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

OHIO

(patent origin is determined by the residence of the first-named inventor)

(technology class is determined by the primary classification assigned to the patent- see 'Explanation of Data')
 
Class Class Title 1996 1997 1998 1999 2000 Total
424 Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) 123 193 148 188 153 805
520 Synthetic Resins or Natural Rubbers (includes Classes 520-528) 134 118 157 172 164 745
428 Stock Material or Miscellaneous Articles 89 87 108 125 112 521
604 Surgery (Medicators and Receptors) 82 87 85 85 61 400
510 Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions 68 61 79 69 64 341
532 Organic Compounds (includes Classes 532-570) 54 69 50 50 40 263
606 Surgery (instruments) 35 46 52 62 47 242
156 Adhesive Bonding and Miscellaneous Chemical Manufacture 46 42 54 60 35 237
128 Surgery (includes Class 600) 26 28 55 54 54 217
264 Plastic and Nonmetallic Article Shaping or Treating: Processes 35 32 48 37 48 200
426 Food or Edible Material: Processes, Compositions, and Products 25 26 26 53 51 181
427 Coating Processes 36 30 50 33 31 180
219 Electric Heating 17 25 38 48 49 177
052 Static Structures (e.g., Buildings) 21 30 38 39 47 175
280 Land Vehicles 27 30 46 27 45 175
029 Metal Working 26 28 41 35 36 166
015 Brushing, Scrubbing, and General Cleaning 29 21 30 47 37 164
435 Chemistry: Molecular Biology and Microbiology 20 32 40 45 21 158
073 Measuring and Testing 30 21 33 30 35 149
065 Glass Manufacturing 15 36 36 39 21 147
137 Fluid Handling 20 21 21 41 32 135
222 Dispensing (apparatus and process) 20 17 27 40 31 135
060 Power Plants 23 35 32 19 23 132
206 Special Receptacle or Package 28 20 28 27 23 126
324 Electricity: Measuring and Testing 31 28 24 21 21 125
340 Communications: Electrical 22 17 26 29 31 125
210 Liquid Purification or Separation 22 19 27 26 27 121
439 Electrical Connectors 17 21 21 32 28 119
508 Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions 24 21 29 23 20 117
162 Paper Making and Fiber Liberation 18 19 34 20 23 114
248 Supports (e.g., for holding articles, etc.) 15 20 28 27 24 114
250 Radiant Energy 21 23 24 22 17 107
072 Metal Deforming 22 19 28 20 14 103
239 Fluid Sprinkling, Spraying, and Diffusing 20 15 25 23 19 102
425 Plastic Article or Earthenware Shaping or Treating: Apparatus 17 21 23 15 21 97
062 Refrigeration 29 16 18 12 19 94
152 Resilient Tires and Wheels 15 15 23 17 24 94
297 Chairs and Seats 22 16 12 23 20 93
362 Illumination 10 21 21 19 22 93
002 Apparel 13 15 19 25 18 90
220 Receptacles 19 14 24 19 14 90
422 Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing 18 19 19 19 15 90
416 Fluid Reaction Surfaces (i.e., Impellers) 17 16 21 13 17 84
417 Pumps 14 16 17 16 21 84
429 Chemistry: Electrical Current Producing Apparatus, Product, and Process 15 15 15 15 23 83
252 Compositions 14 11 21 21 14 81
005 Beds 9 8 16 24 23 80
053 Package Making 19 15 18 13 14 79
356 Optics: Measuring and Testing 15 7 11 19 24 76
188 Brakes 20 13 19 15 8 75
285 Pipe Joints or Couplings 14 12 18 13 18 75
134 Cleaning and Liquid Contact with Solids 14 12 13 24 11 74
148 Metal Treatment 19 15 12 14 10 70
315 Electric Lamp and Discharge Devices: Systems 4 8 13 20 25 70
