio Signal Processing Systems and Devices 45 61 56 49 44 255
062 Refrigeration 60 40 54 44 53 251
060 Power Plants 30 46 58 51 60 245
318 Electricity: Motive Power Systems 29 52 48 61 55 245
015 Brushing, Scrubbing, and General Cleaning 33 42 58 51 58 242
239 Fluid Sprinkling, Spraying, and Diffusing 41 62 56 42 39 240
310 Electrical Generator or Motor Structure 28 35 49 70 58 240
084 Music 36 38 52 63 48 237
315 Electric Lamp and Discharge Devices: Systems 32 45 50 55 55 237
273 Amusement Devices: Games 57 65 46 31 36 235
323 Electricity: Power Supply or Regulation Systems 39 43 42 54 55 233
369 Dynamic Information Storage or Retrieval 38 31 45 58 59 231
004 Baths, Closets, Sinks, and Spittoons 39 41 54 43 53 230
446 Amusement Devices: Toys 19 34 45 71 56 225
426 Food or Edible Material: Processes, Compositions, and Products 37 31 44 64 44 220
216 Etching a Substrate: Processes 27 32 52 53 53 217
333 Wave Transmission Lines and Networks 37 43 42 51 38 211
224 Package and Article Carriers 40 43 44 37 45 209
725 Interactive Video Distribution Systems 17 46 56 35 51 205
417 Pumps 37 28 41 55 43 204
331 Oscillators 29 34 27 55 56 201
414 Material or Article Handling 24 25 54 53 44 200
434 Education and Demonstration 25 37 49 50 38 199
174 Electricity: Conductors and Insulators 24 36 26 41 70 197
363 Electric Power Conversion Systems 34 32 40 36 55 197
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 26 28 42 46 49 191
220 Receptacles 31 30 39 35 53 188
005 Beds 36 38 41 36 29 180
297 Chairs and Seats 23 34 39 56 25 177
119 Animal Husbandry 25 47 39 31 33 175
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 41 30 28 37 37 173
378 X-Ray or Gamma Ray Systems or Devices 24 37 22 36 51 170
132 Toilet 15 41 47 36 27 166
351 Optics: Eye Examining, Vision Testing and Correcting 18 29 40 46 31 164
123 Internal-Combustion Engines 28 33 23 38 39 161
296 Land Vehicles: Bodies and Tops 18 26 26 32 48 150
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 16 18 32 32 50 148
320 Electricity: Battery or Capacitor Charging or Discharging 34 23 23 39 29 148
099 Foods and Beverages: Apparatus 37 24 24 24 38 147
307 Electrical Transmission or Interconnection Systems 32 23 32 30 28 145
313 Electric Lamp and Discharge Devices 18 33 29 32 27 139
380 Cryptography 23 33 17 32 32 137
040 Card, Picture, or Sign Exhibiting 19 29 26 21 40 135
081 Tools 18 27 24 28 38 135
252 Compositions 20 31 27 23 34 135
074 Machine Element or Mechanism 21 32 31 32 18 134
070 Locks 21 32 31 21 25 130
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 25 23 21 22 36 127
036 Boots, Shoes, and Leggings 23 24 31 30 17 125
211 Supports: Racks 22 26 28 23 26 125
602 Surgery: Splint, Brace, or Bandage 17 36 23 23 25 124
294 Handling: Hand and Hoist-Line Implements 18 31 22 32 20 123
114 Ships 17 23 24 30 28 122
423 Chemistry of Inorganic Compounds 19 23 33 27 20 122
033 Geometrical Instruments 16 24 24 22 34 120
228 Metal Fusion Bonding 22 16 28 24 30 120
463 Amusement Devices: Games 16 28 23 26 25 118
312 Supports: Cabinet Structure 16 25 28 21 24 114
367 Communications, Electrical: Acoustic Wave Systems and Devices 23 23 20 22 25 113
376 Induced Nuclear Reactions: Processes, Systems, and Elements 35 31 21 12 14 113
242 Winding, Tensioning, or Guiding 20 18 33 22 18 111
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 10 29 18 24 28 109
386 Television Signal Processing for Dynamic Recording or Reproducing 11 13 19 30 34 107
349 Liquid Crystal Cells, Elements and Systems 16 27 22 22 19 106
030 Cutlery 19 25 23 21 15 103
374 Thermal Measuring and Testing 15 24 15 25 23 102
