U.S. PATENT AND TRADEMARK OFFICE Information Products Division Technology Assessment and Forecast (TAF) Branch |
Class | Class Title | 1996 | 1997 | 1998 | 1999 | 2000 | Total |
800 | Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes | 30 | 25 | 80 | 91 | 61 | 287 |
424 | Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) | 16 | 11 | 16 | 24 | 16 | 83 |
435 | Chemistry: Molecular Biology and Microbiology | 5 | 6 | 30 | 27 | 14 | 82 |
172 | Earth Working | 11 | 10 | 15 | 13 | 7 | 56 |
056 | Harvesters | 8 | 5 | 18 | 8 | 12 | 51 |
532 | Organic Compounds (includes Classes 532-570) | 6 | 13 | 15 | 8 | 9 | 51 |
235 | Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) | 11 | 6 | 9 | 14 | 8 | 48 |
052 | Static Structures (e.g., Buildings) | 5 | 7 | 12 | 9 | 13 | 46 |
073 | Measuring and Testing | 5 | 9 | 6 | 10 | 8 | 38 |
414 | Material or Article Handling | 7 | 10 | 4 | 9 | 7 | 37 |
361 | Electricity: Electrical Systems and Devices | 5 | 3 | 7 | 14 | 4 | 33 |
379 | Telephonic Communications | 6 | 8 | 5 | 8 | 5 | 32 |
128 | Surgery (includes Class 600) | 3 | 5 | 7 | 9 | 7 | 31 |
137 | Fluid Handling | 2 | 4 | 8 | 6 | 10 | 30 |
426 | Food or Edible Material: Processes, Compositions, and Products | 3 | 1 | 7 | 11 | 6 | 28 |
241 | Solid Material Comminution or Disintegration | 3 | 3 | 5 | 5 | 11 | 27 |
473 | Games Using Tangible Projectile | 4 | 3 | 10 | 6 | 4 | 27 |
701 | DP: Vehicles, Navigation, and Relative Location (Data Processing) | 4 | 3 | 2 | 12 | 6 | 27 |
119 | Animal Husbandry | 3 | 5 | 6 | 7 | 5 | 26 |
248 | Supports (e.g., for holding articles, etc.) | 3 | 6 | 6 | 7 | 4 | 26 |
280 | Land Vehicles | 8 | 2 | 7 | 6 | 3 | 26 |
034 | Drying and Gas or Vapor Contact with Solids | 7 | 4 | 4 | 4 | 6 | 25 |
342 | Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) | 1 | 0 | 1 | 13 | 10 | 25 |
345 | Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems | 3 | 3 | 5 | 8 | 6 | 25 |
370 | Multiplex Communications | 2 | 5 | 7 | 7 | 4 | 25 |
111 | Planting | 7 | 3 | 2 | 10 | 2 | 24 |
340 | Communications: Electrical | 1 | 5 | 6 | 8 | 4 | 24 |
452 | Butchering | 3 | 3 | 4 | 6 | 8 | 24 |
264 | Plastic and Nonmetallic Article Shaping or Treating: Processes | 3 | 2 | 7 | 5 | 5 | 22 |
362 | Illumination | 4 | 4 | 5 | 6 | 3 | 22 |
297 | Chairs and Seats | 5 | 0 | 5 | 4 | 6 | 20 |
375 | Pulse or Digital Communications | 4 | 1 | 6 | 6 | 3 | 20 |
428 | Stock Material or Miscellaneous Articles | 5 | 2 | 6 | 3 | 4 | 20 |
068 | Textiles: Fluid Treating Apparatus | 1 | 1 | 6 | 8 | 3 | 19 |
200 | Electricity: Circuit Makers and Breakers | 6 | 3 | 9 | 1 | 0 | 19 |
210 | Liquid Purification or Separation | 3 | 2 | 4 | 5 | 5 | 19 |