473 Games Using Tangible Projectile 13 18 16 11 12 70
313 Electric Lamp and Discharge Devices 12 13 18 13 13 69
415 Rotary Kinetic Fluid Motors or Pumps 21 12 12 6 18 69
318 Electricity: Motive Power Systems 11 11 7 20 19 68
700 DP: Generic Control Systems or Specific Applications (Data Processing) 8 7 16 22 15 68
229 Envelopes, Wrappers, and Paperboard Boxes 7 13 13 18 16 67
310 Electrical Generator or Motor Structure 8 13 19 9 18 67
493 Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web 7 9 19 17 15 67
242 Winding, Tensioning, or Guiding 8 14 19 11 14 66
227 Elongated-Member-Driving Apparatus 19 22 13 10 1 65
198 Conveyors: Power-Driven 15 13 14 13 9 64
211 Supports: Racks 6 16 12 16 14 64
205 Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions 6 13 8 13 18 58
215 Bottles and Jars 8 10 13 16 11 58
359 Optics: Systems (Including Communication) and Elements 7 7 16 16 11 57
403 Joints and Connections 15 13 7 6 16 57
074 Machine Element or Mechanism 8 5 13 13 17 56
204 Chemistry: Electrical and Wave Energy 8 13 13 13 8 55
358 Facsimile and Static Presentation Processing 12 11 18 10 4 55
451 Abrading 12 14 7 11 11 55
235 Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) 5 6 15 8 20 54
361 Electricity: Electrical Systems and Devices 12 9 18 9 6 54
442 Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) 5 8 17 12 12 54
502 Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making 6 19 10 11 7 53
138 Pipes and Tubular Conduits 4 9 10 13 16 52
378 X-Ray or Gamma Ray Systems or Devices 8 11 7 5 19 50
501 Compositions: Ceramic 11 10 8 12 9 50
607 Surgery: Light, Thermal, and Electrical Application 3 6 10 16 15 50
099 Foods and Beverages: Apparatus 8 11 10 10 10 49
106 Compositions: Coating or Plastic 11 9 13 8 7 48
385 Optical Waveguides 5 10 15 11 7 48
119 Animal Husbandry 9 8 14 5 11 47
623 Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor 9 4 13 9 12 47
283 Printed Matter 11 2 9 12 12 46
414 Material or Article Handling 12 10 4 9 11 46
083 Cutting 4 6 12 9 14 45
174 Electricity: Conductors and Insulators 9 4 10 11 11 45
345 Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems 4 8 14 9 10 45
423 Chemistry of Inorganic Compounds 13 6 8 9 9 45
164 Metal Founding 9 12 8 11 3 43
312 Supports: Cabinet Structure 7 9 7 8 12 43
141 Fluent Material Handling, with Receiver or Receiver Coacting Means 11 14 9 2 6 42
400 Typewriting Machines 6 5 17 10 3 41
118 Coating Apparatus 9 4 11 6 10 40
431 Combustion 5 9 10 10 6 40
702 DP: Measuring, Calibrating, or Testing (Data Processing) 9 6 6 10 9 40
303 Fluid-Pressure and Analogous Brake Systems 5 13 6 6 9 39
482 Exercise Devices 4 7 11 12 5 39
030 Cutlery 7 3 4 18 6 38
075 Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures 8 6 5 12 7 38
192 Clutches and Power-Stop Control 4 9 9 7 9 38
244 Aeronautics 9 5 11 6 7 38
418 Rotary Expansible Chamber Devices 11 5 5 3 14 38
056 Harvesters 5 0 10 10 12 37
366 Agitating (e.g., of articles and materials) 7 9 8 4 9 37
464 Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts 2 15 6 7 7 37
096 Gas Separation: Apparatus 5 10 10 3 8 36
110 Furnaces 5 5 14 6 6 36
055 Gas Separation 3 7 12 6 7 35
101 Printing 5 4 4 14 8 35