405 Hydraulic and Earth Engineering 19 20 26 18 19 102
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 24 20 17 22 19 102
047 Plant Husbandry 14 23 23 19 21 100
285 Pipe Joints or Couplings 11 24 23 19 23 100
251 Valves and Valve Actuation 10 22 21 31 15 99
160 Flexible or Portable Closure, Partition, or Panel 14 18 15 33 18 98
165 Heat Exchange 15 18 20 24 21 98
135 Tent, Canopy, Umbrella, or Cane 16 16 16 21 25 94
400 Typewriting Machines 13 18 19 20 23 93
043 Fishing, Trapping, and Vermin Destroying 14 8 27 26 17 92
504 Plant Protecting and Regulating Compositions 35 15 20 15 7 92
180 Motor Vehicles 6 24 26 18 17 91
024 Buckles, Buttons, Clasps, Etc. 15 19 24 10 22 90
706 DP: Artificial Intelligence (Data Processing) 20 30 12 11 16 89
441 Buoys, Rafts, and Aquatic Devices 10 22 22 18 16 88
431 Combustion 3 8 16 34 26 87
106 Compositions: Coating or Plastic 17 16 20 20 13 86
034 Drying and Gas or Vapor Contact with Solids 11 11 20 23 20 85
601 Surgery: Kinesitherapy 11 25 17 16 15 84
148 Metal Treatment 13 21 17 17 13 81
221 Article Dispensing 12 16 24 13 16 81
136 Batteries: Thermoelectric and Photoelectric 6 9 12 21 32 80
181 Acoustics 23 14 15 14 13 79
366 Agitating (e.g., of articles and materials) 13 11 19 18 18 79
215 Bottles and Jars 15 11 27 15 10 78
108 Horizontally Supported Planar Surfaces 8 10 17 22 20 77
208 Mineral Oils: Processes and Products 23 12 14 11 16 76
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 17 20 6 20 13 76
292 Closure Fasteners 20 21 13 11 8 73
392 Electric Resistance Heating Devices 4 16 15 23 15 73
396 Photography 16 24 10 10 13 73
053 Package Making 14 18 21 9 10 72
229 Envelopes, Wrappers, and Paperboard Boxes 11 15 17 15 11 69
384 Bearings 14 9 19 9 18 69
368 Horology: Time Measuring Systems or Devices 10 14 15 11 18 68
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 7 21 15 10 14 67
403 Joints and Connections 17 12 8 13 17 67
016 Miscellaneous Hardware 13 12 19 11 11 66
101 Printing 4 27 13 13 9 66
126 Stoves and Furnaces 5 12 17 16 16 66
188 Brakes 6 17 19 11 13 66
445 Electric Lamp or Space Discharge Component or Device Manufacturing 9 10 17 18 11 65
089 Ordnance 9 16 16 8 15 64
044 Fuel and Related Compositions 13 21 7 13 8 62
401 Coating Implements with Material Supply 4 6 12 20 20 62
198 Conveyors: Power-Driven 12 10 16 11 12 61
095 Gas Separation: Processes 13 17 11 14 5 60
223 Apparel Apparatus 13 7 13 14 12 59
283 Printed Matter 10 16 12 13 8 59
408 Cutting by Use of Rotating Axially Moving Tool 10 14 15 9 10 58
042 Firearms 10 10 13 12 9 54
102 Ammunition and Explosives 6 11 14 9 13 53
209 Classifying, Separating, and Assorting Solids 10 11 8 7 17 53
353 Optics: Image Projectors 13 11 12 7 10 53
200 Electricity: Circuit Makers and Breakers 7 13 11 12 9 52
138 Pipes and Tubular Conduits 4 14 14 13 6 51
254 Implements or Apparatus for Applying Pushing or Pulling Force 7 4 11 16 13 51
269 Work Holders 7 12 10 14 8 51
271 Sheet Feeding or Delivering 7 10 11 13 10 51
083 Cutting 6 6 11 8 19 50
049 Movable or Removable Closures 6 13 13 7 10 49
404 Road Structure, Process, or Apparatus 7 11 11 11 9 49
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 4 14 14 5 12 49
241 Solid Material Comminution or Disintegration 10 11 10 10 7 48
355 Photocopying 10 3 10 13 12 48
277 Seal for a Joint or Juncture 6 6 10 16 9 47
281 Books, Strips, and Leaves 10 8 13 9 7 47
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 6 11 8 11 10 46
505 Superconductor Technology: Apparatus, Material, Process 12 6 16 9 3 46
585 Chemistry of Hydrocarbon Compounds 3 11 9 13 10 46
072 Metal Deforming 5 9 13 5 13 45