239 | Fluid Sprinkling, Spraying, and Diffusing | 2 | 3 | 4 | 5 | 5 | 19 |
296 | Land Vehicles: Bodies and Tops | 1 | 2 | 5 | 6 | 5 | 19 |
320 | Electricity: Battery or Capacitor Charging or Discharging | 3 | 3 | 2 | 7 | 4 | 19 |
455 | Telecommunications | 8 | 4 | 0 | 6 | 1 | 19 |
606 | Surgery (instruments) | 2 | 0 | 4 | 10 | 3 | 19 |
312 | Supports: Cabinet Structure | 3 | 0 | 2 | 6 | 7 | 18 |
043 | Fishing, Trapping, and Vermin Destroying | 3 | 0 | 1 | 6 | 7 | 17 |
219 | Electric Heating | 2 | 0 | 1 | 7 | 7 | 17 |
222 | Dispensing (apparatus and process) | 2 | 3 | 5 | 6 | 1 | 17 |
366 | Agitating (e.g., of articles and materials) | 3 | 8 | 3 | 2 | 1 | 17 |
700 | DP: Generic Control Systems or Specific Applications (Data Processing) | 4 | 4 | 3 | 2 | 4 | 17 |
702 | DP: Measuring, Calibrating, or Testing (Data Processing) | 3 | 1 | 3 | 4 | 6 | 17 |
180 | Motor Vehicles | 6 | 5 | 0 | 2 | 3 | 16 |
204 | Chemistry: Electrical and Wave Energy | 3 | 2 | 3 | 6 | 2 | 16 |
343 | Communications: Radio Wave Antennas | 9 | 2 | 1 | 1 | 3 | 16 |
404 | Road Structure, Process, or Apparatus | 2 | 2 | 1 | 5 | 6 | 16 |
029 | Metal Working | 4 | 3 | 2 | 3 | 3 | 15 |
709 | Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) | 1 | 2 | 4 | 3 | 5 | 15 |
008 | Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers | 0 | 1 | 4 | 8 | 1 | 14 |
060 | Power Plants | 4 | 2 | 3 | 0 | 5 | 14 |
206 | Special Receptacle or Package | 0 | 0 | 6 | 4 | 4 | 14 |
335 | Electricity: Magnetically Operated Switches, Magnets, and Electromagnets | 4 | 2 | 3 | 4 | 1 | 14 |
417 | Pumps | 5 | 0 | 1 | 2 | 6 | 14 |
037 | Excavating | 2 | 1 | 2 | 4 | 4 | 13 |
356 | Optics: Measuring and Testing | 2 | 3 | 3 | 4 | 1 | 13 |
062 | Refrigeration | 1 | 1 | 5 | 4 | 1 | 12 |
144 | Woodworking | 1 | 4 | 3 | 3 | 1 | 12 |
220 | Receptacles | 2 | 4 | 2 | 3 | 1 | 12 |
224 | Package and Article Carriers | 4 | 3 | 0 | 2 | 3 | 12 |
324 | Electricity: Measuring and Testing | 1 | 1 | 1 | 5 | 4 | 12 |
349 | Liquid Crystal Cells, Elements and Systems | 0 | 5 | 1 | 5 | 1 | 12 |
434 | Education and Demonstration | 1 | 2 | 6 | 1 | 2 | 12 |
520 | Synthetic Resins or Natural Rubbers (includes Classes 520-528) | 3 | 1 | 1 | 4 | 3 | 12 |
134 | Cleaning and Liquid Contact with Solids | 0 | 6 | 2 | 3 | 0 | 11 |
251 | Valves and Valve Actuation | 3 | 1 | 4 | 3 | 0 | 11 |
360 | Dynamic Magnetic Information Storage or Retrieval | 3 | 2 | 2 | 2 | 2 | 11 |
482 | Exercise Devices | 2 | 2 | 0 | 4 | 3 | 11 |
033 | Geometrical Instruments | 1 | 1 | 2 | 3 | 3 | 10 |
081 | Tools | 1 | 1 | 1 | 3 | 4 | 10 |
123 | Internal-Combustion Engines | 3 | 1 | 2 | 2 | 2 | 10 |
