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 | 2 | 3 | 4 | 1 | 10 |
532 | Organic Compounds (includes Classes 532-570) | 2 | 2 | 0 | 5 | 1 | 10 |
073 | Measuring and Testing | 2 | 0 | 1 | 0 | 1 | 4 |
520 | Synthetic Resins or Natural Rubbers (includes Classes 520-528) | 1 | 0 | 2 | 1 | 0 | 4 |
044 | Fuel and Related Compositions | 0 | 0 | 1 | 0 | 1 | 2 |
099 | Foods and Beverages: Apparatus | 0 | 0 | 1 | 1 | 0 | 2 |
219 | Electric Heating | 0 | 0 | 1 | 1 | 0 | 2 |
252 | Compositions | 0 | 2 | 0 | 0 | 0 | 2 |
264 | Plastic and Nonmetallic Article Shaping or Treating: Processes | 0 | 1 | 0 | 0 | 1 | 2 |
351 | Optics: Eye Examining, Vision Testing and Correcting | 0 | 0 | 0 | 0 | 2 | 2 |
356 | Optics: Measuring and Testing | 0 | 0 | 1 | 1 | 0 | 2 |
428 | Stock Material or Miscellaneous Articles | 1 | 0 | 0 | 0 | 1 | 2 |
015 | Brushing, Scrubbing, and General Cleaning | 0 | 0 | 0 | 1 | 0 | 1 |
016 | Miscellaneous Hardware | 0 | 1 | 0 | 0 | 0 | 1 |
029 | Metal Working | 0 | 0 | 0 | 0 | 1 | 1 |
030 | Cutlery | 0 | 0 | 0 | 1 | 0 | 1 |
038 | Textiles: Ironing or Smoothing | 1 | 0 | 0 | 0 | 0 | 1 |
057 | Textiles: Spinning, Twisting, and Twining | 0 | 0 | 1 | 0 | 0 | 1 |
072 | Metal Deforming | 0 | 0 | 1 | 0 | 0 | 1 |
101 | Printing | 0 | 0 | 0 | 0 | 1 | 1 |
112 | Sewing | 0 | 1 | 0 | 0 | 0 | 1 |
117 | Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor | 0 | 1 | 0 | 0 | 0 | 1 |
134 | Cleaning and Liquid Contact with Solids | 0 | 0 | 0 | 0 | 1 | 1 |
137 | Fluid Handling | 0 | 0 | 1 | 0 | 0 | 1 |
188 | Brakes | 1 | 0 | 0 | 0 | 0 | 1 |
204 | Chemistry: Electrical and Wave Energy | 0 | 0 | 0 | 0 | 1 | 1 |
206 | Special Receptacle or Package | 0 | 0 | 0 | 1 | 0 | 1 |
210 | Liquid Purification or Separation | 0 | 0 | 1 | 0 | 0 | 1 |
213 | Railway Draft Appliances | 1 | 0 | 0 | 0 | 0 | 1 |
285 | Pipe Joints or Couplings | 1 | 0 | 0 | 0 | 0 | 1 |
297 | Chairs and Seats | 1 | 0 | 0 | 0 | 0 | 1 |
299 | Mining or In Situ Disintegration of Hard Material | 0 | 0 | 0 | 1 | 0 | 1 |
324 | Electricity: Measuring and Testing | 1 | 0 | 0 | 0 | 0 | 1 |
367 | Communications, Electrical: Acoustic Wave Systems and Devices | 0 | 0 | 1 | 0 | 0 | 1 |
375 | Pulse or Digital Communications | 0 | 0 | 0 | 0 | 1 | 1 |
405 | Hydraulic and Earth Engineering | 0 | 1 | 0 | 0 | 0 | 1 |
435 | Chemistry: Molecular Biology and Microbiology | 1 | 0 | 0 | 0 | 0 | 1 |
502 | Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making | 1 | 0 | 0 | 0 | 0 | 1 |
604 | Surgery (Medicators and Receptors) | 0 | 0 | 0 | 1 | 0 | 1 |
623 | Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor | 0 | 0 | 0 | 1 | 0 | 1 |
702 | DP: Measuring, Calibrating, or Testing (Data Processing) | 1 | 0 | 0 | 0 | 0 | 1 |
ALL | ALL CLASSES | 15 | 11 | 15 | 19 | 13 | 73 |
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/