124 Mechanical Guns and Projectors 4 9 12 7 3 35
530 Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof 2 6 9 11 7 35
707 DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) 5 6 11 9 4 35
033 Geometrical Instruments 10 5 6 5 8 34
123 Internal-Combustion Engines 5 8 13 6 2 34
224 Package and Article Carriers 2 10 9 5 8 34
267 Spring Devices 10 6 6 3 9 34
277 Seal for a Joint or Juncture 9 6 3 8 8 34
296 Land Vehicles: Bodies and Tops 10 5 4 11 4 34
004 Baths, Closets, Sinks, and Spittoons 4 8 6 8 7 33
084 Music 3 2 6 11 11 33
108 Horizontally Supported Planar Surfaces 6 10 6 5 6 33
375 Pulse or Digital Communications 8 6 5 10 4 33
384 Bearings 15 1 6 7 4 33
705 DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) 1 4 6 10 12 33
034 Drying and Gas or Vapor Contact with Solids 8 6 5 3 10 32
379 Telephonic Communications 6 5 5 12 4 32
436 Chemistry: Analytical and Immunological Testing 6 3 7 7 9 32
446 Amusement Devices: Toys 4 3 5 6 14 32
126 Stoves and Furnaces 1 9 6 7 8 31
160 Flexible or Portable Closure, Partition, or Panel 5 5 6 9 6 31
180 Motor Vehicles 5 4 5 7 10 31
602 Surgery: Splint, Brace, or Bandage 6 3 4 10 7 30
070 Locks 3 7 8 8 3 29
081 Tools 3 1 2 11 12 29
122 Liquid Heaters and Vaporizers 7 6 7 5 4 29
165 Heat Exchange 11 4 5 2 7 29
349 Liquid Crystal Cells, Elements and Systems 5 6 4 8 6 29
434 Education and Demonstration 6 4 8 7 4 29
701 DP: Vehicles, Navigation, and Relative Location (Data Processing) 4 5 3 8 9 29
008 Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers 6 6 6 7 3 28
307 Electrical Transmission or Interconnection Systems 2 9 5 9 3 28
047 Plant Husbandry 4 2 5 5 11 27
182 Fire Escape, Ladder, or Scaffold 1 3 9 8 6 27
228 Metal Fusion Bonding 9 7 3 4 4 27
294 Handling: Hand and Hoist-Line Implements 5 6 9 2 5 27
455 Telecommunications 4 1 5 7 10 27
800 Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes 1 4 2 10 10 27
095 Gas Separation: Processes 5 2 4 6 9 26
273 Amusement Devices: Games 7 6 5 5 3 26
363 Electric Power Conversion Systems 2 3 2 12 7 26
405 Hydraulic and Earth Engineering 9 2 5 7 3 26
049 Movable or Removable Closures 3 5 7 5 5 25
181 Acoustics 4 3 4 8 6 25
347 Incremental Printing of Symbolic Information 6 3 7 6 3 25
040 Card, Picture, or Sign Exhibiting 5 3 4 6 6 24
044 Fuel and Related Compositions 5 2 7 3 7 24
200 Electricity: Circuit Makers and Breakers 6 6 7 2 3 24
251 Valves and Valve Actuation 6 2 5 6 5 24
266 Metallurgical Apparatus 2 2 3 6 11 24
292 Closure Fasteners 2 5 7 4 6 24
254 Implements or Apparatus for Applying Pushing or Pulling Force 6 2 4 7 4 23
430 Radiation Imagery Chemistry: Process, Composition, or Product Thereof 6 4 3 3 7 23
016 Miscellaneous Hardware 3 4 4 4 7 22
024 Buckles, Buttons, Clasps, Etc. 3 7 4 2 6 22
241 Solid Material Comminution or Disintegration 4 3 5 5 5 22
382 Image Analysis 0 4 2 5 11 22
221 Article Dispensing 3 4 4 6 4 21
411 Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener 5 5 5 3 3 21
710 Input/Output (Electrical Computers and Digital Processing Systems) 2 1 8 6 4 21
100 Presses 2 7 3 4 4 20
132 Toilet 5 1 4 5 5 20
337 Electricity: Electrothermally or Thermally Actuated Switches 5 1 4 5 5 20