156 | Adhesive Bonding and Miscellaneous Chemical Manufacture | 1 | 1 | 3 | 1 | 4 | 10 |
211 | Supports: Racks | 2 | 2 | 3 | 3 | 0 | 10 |
221 | Article Dispensing | 3 | 1 | 2 | 2 | 2 | 10 |
250 | Radiant Energy | 3 | 0 | 2 | 3 | 2 | 10 |
403 | Joints and Connections | 2 | 2 | 4 | 1 | 1 | 10 |
422 | Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing | 0 | 1 | 5 | 2 | 2 | 10 |
451 | Abrading | 1 | 4 | 0 | 1 | 4 | 10 |
460 | Crop Threshing or Separating | 3 | 2 | 1 | 1 | 3 | 10 |
604 | Surgery (Medicators and Receptors) | 3 | 2 | 2 | 2 | 1 | 10 |
092 | Expansible Chamber Devices | 1 | 0 | 3 | 3 | 2 | 9 |
415 | Rotary Kinetic Fluid Motors or Pumps | 1 | 4 | 0 | 3 | 1 | 9 |
436 | Chemistry: Analytical and Immunological Testing | 2 | 2 | 1 | 2 | 2 | 9 |
016 | Miscellaneous Hardware | 0 | 1 | 1 | 3 | 3 | 8 |
042 | Firearms | 1 | 5 | 1 | 1 | 0 | 8 |
100 | Presses | 1 | 1 | 1 | 4 | 1 | 8 |
132 | Toilet | 1 | 0 | 2 | 4 | 1 | 8 |
160 | Flexible or Portable Closure, Partition, or Panel | 0 | 0 | 3 | 3 | 2 | 8 |
315 | Electric Lamp and Discharge Devices: Systems | 2 | 1 | 2 | 2 | 1 | 8 |
425 | Plastic Article or Earthenware Shaping or Treating: Apparatus | 2 | 2 | 4 | 0 | 0 | 8 |
530 | Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof | 0 | 1 | 3 | 2 | 2 | 8 |
623 | Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor | 1 | 1 | 1 | 3 | 2 | 8 |
713 | Support (Electrical Computers and Digital Processing Systems) | 2 | 0 | 5 | 0 | 1 | 8 |
002 | Apparel | 2 | 0 | 2 | 1 | 2 | 7 |
005 | Beds | 0 | 3 | 2 | 1 | 1 | 7 |
015 | Brushing, Scrubbing, and General Cleaning | 2 | 0 | 3 | 0 | 2 | 7 |
074 | Machine Element or Mechanism | 0 | 1 | 4 | 2 | 0 | 7 |
099 | Foods and Beverages: Apparatus | 1 | 2 | 2 | 2 | 0 | 7 |
108 | Horizontally Supported Planar Surfaces | 2 | 3 | 2 | 0 | 0 | 7 |
174 | Electricity: Conductors and Insulators | 0 | 1 | 5 | 0 | 1 | 7 |
175 | Boring or Penetrating the Earth | 0 | 0 | 2 | 3 | 2 | 7 |
198 | Conveyors: Power-Driven | 1 | 1 | 2 | 2 | 1 | 7 |
292 | Closure Fasteners | 1 | 1 | 0 | 3 | 2 | 7 |
298 | Land Vehicles: Dumping | 0 | 2 | 2 | 1 | 2 | 7 |
318 | Electricity: Motive Power Systems | 1 | 1 | 2 | 1 | 2 | 7 |
365 | Static Information Storage and Retrieval | 0 | 1 | 1 | 3 | 2 | 7 |
429 | Chemistry: Electrical Current Producing Apparatus, Product, and Process | 2 | 1 | 2 | 2 | 0 | 7 |
707 | DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) | 1 | 3 | 1 | 1 | 1 | 7 |
711 | Memory (Electrical Computers and Digital Processing Systems) | 1 | 1 | 1 | 1 | 3 | 7 |
047 | Plant Husbandry | 1 | 1 | 1 | 2 | 1 | 6 |
084 | Music | 0 | 0 | 3 | 1 | 2 | 6 |
126 | Stoves and Furnaces | 2 | 1 | 1 | 1 | 1 | 6 |
177 | Weighing Scales | 0 | 0 | 2 | 4 | 0 | 6 |
