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 | 3 | 4 | 1 | 8 | 18 |
152 | Resilient Tires and Wheels | 2 | 1 | 2 | 1 | 10 | 16 |
266 | Metallurgical Apparatus | 4 | 0 | 1 | 2 | 1 | 8 |
137 | Fluid Handling | 1 | 2 | 1 | 1 | 1 | 6 |
425 | Plastic Article or Earthenware Shaping or Treating: Apparatus | 0 | 4 | 1 | 1 | 0 | 6 |
251 | Valves and Valve Actuation | 0 | 0 | 0 | 2 | 2 | 4 |
264 | Plastic and Nonmetallic Article Shaping or Treating: Processes | 0 | 1 | 1 | 1 | 1 | 4 |
280 | Land Vehicles | 0 | 2 | 1 | 0 | 1 | 4 |
428 | Stock Material or Miscellaneous Articles | 0 | 1 | 1 | 2 | 0 | 4 |
072 | Metal Deforming | 0 | 2 | 0 | 0 | 1 | 3 |
148 | Metal Treatment | 0 | 1 | 1 | 1 | 0 | 3 |
164 | Metal Founding | 0 | 1 | 1 | 0 | 1 | 3 |
405 | Hydraulic and Earth Engineering | 2 | 0 | 0 | 0 | 1 | 3 |
123 | Internal-Combustion Engines | 0 | 1 | 0 | 1 | 0 | 2 |
156 | Adhesive Bonding and Miscellaneous Chemical Manufacture | 0 | 0 | 0 | 0 | 2 | 2 |
220 | Receptacles | 1 | 0 | 0 | 1 | 0 | 2 |
705 | DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) | 0 | 0 | 1 | 0 | 1 | 2 |
001 | ** Classification Undetermined ** | 0 | 0 | 1 | 0 | 0 | 1 |
036 | Boots, Shoes, and Leggings | 0 | 0 | 0 | 0 | 1 | 1 |
052 | Static Structures (e.g., Buildings) | 0 | 0 | 0 | 0 | 1 | 1 |
053 | Package Making | 0 | 0 | 0 | 1 | 0 | 1 |
062 | Refrigeration | 0 | 0 | 0 | 0 | 1 | 1 |
063 | Jewelry | 1 | 0 | 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 |
106 | Compositions: Coating or Plastic | 0 | 0 | 0 | 0 | 1 | 1 |
110 | Furnaces | 1 | 0 | 0 | 0 | 0 | 1 |
125 | Stone Working | 0 | 0 | 0 | 1 | 0 | 1 |
141 | Fluent Material Handling, with Receiver or Receiver Coacting Means | 1 | 0 | 0 | 0 | 0 | 1 |
169 | Fire Extinguishers | 0 | 0 | 0 | 1 | 0 | 1 |
182 | Fire Escape, Ladder, or Scaffold | 0 | 0 | 0 | 0 | 1 | 1 |
198 | Conveyors: Power-Driven | 0 | 0 | 1 | 0 | 0 | 1 |
219 | Electric Heating | 0 | 0 | 0 | 0 | 1 | 1 |
222 | Dispensing (apparatus and process) | 0 | 0 | 0 | 0 | 1 | 1 |
239 | Fluid Sprinkling, Spraying, and Diffusing | 0 | 1 | 0 | 0 | 0 | 1 |
242 | Winding, Tensioning, or Guiding | 0 | 0 | 0 | 1 | 0 | 1 |
277 | Seal for a Joint or Juncture | 0 | 1 | 0 | 0 | 0 | 1 |
369 | Dynamic Information Storage or Retrieval | 0 | 0 | 0 | 1 | 0 | 1 |
373 | Industrial Electric Heating Furnaces | 0 | 0 | 1 | 0 | 0 | 1 |
384 | Bearings | 0 | 0 | 1 | 0 | 0 | 1 |
406 | Conveyors: Fluid Current | 1 | 0 | 0 | 0 | 0 | 1 |
408 | Cutting by Use of Rotating Axially Moving Tool | 0 | 1 | 0 | 0 | 0 | 1 |
417 | Pumps | 0 | 0 | 0 | 1 | 0 | 1 |
422 | Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing | 1 | 0 | 0 | 0 | 0 | 1 |
432 | Heating | 0 | 0 | 1 | 0 | 0 | 1 |
435 | Chemistry: Molecular Biology and Microbiology | 0 | 0 | 0 | 0 | 1 | 1 |
439 | Electrical Connectors | 0 | 0 | 0 | 1 | 0 | 1 |
446 | Amusement Devices: Toys | 0 | 0 | 0 | 0 | 1 | 1 |
532 | Organic Compounds (includes Classes 532-570) | 0 | 0 | 0 | 1 | 0 | 1 |
604 | Surgery (Medicators and Receptors) | 0 | 0 | 0 | 0 | 1 | 1 |
ALL | ALL CLASSES | 18 | 22 | 20 | 22 | 40 | 122 |
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/