U.S. PATENT AND TRADEMARK OFFICE Information Products Division Technology Assessment and Forecast (TAF) Branch |
Class | Class Title | 1996 | 1997 | 1998 | 1999 | 2000 | Total |
424 | Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) | 3 | 3 | 2 | 2 | 5 | 15 |
435 | Chemistry: Molecular Biology and Microbiology | 0 | 4 | 1 | 2 | 3 | 10 |
052 | Static Structures (e.g., Buildings) | 2 | 2 | 2 | 2 | 1 | 9 |
065 | Glass Manufacturing | 0 | 5 | 2 | 2 | 0 | 9 |
510 | Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions | 0 | 0 | 1 | 4 | 3 | 8 |
532 | Organic Compounds (includes Classes 532-570) | 2 | 0 | 2 | 3 | 0 | 7 |
206 | Special Receptacle or Package | 0 | 1 | 0 | 4 | 1 | 6 |
426 | Food or Edible Material: Processes, Compositions, and Products | 3 | 1 | 0 | 2 | 0 | 6 |
428 | Stock Material or Miscellaneous Articles | 0 | 0 | 2 | 1 | 3 | 6 |
062 | Refrigeration | 1 | 2 | 0 | 0 | 2 | 5 |
106 | Compositions: Coating or Plastic | 0 | 1 | 0 | 1 | 3 | 5 |
123 | Internal-Combustion Engines | 1 | 0 | 2 | 1 | 1 | 5 |
128 | Surgery (includes Class 600) | 0 | 0 | 2 | 2 | 1 | 5 |
137 | Fluid Handling | 0 | 0 | 1 | 2 | 2 | 5 |
164 | Metal Founding | 0 | 1 | 1 | 2 | 1 | 5 |
222 | Dispensing (apparatus and process) | 1 | 0 | 1 | 2 | 1 | 5 |
423 | Chemistry of Inorganic Compounds | 0 | 0 | 2 | 1 | 2 | 5 |
427 | Coating Processes | 1 | 0 | 2 | 2 | 0 | 5 |
015 | Brushing, Scrubbing, and General Cleaning | 0 | 1 | 2 | 1 | 0 | 4 |
075 | Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures | 0 | 1 | 0 | 1 | 2 | 4 |
162 | Paper Making and Fiber Liberation | 0 | 0 | 3 | 1 | 0 | 4 |
266 | Metallurgical Apparatus | 1 | 0 | 1 | 1 | 1 | 4 |
520 | Synthetic Resins or Natural Rubbers (includes Classes 520-528) | 0 | 0 | 1 | 2 | 1 | 4 |
004 | Baths, Closets, Sinks, and Spittoons | 1 | 0 | 1 | 0 | 1 | 3 |
072 | Metal Deforming | 0 | 1 | 0 | 2 | 0 | 3 |
210 | Liquid Purification or Separation | 1 | 1 | 0 | 0 | 1 | 3 |
242 | Winding, Tensioning, or Guiding | 0 | 1 | 0 | 0 | 2 | 3 |
297 | Chairs and Seats | 0 | 2 | 0 | 1 | 0 | 3 |
312 | Supports: Cabinet Structure | 0 | 1 | 0 | 1 | 1 | 3 |
318 | Electricity: Motive Power Systems | 1 | 0 | 1 | 0 | 1 | 3 |
322 | Electricity: Single Generator Systems | 0 | 1 | 2 | 0 | 0 | 3 |
501 | Compositions: Ceramic | 0 | 0 | 0 | 1 | 2 | 3 |
604 | Surgery (Medicators and Receptors) | 0 | 0 | 2 | 0 | 1 | 3 |
606 | Surgery (instruments) | 0 | 0 | 2 | 0 | 1 | 3 |
029 | Metal Working | 0 | 0 | 1 | 0 | 1 | 2 |
034 | Drying and Gas or Vapor Contact with Solids | 0 | 0 | 1 | 1 | 0 | 2 |
043 | Fishing, Trapping, and Vermin Destroying | 0 | 1 | 0 | 1 | 0 | 2 |
074 | Machine Element or Mechanism | 1 | 0 | 0 | 0 | 1 | 2 |
099 | Foods and Beverages: Apparatus | 2 | 0 | 0 | 0 | 0 | 2 |
124 | Mechanical Guns and Projectors | 0 | 1 | 1 | 0 | 0 | 2 |
131 | Tobacco | 0 | 0 | 1 | 0 | 1 | 2 |
138 | Pipes and Tubular Conduits | 0 | 0 | 1 | 1 | 0 | 2 |