188 | Brakes | 2 | 1 | 1 | 0 | 2 | 6 |
192 | Clutches and Power-Stop Control | 1 | 3 | 0 | 2 | 0 | 6 |
273 | Amusement Devices: Games | 3 | 0 | 1 | 1 | 1 | 6 |
310 | Electrical Generator or Motor Structure | 1 | 0 | 2 | 0 | 3 | 6 |
313 | Electric Lamp and Discharge Devices | 1 | 0 | 4 | 1 | 0 | 6 |
359 | Optics: Systems (Including Communication) and Elements | 0 | 0 | 1 | 4 | 1 | 6 |
405 | Hydraulic and Earth Engineering | 1 | 1 | 1 | 3 | 0 | 6 |
410 | Freight Accommodation On Freight Carrier | 0 | 2 | 2 | 0 | 2 | 6 |
427 | Coating Processes | 1 | 0 | 2 | 1 | 2 | 6 |
439 | Electrical Connectors | 1 | 0 | 2 | 0 | 3 | 6 |
446 | Amusement Devices: Toys | 1 | 1 | 0 | 2 | 2 | 6 |
602 | Surgery: Splint, Brace, or Bandage | 1 | 1 | 2 | 0 | 2 | 6 |
040 | Card, Picture, or Sign Exhibiting | 0 | 0 | 3 | 2 | 0 | 5 |
049 | Movable or Removable Closures | 0 | 1 | 0 | 3 | 1 | 5 |
053 | Package Making | 0 | 1 | 1 | 3 | 0 | 5 |
070 | Locks | 0 | 2 | 0 | 2 | 1 | 5 |
075 | Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures | 0 | 0 | 2 | 1 | 2 | 5 |
095 | Gas Separation: Processes | 0 | 1 | 1 | 3 | 0 | 5 |
141 | Fluent Material Handling, with Receiver or Receiver Coacting Means | 0 | 0 | 1 | 2 | 2 | 5 |
148 | Metal Treatment | 1 | 0 | 4 | 0 | 0 | 5 |
182 | Fire Escape, Ladder, or Scaffold | 3 | 0 | 0 | 1 | 1 | 5 |
209 | Classifying, Separating, and Assorting Solids | 1 | 2 | 1 | 1 | 0 | 5 |
212 | Traversing Hoists | 0 | 0 | 1 | 3 | 1 | 5 |
249 | Static Molds | 0 | 2 | 2 | 1 | 0 | 5 |
252 | Compositions | 0 | 3 | 0 | 0 | 2 | 5 |
307 | Electrical Transmission or Interconnection Systems | 1 | 2 | 0 | 0 | 2 | 5 |
327 | Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems | 2 | 0 | 0 | 0 | 3 | 5 |
348 | Television | 0 | 0 | 1 | 4 | 0 | 5 |
384 | Bearings | 2 | 1 | 1 | 1 | 0 | 5 |
400 | Typewriting Machines | 0 | 2 | 2 | 0 | 1 | 5 |
420 | Alloys or Metallic Compositions | 1 | 2 | 2 | 0 | 0 | 5 |
463 | Amusement Devices: Games | 1 | 0 | 2 | 1 | 1 | 5 |
504 | Plant Protecting and Regulating Compositions | 2 | 2 | 0 | 0 | 1 | 5 |
710 | Input/Output (Electrical Computers and Digital Processing Systems) | 0 | 1 | 1 | 2 | 1 | 5 |
004 | Baths, Closets, Sinks, and Spittoons | 1 | 0 | 2 | 1 | 0 | 4 |
030 | Cutlery | 0 | 1 | 1 | 1 | 1 | 4 |
072 | Metal Deforming | 0 | 1 | 1 | 1 | 1 | 4 |
083 | Cutting | 2 | 2 | 0 | 0 | 0 | 4 |
091 | Motors: Expansible Chamber Type | 1 | 1 | 0 | 2 | 0 | 4 |
102 | Ammunition and Explosives | 0 | 2 | 1 | 0 | 1 | 4 |
110 | Furnaces | 1 | 0 | 2 | 1 | 0 | 4 |
114 | Ships | 1 | 0 | 2 | 0 | 1 | 4 |
118 | Coating Apparatus | 2 | 0 | 0 | 1 | 1 | 4 |
184 | Lubrication | 0 | 1 | 0 | 1 | 2 | 4 |