342 Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) 3 3 6 5 3 20
351 Optics: Eye Examining, Vision Testing and Correcting 5 1 7 3 4 20
588 Hazardous or Toxic Waste Destruction or Containment 7 8 1 1 3 20
082 Turning (e.g., for metal working) 5 4 4 4 2 19
112 Sewing 9 7 0 3 0 19
209 Classifying, Separating, and Assorting Solids 3 2 3 9 2 19
392 Electric Resistance Heating Devices 5 3 3 4 4 19
144 Woodworking 3 3 3 5 4 18
261 Gas and Liquid Contact Apparatus 7 4 3 3 1 18
269 Work Holders 3 5 3 2 5 18
301 Land Vehicles: Wheels and Axles 1 1 4 6 6 18
343 Communications: Radio Wave Antennas 3 2 3 5 5 18
408 Cutting by Use of Rotating Axially Moving Tool 4 1 5 5 3 18
043 Fishing, Trapping, and Vermin Destroying 2 6 5 4 0 17
348 Television 4 0 2 4 7 17
374 Thermal Measuring and Testing 0 4 6 3 4 17
433 Dentistry 1 2 6 5 3 17
438 Semiconductor Device Manufacturing: Process 1 2 2 5 7 17
105 Railway Rolling Stock 1 5 2 5 3 16
172 Earth Working 2 1 3 6 4 16
320 Electricity: Battery or Capacitor Charging or Discharging 1 3 6 4 2 16
419 Powder Metallurgy Processes 5 2 2 2 5 16
432 Heating 0 3 2 5 6 16
714 Error Detection/Correction and Fault Detection/Recovery 1 4 5 5 1 16
036 Boots, Shoes, and Leggings 0 1 8 4 2 15
114 Ships 2 5 4 3 1 15
187 Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle 1 2 4 4 4 15
271 Sheet Feeding or Delivering 4 4 1 4 2 15
409 Gear Cutting, Milling, or Planing 2 5 2 3 3 15
410 Freight Accommodation On Freight Carrier 1 0 5 5 4 15
601 Surgery: Kinesitherapy 1 2 5 3 4 15
709 Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) 3 1 2 4 5 15
027 Undertaking 5 3 4 0 2 14
117 Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor 5 1 1 3 4 14
184 Lubrication 6 2 2 1 3 14
270 Sheet-Material Associating 4 3 2 3 2 14
383 Flexible Bags 2 1 2 4 5 14
401 Coating Implements with Material Supply 4 1 3 1 5 14
703 DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) 0 3 3 5 3 14
257 Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) 0 5 4 2 2 13
323 Electricity: Power Supply or Regulation Systems 0 6 3 2 2 13
370 Multiplex Communications 1 1 2 2 7 13
373 Industrial Electric Heating Furnaces 3 3 1 4 2 13
381 Electrical Audio Signal Processing Systems and Devices 4 2 2 3 2 13
404 Road Structure, Process, or Apparatus 0 4 2 4 3 13
503 Record Receiver Having Plural Interactive Leaves or a Colorless Color Former, Method of Use, or Developer Therefor 2 0 2 7 2 13
037 Excavating 4 2 3 0 3 12
042 Firearms 1 3 3 4 1 12
092 Expansible Chamber Devices 2 1 3 4 2 12
512 Perfume Compositions 3 1 2 1 5 12
713 Support (Electrical Computers and Digital Processing Systems) 0 1 4 2 5 12
175 Boring or Penetrating the Earth 1 4 4 1 1 11
281 Books, Strips, and Leaves 1 2 1 4 3 11
109 Safes, Bank Protection, or a Related Device 1 2 3 2 2 10
111 Planting 3 2 3 0 2 10
135 Tent, Canopy, Umbrella, or Cane 1 3 4 1 1 10
169 Fire Extinguishers 2 0 2 1 5 10
249 Static Molds 2 2 3 3 0 10
256 Fences 0 2 2 4 2 10
335 Electricity: Magnetically Operated Switches, Magnets, and Electromagnets 1 3 1 2 3 10
474 Endless Belt Power Transmission Systems or Components 1 1 3 3 2 10
516 Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting 3 2 1 3 1 10
048 Gas: Heating and Illuminating 2 3 1 2 1 9