172 | Earth Working | 0 | 0 | 2 | 0 | 0 | 2 |
215 | Bottles and Jars | 0 | 0 | 0 | 0 | 2 | 2 |
229 | Envelopes, Wrappers, and Paperboard Boxes | 1 | 1 | 0 | 0 | 0 | 2 |
246 | Railway Switches and Signals | 0 | 0 | 1 | 0 | 1 | 2 |
261 | Gas and Liquid Contact Apparatus | 2 | 0 | 0 | 0 | 0 | 2 |
280 | Land Vehicles | 1 | 1 | 0 | 0 | 0 | 2 |
345 | Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems | 0 | 0 | 0 | 0 | 2 | 2 |
366 | Agitating (e.g., of articles and materials) | 0 | 0 | 1 | 1 | 0 | 2 |
399 | Electrophotography | 0 | 1 | 0 | 0 | 1 | 2 |
414 | Material or Article Handling | 0 | 1 | 1 | 0 | 0 | 2 |
415 | Rotary Kinetic Fluid Motors or Pumps | 2 | 0 | 0 | 0 | 0 | 2 |
431 | Combustion | 0 | 0 | 1 | 0 | 1 | 2 |
454 | Ventilation | 0 | 0 | 0 | 0 | 2 | 2 |
455 | Telecommunications | 0 | 0 | 0 | 0 | 2 | 2 |
482 | Exercise Devices | 0 | 0 | 0 | 0 | 2 | 2 |
502 | Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making | 1 | 0 | 0 | 1 | 0 | 2 |
014 | Bridges | 0 | 0 | 0 | 1 | 0 | 1 |
023 | Chemistry: Physical Processes | 0 | 0 | 0 | 1 | 0 | 1 |
030 | Cutlery | 0 | 0 | 1 | 0 | 0 | 1 |
036 | Boots, Shoes, and Leggings | 0 | 1 | 0 | 0 | 0 | 1 |
040 | Card, Picture, or Sign Exhibiting | 0 | 0 | 0 | 1 | 0 | 1 |
042 | Firearms | 0 | 0 | 0 | 1 | 0 | 1 |
060 | Power Plants | 0 | 0 | 0 | 1 | 0 | 1 |
068 | Textiles: Fluid Treating Apparatus | 0 | 0 | 0 | 1 | 0 | 1 |
082 | Turning (e.g., for metal working) | 1 | 0 | 0 | 0 | 0 | 1 |
101 | Printing | 0 | 0 | 0 | 0 | 1 | 1 |
112 | Sewing | 0 | 0 | 1 | 0 | 0 | 1 |
127 | Sugar, Starch, and Carbohydrates | 0 | 0 | 1 | 0 | 0 | 1 |
141 | Fluent Material Handling, with Receiver or Receiver Coacting Means | 0 | 0 | 0 | 1 | 0 | 1 |
148 | Metal Treatment | 0 | 0 | 0 | 1 | 0 | 1 |
156 | Adhesive Bonding and Miscellaneous Chemical Manufacture | 0 | 0 | 0 | 0 | 1 | 1 |
174 | Electricity: Conductors and Insulators | 0 | 0 | 0 | 1 | 0 | 1 |
180 | Motor Vehicles | 0 | 0 | 0 | 0 | 1 | 1 |
182 | Fire Escape, Ladder, or Scaffold | 0 | 0 | 0 | 0 | 1 | 1 |
184 | Lubrication | 0 | 0 | 1 | 0 | 0 | 1 |
209 | Classifying, Separating, and Assorting Solids | 0 | 0 | 0 | 1 | 0 | 1 |
219 | Electric Heating | 0 | 0 | 0 | 1 | 0 | 1 |
220 | Receptacles | 0 | 1 | 0 | 0 | 0 | 1 |
221 | Article Dispensing | 1 | 0 | 0 | 0 | 0 | 1 |
223 | Apparel Apparatus | 0 | 0 | 0 | 0 | 1 | 1 |
224 | Package and Article Carriers | 0 | 0 | 0 | 0 | 1 | 1 |
225 | Severing by Tearing or Breaking | 0 | 0 | 0 | 0 | 1 | 1 |
235 | Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) | 0 | 0 | 0 | 0 | 1 | 1 |
236 | Automatic Temperature and Humidity Regulation | 1 | 0 | 0 | 0 | 0 | 1 |
241 | Solid Material Comminution or Disintegration | 1 | 0 | 0 | 0 | 0 | 1 |
244 | Aeronautics | 0 | 0 | 0 | 0 | 1 | 1 |
248 | Supports (e.g., for holding articles, etc.) | 0 | 0 | 0 | 0 | 1 | 1 |
250 | Radiant Energy | 0 | 0 | 0 | 1 | 0 | 1 |