218 | High-Voltage Switches with Arc Preventing or Extinguishing Devices | 3 | 1 | 0 | 0 | 0 | 4 |
242 | Winding, Tensioning, or Guiding | 0 | 0 | 1 | 1 | 2 | 4 |
246 | Railway Switches and Signals | 2 | 0 | 0 | 2 | 0 | 4 |
254 | Implements or Apparatus for Applying Pushing or Pulling Force | 3 | 0 | 0 | 1 | 0 | 4 |
269 | Work Holders | 0 | 0 | 1 | 1 | 2 | 4 |
285 | Pipe Joints or Couplings | 1 | 1 | 1 | 1 | 0 | 4 |
305 | Wheel Substitutes for Land Vehicles | 0 | 0 | 2 | 0 | 2 | 4 |
363 | Electric Power Conversion Systems | 1 | 0 | 0 | 2 | 1 | 4 |
385 | Optical Waveguides | 1 | 0 | 0 | 2 | 1 | 4 |
392 | Electric Resistance Heating Devices | 0 | 0 | 3 | 0 | 1 | 4 |
408 | Cutting by Use of Rotating Axially Moving Tool | 0 | 2 | 1 | 0 | 1 | 4 |
423 | Chemistry of Inorganic Compounds | 1 | 1 | 1 | 1 | 0 | 4 |
454 | Ventilation | 1 | 0 | 1 | 1 | 1 | 4 |
474 | Endless Belt Power Transmission Systems or Components | 0 | 1 | 2 | 0 | 1 | 4 |
502 | Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making | 0 | 0 | 1 | 2 | 1 | 4 |
024 | Buckles, Buttons, Clasps, Etc. | 1 | 0 | 2 | 0 | 0 | 3 |
044 | Fuel and Related Compositions | 3 | 0 | 0 | 0 | 0 | 3 |
071 | Chemistry: Fertilizers | 1 | 0 | 1 | 0 | 1 | 3 |
082 | Turning (e.g., for metal working) | 0 | 2 | 1 | 0 | 0 | 3 |
096 | Gas Separation: Apparatus | 1 | 0 | 1 | 0 | 1 | 3 |
124 | Mechanical Guns and Projectors | 0 | 1 | 0 | 1 | 1 | 3 |
127 | Sugar, Starch, and Carbohydrates | 2 | 0 | 0 | 1 | 0 | 3 |
135 | Tent, Canopy, Umbrella, or Cane | 0 | 1 | 2 | 0 | 0 | 3 |
138 | Pipes and Tubular Conduits | 0 | 0 | 1 | 0 | 2 | 3 |
164 | Metal Founding | 0 | 0 | 0 | 2 | 1 | 3 |
187 | Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle | 0 | 0 | 0 | 2 | 1 | 3 |
205 | Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions | 0 | 0 | 0 | 2 | 1 | 3 |
229 | Envelopes, Wrappers, and Paperboard Boxes | 1 | 1 | 1 | 0 | 0 | 3 |
266 | Metallurgical Apparatus | 0 | 1 | 0 | 0 | 2 | 3 |
277 | Seal for a Joint or Juncture | 1 | 1 | 1 | 0 | 0 | 3 |
323 | Electricity: Power Supply or Regulation Systems | 1 | 1 | 1 | 0 | 0 | 3 |
331 | Oscillators | 0 | 1 | 1 | 1 | 0 | 3 |
377 | Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems | 0 | 0 | 0 | 1 | 2 | 3 |
382 | Image Analysis | 0 | 1 | 0 | 1 | 1 | 3 |
411 | Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener | 1 | 0 | 0 | 0 | 2 | 3 |
493 | Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web | 1 | 1 | 0 | 0 | 1 | 3 |
508 | Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions | 0 | 0 | 0 | 2 | 1 | 3 |
607 | Surgery: Light, Thermal, and Electrical Application | 0 | 0 | 1 | 0 | 2 | 3 |
705 | DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) | 0 | 1 | 0 | 2 | 0 | 3 |