068 Textiles: Fluid Treating Apparatus 3 2 4 0 0 9
327 Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems 0 3 2 2 2 9
507 Earth Boring, Well Treating, and Oil Field Chemistry 0 5 4 0 0 9
717 DP: Software Development, Installation, and Management (Data Processing) 1 0 2 4 2 9
102 Ammunition and Explosives 0 1 3 0 4 8
193 Conveyors, Chutes, Skids, Guides, and Ways 0 1 0 2 5 8
208 Mineral Oils: Processes and Products 1 1 3 2 1 8
406 Conveyors: Fluid Current 2 2 2 1 1 8
420 Alloys or Metallic Compositions 1 3 0 2 2 8
445 Electric Lamp or Space Discharge Component or Device Manufacturing 0 1 0 6 1 8
091 Motors: Expansible Chamber Type 2 1 1 2 1 7
177 Weighing Scales 0 1 3 3 0 7
194 Check-Actuated Control Mechanisms 2 1 1 2 1 7
223 Apparel Apparatus 3 0 1 0 3 7
237 Heating Systems 2 2 2 0 1 7
388 Electricity: Motor Control Systems 0 1 1 1 4 7
014 Bridges 4 2 0 0 0 6
071 Chemistry: Fertilizers 2 0 2 1 1 6
104 Railways 1 1 1 3 0 6
226 Advancing Material of Indeterminate Length 2 0 2 0 2 6
232 Deposit and Collection Receptacles 2 1 1 1 1 6
338 Electrical Resistors 0 1 2 2 1 6
367 Communications, Electrical: Acoustic Wave Systems and Devices 2 3 1 0 0 6
454 Ventilation 2 0 1 2 1 6
470 Threaded, Headed Fastener, or Washer Making: Process and Apparatus 0 2 2 2 0 6
472 Amusement Devices 2 1 0 0 3 6
504 Plant Protecting and Regulating Compositions 2 1 2 0 1 6
704 DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) 1 1 2 2 0 6
725 Interactive Video Distribution Systems 1 1 1 2 1 6
051 Abrasive Tool Making Process, Material, or Composition 3 1 0 0 1 5
076 Metal Tools and Implements, Making 1 1 1 1 1 5
116 Signals and Indicators 0 2 1 1 1 5
136 Batteries: Thermoelectric and Photoelectric 3 0 0 0 2 5
173 Tool Driving or Impacting 2 2 1 0 0 5
216 Etching a Substrate: Processes 2 0 1 0 2 5
225 Severing by Tearing or Breaking 1 0 3 1 0 5
236 Automatic Temperature and Humidity Regulation 0 0 0 1 4 5
279 Chucks or Sockets 2 1 0 1 1 5
333 Wave Transmission Lines and Networks 1 0 2 0 2 5
360 Dynamic Magnetic Information Storage or Retrieval 0 0 3 1 1 5
372 Coherent Light Generators 0 1 1 2 1 5
376 Induced Nuclear Reactions: Processes, Systems, and Elements 1 0 3 1 0 5
402 Binder Device Releasably Engaging Aperture or Notch of Sheet 2 0 0 0 3 5
413 Sheet Metal Container Making 0 1 2 1 1 5
452 Butchering 1 0 1 0 3 5
475 Planetary Gear Transmission Systems or Components 1 2 0 0 2 5
585 Chemistry of Hydrocarbon Compounds 2 0 1 2 0 5
706 DP: Artificial Intelligence (Data Processing) 0 0 4 0 1 5
708 Arithmetic Processing and Calculating (Electrical Computers) 0 0 3 1 1 5
712 Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) 0 0 3 0 2 5
001 ** Classification Undetermined ** 0 0 4 0 0 4
038 Textiles: Ironing or Smoothing 0 1 1 1 1 4
089 Ordnance 0 1 0 1 2 4
139 Textiles: Weaving 2 1 0 1 0 4
140 Wireworking 2 1 0 0 1 4
149 Explosive and Thermic Compositions or Charges 2 0 0 2 0 4
157 Wheelwright Machines 2 0 0 1 1 4
201 Distillation: Processes, Thermolytic 0 3 0 0 1 4
217 Wooden Receptacles 0 0 0 2 2 4
293 Vehicle Fenders 0 1 1 0 2 4
299 Mining or In Situ Disintegration of Hard Material 2 0 0 1 1 4
300 Brush, Broom, and Mop Making 0 1 2 1 0 4
305 Wheel Substitutes for Land Vehicles 1 0 2 0 1 4
