U.S. PATENT AND TRADEMARK OFFICE Information Products Division Technology Assessment and Forecast (TAF) Branch |
Class | Class Title | 1996 | 1997 | 1998 | 1999 | 2000 | Total |
520 | Synthetic Resins or Natural Rubbers (includes Classes 520-528) | 2 | 0 | 1 | 5 | 2 | 10 |
433 | Dentistry | 0 | 1 | 3 | 0 | 3 | 7 |
532 | Organic Compounds (includes Classes 532-570) | 0 | 1 | 1 | 2 | 2 | 6 |
173 | Tool Driving or Impacting | 0 | 0 | 0 | 0 | 3 | 3 |
227 | Elongated-Member-Driving Apparatus | 0 | 0 | 0 | 3 | 0 | 3 |
359 | Optics: Systems (Including Communication) and Elements | 1 | 0 | 1 | 0 | 1 | 3 |
428 | Stock Material or Miscellaneous Articles | 3 | 0 | 0 | 0 | 0 | 3 |
029 | Metal Working | 0 | 1 | 1 | 0 | 0 | 2 |
072 | Metal Deforming | 1 | 1 | 0 | 0 | 0 | 2 |
073 | Measuring and Testing | 0 | 1 | 0 | 0 | 1 | 2 |
106 | Compositions: Coating or Plastic | 0 | 1 | 0 | 1 | 0 | 2 |
165 | Heat Exchange | 0 | 1 | 0 | 0 | 1 | 2 |
210 | Liquid Purification or Separation | 0 | 0 | 1 | 1 | 0 | 2 |
312 | Supports: Cabinet Structure | 1 | 0 | 1 | 0 | 0 | 2 |
411 | Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener | 0 | 0 | 1 | 0 | 1 | 2 |
042 | Firearms | 0 | 1 | 0 | 0 | 0 | 1 |
076 | Metal Tools and Implements, Making | 1 | 0 | 0 | 0 | 0 | 1 |
125 | Stone Working | 0 | 0 | 1 | 0 | 0 | 1 |
128 | Surgery (includes Class 600) | 1 | 0 | 0 | 0 | 0 | 1 |
175 | Boring or Penetrating the Earth | 1 | 0 | 0 | 0 | 0 | 1 |
188 | Brakes | 0 | 0 | 0 | 0 | 1 | 1 |
204 | Chemistry: Electrical and Wave Energy | 1 | 0 | 0 | 0 | 0 | 1 |
244 | Aeronautics | 0 | 0 | 1 | 0 | 0 | 1 |
270 | Sheet-Material Associating | 0 | 0 | 1 | 0 | 0 | 1 |
280 | Land Vehicles | 0 | 1 | 0 | 0 | 0 | 1 |
313 | Electric Lamp and Discharge Devices | 0 | 0 | 1 | 0 | 0 | 1 |
324 | Electricity: Measuring and Testing | 0 | 0 | 0 | 1 | 0 | 1 |
403 | Joints and Connections | 0 | 0 | 0 | 0 | 1 | 1 |
405 | Hydraulic and Earth Engineering | 0 | 0 | 1 | 0 | 0 | 1 |
425 | Plastic Article or Earthenware Shaping or Treating: Apparatus | 0 | 0 | 0 | 1 | 0 | 1 |
432 | Heating | 0 | 0 | 0 | 1 | 0 | 1 |
464 | Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts | 0 | 1 | 0 | 0 | 0 | 1 |
501 | Compositions: Ceramic | 0 | 1 | 0 | 0 | 0 | 1 |
604 | Surgery (Medicators and Receptors) | 0 | 0 | 0 | 0 | 1 | 1 |
702 | DP: Measuring, Calibrating, or Testing (Data Processing) | 0 | 0 | 1 | 0 | 0 | 1 |
ALL | ALL CLASSES | 12 | 11 | 16 | 15 | 17 | 71 |
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/