714 | Error Detection/Correction and Fault Detection/Recovery | 1 | 0 | 1 | 1 | 0 | 3 |
717 | DP: Software Development, Installation, and Management (Data Processing) | 0 | 0 | 0 | 0 | 3 | 3 |
001 | ** Classification Undetermined ** | 0 | 0 | 1 | 1 | 0 | 2 |
048 | Gas: Heating and Illuminating | 1 | 0 | 1 | 0 | 0 | 2 |
057 | Textiles: Spinning, Twisting, and Twining | 0 | 0 | 1 | 0 | 1 | 2 |
076 | Metal Tools and Implements, Making | 1 | 1 | 0 | 0 | 0 | 2 |
104 | Railways | 1 | 0 | 1 | 0 | 0 | 2 |
106 | Compositions: Coating or Plastic | 0 | 1 | 0 | 0 | 1 | 2 |
112 | Sewing | 0 | 0 | 0 | 0 | 2 | 2 |
116 | Signals and Indicators | 0 | 0 | 0 | 1 | 1 | 2 |
162 | Paper Making and Fiber Liberation | 0 | 0 | 0 | 1 | 1 | 2 |
165 | Heat Exchange | 0 | 1 | 1 | 0 | 0 | 2 |
166 | Wells (shafts or deep borings in the earth, e.g., for oil and gas) | 0 | 0 | 1 | 0 | 1 | 2 |
223 | Apparel Apparatus | 0 | 1 | 0 | 1 | 0 | 2 |
232 | Deposit and Collection Receptacles | 0 | 0 | 1 | 0 | 1 | 2 |
244 | Aeronautics | 0 | 0 | 0 | 0 | 2 | 2 |
256 | Fences | 1 | 0 | 0 | 0 | 1 | 2 |
257 | Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) | 0 | 0 | 1 | 1 | 0 | 2 |
283 | Printed Matter | 1 | 0 | 1 | 0 | 0 | 2 |
290 | Prime-Mover Dynamo Plants | 1 | 0 | 1 | 0 | 0 | 2 |
294 | Handling: Hand and Hoist-Line Implements | 2 | 0 | 0 | 0 | 0 | 2 |
300 | Brush, Broom, and Mop Making | 0 | 1 | 0 | 1 | 0 | 2 |
301 | Land Vehicles: Wheels and Axles | 0 | 0 | 1 | 1 | 0 | 2 |
330 | Amplifiers | 1 | 0 | 1 | 0 | 0 | 2 |
333 | Wave Transmission Lines and Networks | 0 | 0 | 0 | 1 | 1 | 2 |
341 | Coded Data Generation or Conversion | 0 | 0 | 0 | 1 | 1 | 2 |
373 | Industrial Electric Heating Furnaces | 0 | 0 | 1 | 0 | 1 | 2 |
374 | Thermal Measuring and Testing | 0 | 0 | 2 | 0 | 0 | 2 |
378 | X-Ray or Gamma Ray Systems or Devices | 1 | 0 | 0 | 0 | 1 | 2 |
381 | Electrical Audio Signal Processing Systems and Devices | 0 | 0 | 0 | 0 | 2 | 2 |
406 | Conveyors: Fluid Current | 0 | 0 | 0 | 2 | 0 | 2 |
418 | Rotary Expansible Chamber Devices | 0 | 0 | 0 | 0 | 2 | 2 |
419 | Powder Metallurgy Processes | 1 | 0 | 0 | 1 | 0 | 2 |
431 | Combustion | 0 | 0 | 0 | 2 | 0 | 2 |
433 | Dentistry | 0 | 1 | 1 | 0 | 0 | 2 |
438 | Semiconductor Device Manufacturing: Process | 0 | 1 | 0 | 0 | 1 | 2 |
464 | Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts | 0 | 0 | 1 | 0 | 1 | 2 |
477 | Interrelated Power Delivery Controls, Including Engine Control | 0 | 0 | 0 | 0 | 2 | 2 |
704 | DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) | 0 | 0 | 0 | 1 | 1 | 2 |
712 | Processing Architectures and Instruction Processing, e.g., Processors (Electrical Computers and Digital Processing Systems) | 0 | 1 | 0 | 1 | 0 | 2 |