341 Coded Data Generation or Conversion 1 0 2 1 0 4
380 Cryptography 1 1 1 1 0 4
412 Bookbinding: Process and Apparatus 1 0 0 1 2 4
440 Marine Propulsion 0 1 1 2 0 4
441 Buoys, Rafts, and Aquatic Devices 0 0 2 0 2 4
477 Interrelated Power Delivery Controls, Including Engine Control 1 0 0 0 3 4
492 Roll or Roller 1 1 1 1 0 4
505 Superconductor Technology: Apparatus, Material, Process 0 0 2 1 1 4
007 Compound Hand Tools 1 1 0 0 1 3
012 Boot and Shoe Making 3 0 0 0 0 3
026 Textiles: Cloth Finishing 1 0 1 0 1 3
087 Textiles: Braiding, Netting, and Lace Making 0 0 1 1 1 3
150 Purses, Wallets, and Protective Covers 1 2 0 0 0 3
166 Wells (shafts or deep borings in the earth, e.g., for oil and gas) 0 1 0 0 2 3
203 Distillation: Processes, Separatory 1 1 1 0 0 3
213 Railway Draft Appliances 0 0 0 3 0 3
290 Prime-Mover Dynamo Plants 0 0 1 1 1 3
298 Land Vehicles: Dumping 0 0 1 1 1 3
322 Electricity: Single Generator Systems 1 1 1 0 0 3
368 Horology: Time Measuring Systems or Devices 0 2 0 0 1 3
369 Dynamic Information Storage or Retrieval 2 1 0 0 0 3
377 Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems 0 1 0 1 1 3
407 Cutters, for Shaping 1 0 0 0 2 3
453 Coin Handling 0 0 0 1 2 3
463 Amusement Devices: Games 0 0 1 2 0 3
711 Memory (Electrical Computers and Digital Processing Systems) 0 1 1 0 1 3
054 Harness (for animals) 0 0 0 0 2 2
057 Textiles: Spinning, Twisting, and Twining 0 0 1 0 1 2
059 Chain, Staple, and Horseshoe Making 0 0 1 0 1 2
127 Sugar, Starch, and Carbohydrates 0 0 2 0 0 2
190 Trunks and Hand-Carried Luggage 0 0 0 1 1 2
212 Traversing Hoists 0 1 0 0 1 2
218 High-Voltage Switches with Arc Preventing or Extinguishing Devices 0 0 0 2 0 2
326 Electronic Digital Logic Circuitry 0 0 2 0 0 2
329 Demodulators 0 1 0 0 1 2
330 Amplifiers 0 0 0 1 1 2
336 Inductor Devices 1 0 0 0 1 2
386 Television Signal Processing for Dynamic Recording or Reproducing 2 0 0 0 0 2
396 Photography 1 0 0 0 1 2
450 Foundation Garments 0 1 0 0 1 2
462 Books, Strips, and Leaves for Manifolding 0 1 0 1 0 2
494 Imperforate Bowl: Centrifugal Separators 1 0 0 1 0 2
028 Textiles: Manufacturing 0 0 0 1 0 1
063 Jewelry 0 0 1 0 0 1
066 Textiles: Knitting 0 0 0 0 1 1
086 Ammunition and Explosive-Charge Making 0 0 1 0 0 1
125 Stone Working 0 0 0 1 0 1
131 Tobacco 0 0 0 0 1 1
142 Wood Turning 1 0 0 0 0 1
147 Coopering 0 0 1 0 0 1
168 Farriery 0 0 0 0 1 1
178 Telegraphy 1 0 0 0 0 1
191 Electricity: Transmission To Vehicles 0 1 0 0 0 1
202 Distillation: Apparatus 0 1 0 0 0 1
238 Railways: Surface Track 0 0 1 0 0 1
246 Railway Switches and Signals 0 1 0 0 0 1
260 Chemistry of Carbon Compounds 0 0 1 0 0 1
289 Knots and Knot Tying 0 0 0 1 0 1
331 Oscillators 0 0 0 0 1 1
332 Modulators 1 0 0 0 0 1
346 Recorders 0 0 1 0 0 1
399 Electrophotography 0 0 1 0 0 1
460 Crop Threshing or Separating 0 0 0 1 0 1
476 Friction Gear Transmission Systems or Components 1 0 0 0 0 1
483 Tool Changing 0 0 0 0 1 1
716 DP: Design and Analysis of Circuit or Semiconductor Mask (Data Processing) 0 0 0 1 0 1
ALL ALL CLASSES 2616 2715 3272 3360 3197 15160



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
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Last Modified: April 30, 2001