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) | 2 | 0 | 1 | 1 | 0 | 4 |
205 | Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions | 1 | 0 | 1 | 0 | 0 | 2 |
210 | Liquid Purification or Separation | 1 | 0 | 1 | 0 | 0 | 2 |
315 | Electric Lamp and Discharge Devices: Systems | 1 | 1 | 0 | 0 | 0 | 2 |
423 | Chemistry of Inorganic Compounds | 1 | 1 | 0 | 0 | 0 | 2 |
427 | Coating Processes | 1 | 0 | 1 | 0 | 0 | 2 |
062 | Refrigeration | 0 | 1 | 0 | 0 | 0 | 1 |
075 | Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures | 1 | 0 | 0 | 0 | 0 | 1 |
128 | Surgery (includes Class 600) | 1 | 0 | 0 | 0 | 0 | 1 |
209 | Classifying, Separating, and Assorting Solids | 1 | 0 | 0 | 0 | 0 | 1 |
219 | Electric Heating | 1 | 0 | 0 | 0 | 0 | 1 |
250 | Radiant Energy | 1 | 0 | 0 | 0 | 0 | 1 |
252 | Compositions | 0 | 0 | 1 | 0 | 0 | 1 |
264 | Plastic and Nonmetallic Article Shaping or Treating: Processes | 1 | 0 | 0 | 0 | 0 | 1 |
345 | Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems | 0 | 0 | 0 | 1 | 0 | 1 |
359 | Optics: Systems (Including Communication) and Elements | 0 | 0 | 1 | 0 | 0 | 1 |
425 | Plastic Article or Earthenware Shaping or Treating: Apparatus | 1 | 0 | 0 | 0 | 0 | 1 |
435 | Chemistry: Molecular Biology and Microbiology | 0 | 0 | 0 | 1 | 0 | 1 |
436 | Chemistry: Analytical and Immunological Testing | 0 | 1 | 0 | 0 | 0 | 1 |
520 | Synthetic Resins or Natural Rubbers (includes Classes 520-528) | 1 | 0 | 0 | 0 | 0 | 1 |
532 | Organic Compounds (includes Classes 532-570) | 1 | 0 | 0 | 0 | 0 | 1 |
708 | Arithmetic Processing and Calculating (Electrical Computers) | 0 | 0 | 0 | 0 | 1 | 1 |
ALL | ALL CLASSES | 16 | 4 | 6 | 3 | 1 | 30 |
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/