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 9 7 9 12 7 44
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 10 5 11 11 7 44
383 Flexible Bags 5 4 10 12 13 44
415 Rotary Kinetic Fluid Motors or Pumps 11 10 6 9 8 44
124 Mechanical Guns and Projectors 12 4 7 8 11 42
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 4 8 7 13 10 42
472 Amusement Devices 8 9 7 14 4 42
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 6 12 11 10 3 42
182 Fire Escape, Ladder, or Scaffold 4 10 10 9 8 41
096 Gas Separation: Apparatus 8 6 5 8 13 40
338 Electrical Resistors 6 15 7 5 7 40
175 Boring or Penetrating the Earth 4 7 8 9 11 39
454 Ventilation 4 7 7 16 5 39
399 Electrophotography 6 6 15 7 4 38
116 Signals and Indicators 7 5 9 7 8 36
440 Marine Propulsion 5 7 8 7 9 36
169 Fire Extinguishers 4 5 9 10 7 35
410 Freight Accommodation On Freight Carrier 8 6 9 6 6 35
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 6 8 9 5 6 34
352 Optics: Motion Pictures 9 10 5 4 6 34
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 4 8 6 7 9 34
055 Gas Separation 2 7 11 4 9 33
261 Gas and Liquid Contact Apparatus 4 4 4 8 13 33
267 Spring Devices 6 2 7 10 8 33
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 9 4 10 7 3 33
056 Harvesters 6 9 8 6 2 31
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 3 3 8 12 5 31
416 Fluid Reaction Surfaces (i.e., Impellers) 4 2 7 10 8 31
290 Prime-Mover Dynamo Plants 0 2 2 11 15 30
301 Land Vehicles: Wheels and Axles 4 8 3 9 6 30
336 Inductor Devices 6 8 8 2 6 30
475 Planetary Gear Transmission Systems or Components 6 9 6 5 4 30
100 Presses 6 6 4 6 5 27
164 Metal Founding 8 5 7 4 3 27
007 Compound Hand Tools 4 4 7 6 4 25
065 Glass Manufacturing 4 5 4 7 5 25
104 Railways 7 5 4 1 8 25
125 Stone Working 6 2 4 2 10 24
131 Tobacco 3 8 2 8 3 24
192 Clutches and Power-Stop Control 3 4 5 5 7 24
256 Fences 5 2 3 6 8 24
063 Jewelry 1 6 5 5 6 23
149 Explosive and Thermic Compositions or Charges 6 6 3 6 2 23
227 Elongated-Member-Driving Apparatus 6 9 4 2 2 23
332 Modulators 6 4 6 4 3 23
494 Imperforate Bowl: Centrifugal Separators 4 5 7 4 3 23
092 Expansible Chamber Devices 5 7 3 4 3 22
172 Earth Working 6 3 5 6 2 22
178 Telegraphy 4 5 8 2 3 22
474 Endless Belt Power Transmission Systems or Components 5 4 0 10 3 22
152 Resilient Tires and Wheels 7 3 5 5 1 21
190 Trunks and Hand-Carried Luggage 3 1 5 8 4 21
588 Hazardous or Toxic Waste Destruction or Containment 3 4 7 5 2 21
112 Sewing 3 0 8 2 7 20
184 Lubrication 3 5 1 6 5 20
236 Automatic Temperature and Humidity Regulation 4 2 3 3 8 20
432 Heating 3 3 6 4 4 20
450 Foundation Garments 1 3 5 7 4 20
501 Compositions: Ceramic 4 6 6 0 4 20
279 Chucks or Sockets 2 4 7 2 4 19
337 Electricity: Electrothermally or Thermally Actuated Switches 5 2 5 3 4 19
419 Powder Metallurgy Processes 5 6 2 2 3 18
162 Paper Making and Fiber Liberation 1 2 5 5 4 17
418 Rotary Expansible Chamber Devices 3 3 4 3 4 17
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 3 3 2 5 4 17
071 Chemistry: Fertilizers 2 5 4 3 2 16
082 Turning (e.g., for metal working) 3 1 4 4 4 16
150 Purses, Wallets, and Protective Covers 2 3 5 4 2 16
001 ** Classification Undetermined ** 1 2 9 2 1 15
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 2 4 4 3 2 15
225 Severing by Tearing or Breaking 3 5 3 1 3 15
249 Static Molds 5 5 3 1 1 15
409 Gear Cutting, Milling, or Planing 3 4 3 4 1 15
109 Safes, Bank Protection, or a Related Device 4 3 4 2 1 14
177 Weighing Scales 4 6 2 1 1 14
203 Distillation: Processes, Separatory 2 6 2 2 2 14
270 Sheet-Material Associating 3 2 3 0 6 14
014 Bridges 3 1 4 3 2 13