007 | Compound Hand Tools | 0 | 0 | 1 | 0 | 0 | 1 |
051 | Abrasive Tool Making Process, Material, or Composition | 0 | 0 | 0 | 0 | 1 | 1 |
059 | Chain, Staple, and Horseshoe Making | 0 | 0 | 0 | 1 | 0 | 1 |
065 | Glass Manufacturing | 0 | 0 | 1 | 0 | 0 | 1 |
089 | Ordnance | 0 | 1 | 0 | 0 | 0 | 1 |
101 | Printing | 0 | 0 | 0 | 1 | 0 | 1 |
122 | Liquid Heaters and Vaporizers | 0 | 0 | 0 | 0 | 1 | 1 |
157 | Wheelwright Machines | 0 | 0 | 0 | 0 | 1 | 1 |
169 | Fire Extinguishers | 1 | 0 | 0 | 0 | 0 | 1 |
178 | Telegraphy | 1 | 0 | 0 | 0 | 0 | 1 |
215 | Bottles and Jars | 0 | 0 | 0 | 0 | 1 | 1 |
227 | Elongated-Member-Driving Apparatus | 0 | 0 | 1 | 0 | 0 | 1 |
228 | Metal Fusion Bonding | 0 | 0 | 0 | 1 | 0 | 1 |
236 | Automatic Temperature and Humidity Regulation | 0 | 0 | 1 | 0 | 0 | 1 |
237 | Heating Systems | 0 | 0 | 1 | 0 | 0 | 1 |
261 | Gas and Liquid Contact Apparatus | 0 | 0 | 1 | 0 | 0 | 1 |
270 | Sheet-Material Associating | 1 | 0 | 0 | 0 | 0 | 1 |
293 | Vehicle Fenders | 0 | 1 | 0 | 0 | 0 | 1 |
299 | Mining or In Situ Disintegration of Hard Material | 0 | 1 | 0 | 0 | 0 | 1 |
329 | Demodulators | 0 | 0 | 0 | 1 | 0 | 1 |
332 | Modulators | 0 | 0 | 0 | 1 | 0 | 1 |
353 | Optics: Image Projectors | 0 | 0 | 0 | 0 | 1 | 1 |
367 | Communications, Electrical: Acoustic Wave Systems and Devices | 0 | 1 | 0 | 0 | 0 | 1 |
368 | Horology: Time Measuring Systems or Devices | 0 | 0 | 1 | 0 | 0 | 1 |
369 | Dynamic Information Storage or Retrieval | 0 | 0 | 0 | 1 | 0 | 1 |
380 | Cryptography | 0 | 0 | 0 | 1 | 0 | 1 |
383 | Flexible Bags | 0 | 0 | 0 | 1 | 0 | 1 |
396 | Photography | 0 | 0 | 1 | 0 | 0 | 1 |
401 | Coating Implements with Material Supply | 0 | 0 | 0 | 1 | 0 | 1 |
409 | Gear Cutting, Milling, or Planing | 0 | 0 | 0 | 0 | 1 | 1 |
432 | Heating | 0 | 0 | 0 | 1 | 0 | 1 |
442 | Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) | 0 | 1 | 0 | 0 | 0 | 1 |
445 | Electric Lamp or Space Discharge Component or Device Manufacturing | 0 | 0 | 0 | 0 | 1 | 1 |
453 | Coin Handling | 0 | 0 | 0 | 0 | 1 | 1 |
472 | Amusement Devices | 0 | 0 | 1 | 0 | 0 | 1 |
501 | Compositions: Ceramic | 0 | 0 | 0 | 1 | 0 | 1 |
585 | Chemistry of Hydrocarbon Compounds | 0 | 0 | 0 | 1 | 0 | 1 |
703 | DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) | 0 | 0 | 0 | 0 | 1 | 1 |
708 | Arithmetic Processing and Calculating (Electrical Computers) | 0 | 0 | 0 | 0 | 1 | 1 |
725 | Interactive Video Distribution Systems | 0 | 1 | 0 | 0 | 0 | 1 |
ALL | ALL CLASSES | 432 | 398 | 645 | 745 | 589 | 2809 |
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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