251 | Valves and Valve Actuation | 0 | 0 | 0 | 1 | 0 | 1 |
254 | Implements or Apparatus for Applying Pushing or Pulling Force | 0 | 1 | 0 | 0 | 0 | 1 |
264 | Plastic and Nonmetallic Article Shaping or Treating: Processes | 0 | 0 | 0 | 1 | 0 | 1 |
271 | Sheet Feeding or Delivering | 0 | 1 | 0 | 0 | 0 | 1 |
273 | Amusement Devices: Games | 0 | 0 | 0 | 1 | 0 | 1 |
294 | Handling: Hand and Hoist-Line Implements | 0 | 1 | 0 | 0 | 0 | 1 |
303 | Fluid-Pressure and Analogous Brake Systems | 0 | 0 | 0 | 0 | 1 | 1 |
315 | Electric Lamp and Discharge Devices: Systems | 0 | 0 | 0 | 0 | 1 | 1 |
324 | Electricity: Measuring and Testing | 1 | 0 | 0 | 0 | 0 | 1 |
335 | Electricity: Magnetically Operated Switches, Magnets, and Electromagnets | 0 | 1 | 0 | 0 | 0 | 1 |
343 | Communications: Radio Wave Antennas | 0 | 0 | 0 | 0 | 1 | 1 |
355 | Photocopying | 0 | 1 | 0 | 0 | 0 | 1 |
356 | Optics: Measuring and Testing | 0 | 0 | 0 | 1 | 0 | 1 |
359 | Optics: Systems (Including Communication) and Elements | 1 | 0 | 0 | 0 | 0 | 1 |
362 | Illumination | 0 | 0 | 0 | 0 | 1 | 1 |
369 | Dynamic Information Storage or Retrieval | 0 | 0 | 0 | 1 | 0 | 1 |
379 | Telephonic Communications | 0 | 0 | 0 | 1 | 0 | 1 |
381 | Electrical Audio Signal Processing Systems and Devices | 0 | 0 | 0 | 1 | 0 | 1 |
382 | Image Analysis | 0 | 0 | 0 | 1 | 0 | 1 |
385 | Optical Waveguides | 0 | 0 | 0 | 1 | 0 | 1 |
405 | Hydraulic and Earth Engineering | 0 | 0 | 1 | 0 | 0 | 1 |
408 | Cutting by Use of Rotating Axially Moving Tool | 0 | 0 | 0 | 1 | 0 | 1 |
411 | Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener | 0 | 0 | 0 | 1 | 0 | 1 |
417 | Pumps | 1 | 0 | 0 | 0 | 0 | 1 |
425 | Plastic Article or Earthenware Shaping or Treating: Apparatus | 1 | 0 | 0 | 0 | 0 | 1 |
432 | Heating | 0 | 0 | 0 | 0 | 1 | 1 |
434 | Education and Demonstration | 0 | 0 | 0 | 0 | 1 | 1 |
438 | Semiconductor Device Manufacturing: Process | 1 | 0 | 0 | 0 | 0 | 1 |
439 | Electrical Connectors | 0 | 0 | 1 | 0 | 0 | 1 |
446 | Amusement Devices: Toys | 0 | 1 | 0 | 0 | 0 | 1 |
463 | Amusement Devices: Games | 0 | 0 | 0 | 1 | 0 | 1 |
504 | Plant Protecting and Regulating Compositions | 1 | 0 | 0 | 0 | 0 | 1 |
505 | Superconductor Technology: Apparatus, Material, Process | 1 | 0 | 0 | 0 | 0 | 1 |
508 | Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions | 0 | 1 | 0 | 0 | 0 | 1 |
602 | Surgery: Splint, Brace, or Bandage | 0 | 1 | 0 | 0 | 0 | 1 |
607 | Surgery: Light, Thermal, and Electrical Application | 0 | 0 | 0 | 0 | 1 | 1 |
701 | DP: Vehicles, Navigation, and Relative Location (Data Processing) | 0 | 0 | 1 | 0 | 0 | 1 |
704 | DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) | 0 | 0 | 0 | 1 | 0 | 1 |
800 | Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes | 0 | 0 | 1 | 0 | 0 | 1 |
ALL | ALL CLASSES | 39 | 45 | 57 | 76 | 76 | 293 |
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/