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) | 0 | 3 | 1 | 2 | 2 | 8 |
057 | Textiles: Spinning, Twisting, and Twining | 1 | 1 | 2 | 0 | 0 | 4 |
323 | Electricity: Power Supply or Regulation Systems | 0 | 1 | 1 | 1 | 1 | 4 |
210 | Liquid Purification or Separation | 1 | 0 | 1 | 0 | 1 | 3 |
532 | Organic Compounds (includes Classes 532-570) | 1 | 0 | 0 | 0 | 1 | 2 |
029 | Metal Working | 1 | 0 | 0 | 0 | 0 | 1 |
109 | Safes, Bank Protection, or a Related Device | 0 | 0 | 0 | 1 | 0 | 1 |
125 | Stone Working | 0 | 0 | 0 | 0 | 1 | 1 |
126 | Stoves and Furnaces | 0 | 0 | 0 | 0 | 1 | 1 |
139 | Textiles: Weaving | 0 | 1 | 0 | 0 | 0 | 1 |
148 | Metal Treatment | 0 | 0 | 0 | 1 | 0 | 1 |
156 | Adhesive Bonding and Miscellaneous Chemical Manufacture | 1 | 0 | 0 | 0 | 0 | 1 |
180 | Motor Vehicles | 0 | 0 | 0 | 0 | 1 | 1 |
280 | Land Vehicles | 0 | 0 | 1 | 0 | 0 | 1 |
307 | Electrical Transmission or Interconnection Systems | 0 | 1 | 0 | 0 | 0 | 1 |
310 | Electrical Generator or Motor Structure | 1 | 0 | 0 | 0 | 0 | 1 |
318 | Electricity: Motive Power Systems | 0 | 0 | 1 | 0 | 0 | 1 |
327 | Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems | 0 | 1 | 0 | 0 | 0 | 1 |
362 | Illumination | 0 | 1 | 0 | 0 | 0 | 1 |
428 | Stock Material or Miscellaneous Articles | 0 | 0 | 0 | 0 | 1 | 1 |
502 | Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making | 0 | 0 | 1 | 0 | 0 | 1 |
520 | Synthetic Resins or Natural Rubbers (includes Classes 520-528) | 0 | 0 | 1 | 0 | 0 | 1 |
530 | Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof | 1 | 0 | 0 | 0 | 0 | 1 |
606 | Surgery (instruments) | 1 | 0 | 0 | 0 | 0 | 1 |
ALL | ALL CLASSES | 8 | 9 | 9 | 5 | 9 | 40 |
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/