110 Furnaces 2 4 1 3 3 13
140 Wireworking 3 2 3 4 1 13
194 Check-Actuated Control Mechanisms 3 3 2 2 3 13
303 Fluid-Pressure and Analogous Brake Systems 3 3 1 3 3 13
322 Electricity: Single Generator Systems 1 1 1 6 3 12
483 Tool Changing 2 4 2 3 1 12
037 Excavating 5 1 1 2 2 11
051 Abrasive Tool Making Process, Material, or Composition 1 1 2 3 4 11
086 Ammunition and Explosive-Charge Making 2 5 1 1 2 11
122 Liquid Heaters and Vaporizers 2 2 1 3 3 11
232 Deposit and Collection Receptacles 1 0 4 0 6 11
329 Demodulators 0 1 2 4 4 11
452 Butchering 3 1 2 1 4 11
191 Electricity: Transmission To Vehicles 4 2 0 1 3 10
212 Traversing Hoists 1 1 4 2 2 10
507 Earth Boring, Well Treating, and Oil Field Chemistry 6 1 1 0 2 10
054 Harness (for animals) 0 4 0 4 1 9
144 Woodworking 1 2 3 1 2 9
193 Conveyors, Chutes, Skids, Guides, and Ways 0 1 2 2 4 9
202 Distillation: Apparatus 2 2 1 2 2 9
266 Metallurgical Apparatus 0 3 1 3 2 9
388 Electricity: Motor Control Systems 4 3 1 1 0 9
460 Crop Threshing or Separating 2 2 3 1 1 9
038 Textiles: Ironing or Smoothing 0 2 3 2 1 8
076 Metal Tools and Implements, Making 1 2 1 4 0 8
168 Farriery 1 0 1 5 1 8
226 Advancing Material of Indeterminate Length 1 2 1 4 0 8
406 Conveyors: Fluid Current 3 1 1 0 3 8
059 Chain, Staple, and Horseshoe Making 2 1 2 1 1 7
068 Textiles: Fluid Treating Apparatus 3 2 0 1 1 7
186 Merchandising 0 4 1 0 2 7
293 Vehicle Fenders 1 1 0 0 5 7
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 1 2 2 1 1 7
105 Railway Rolling Stock 4 0 1 1 0 6
173 Tool Driving or Impacting 3 3 0 0 0 6
238 Railways: Surface Track 0 1 3 0 2 6
289 Knots and Knot Tying 1 0 3 1 1 6
407 Cutters, for Shaping 0 0 3 2 1 6
048 Gas: Heating and Illuminating 2 2 1 0 0 5
091 Motors: Expansible Chamber Type 1 2 1 1 0 5
127 Sugar, Starch, and Carbohydrates 1 3 1 0 0 5
246 Railway Switches and Signals 0 4 0 1 0 5
373 Industrial Electric Heating Furnaces 0 1 2 2 0 5
412 Bookbinding: Process and Apparatus 0 1 0 3 1 5
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 0 1 1 2 1 5
477 Interrelated Power Delivery Controls, Including Engine Control 0 1 1 2 1 5
027 Undertaking 1 0 1 1 1 4
066 Textiles: Knitting 0 1 2 1 0 4
111 Planting 1 1 2 0 0 4
157 Wheelwright Machines 0 1 1 0 2 4
346 Recorders 1 2 0 1 0 4
420 Alloys or Metallic Compositions 1 0 2 1 0 4
139 Textiles: Weaving 3 0 0 0 0 3
299 Mining or In Situ Disintegration of Hard Material 1 0 0 1 1 3
334 Tuners 0 0 2 1 0 3
476 Friction Gear Transmission Systems or Components 1 0 0 0 2 3
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 0 0 3 0 0 3
518 Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof 0 0 0 0 3 3
012 Boot and Shoe Making 0 0 1 0 1 2
019 Textiles: Fiber Preparation 0 0 0 0 2 2
023 Chemistry: Physical Processes 0 0 0 1 1 2
057 Textiles: Spinning, Twisting, and Twining 1 1 0 0 0 2
159 Concentrating Evaporators 0 1 1 0 0 2
201 Distillation: Processes, Thermolytic 0 2 0 0 0 2
300 Brush, Broom, and Mop Making 0 0 1 0 1 2
026 Textiles: Cloth Finishing 0 0 0 0 1 1
142 Wood Turning 1 0 0 0 0 1
185 Motors: Spring, Weight, or Animal Powered 0 0 0 0 1 1
196 Mineral Oils: Apparatus 0 1 0 0 0 1
213 Railway Draft Appliances 0 0 0 0 1 1
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 1 0 0 0 0 1
237 Heating Systems 0 1 0 0 0 1
298 Land Vehicles: Dumping 0 0 0 0 1 1
305 Wheel Substitutes for Land Vehicles 0 0 0 1 0 1
462 Books, Strips, and Leaves for Manifolding 0 1 0 0 0 1
492 Roll or Roller 0 1 0 0 0 1
512 Perfume Compositions 0 0 0 1 0 1
ALL ALL CLASSES 11289 15791 16773 17492 18598 79943



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 9, 2002