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) | 20 | 7 | 14 | 7 | 11 | 59 |
532 | Organic Compounds (includes Classes 532-570) | 6 | 2 | 3 | 1 | 4 | 16 |
313 | Electric Lamp and Discharge Devices | 0 | 1 | 3 | 4 | 2 | 10 |
128 | Surgery (includes Class 600) | 1 | 2 | 1 | 2 | 0 | 6 |
435 | Chemistry: Molecular Biology and Microbiology | 1 | 0 | 2 | 1 | 2 | 6 |
501 | Compositions: Ceramic | 0 | 0 | 2 | 3 | 0 | 5 |
606 | Surgery (instruments) | 2 | 1 | 1 | 1 | 0 | 5 |
210 | Liquid Purification or Separation | 2 | 0 | 1 | 1 | 0 | 4 |
362 | Illumination | 0 | 1 | 2 | 0 | 1 | 4 |
439 | Electrical Connectors | 0 | 0 | 2 | 1 | 1 | 4 |
800 | Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes | 1 | 0 | 3 | 0 | 0 | 4 |
073 | Measuring and Testing | 0 | 2 | 0 | 1 | 0 | 3 |
056 | Harvesters | 2 | 0 | 0 | 0 | 0 | 2 |
060 | Power Plants | 0 | 0 | 0 | 1 | 1 | 2 |
116 | Signals and Indicators | 0 | 1 | 0 | 1 | 0 | 2 |
137 | Fluid Handling | 0 | 0 | 0 | 0 | 2 | 2 |
208 | Mineral Oils: Processes and Products | 0 | 0 | 1 | 0 | 1 | 2 |
280 | Land Vehicles | 0 | 0 | 1 | 1 | 0 | 2 |
315 | Electric Lamp and Discharge Devices: Systems | 0 | 1 | 0 | 0 | 1 | 2 |
345 | Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems | 0 | 1 | 1 | 0 | 0 | 2 |
351 | Optics: Eye Examining, Vision Testing and Correcting | 0 | 0 | 2 | 0 | 0 | 2 |
356 | Optics: Measuring and Testing | 0 | 0 | 2 | 0 | 0 | 2 |
370 | Multiplex Communications | 0 | 0 | 1 | 1 | 0 | 2 |
475 | Planetary Gear Transmission Systems or Components | 0 | 0 | 0 | 1 | 1 | 2 |
005 | Beds | 0 | 0 | 1 | 0 | 0 | 1 |
024 | Buckles, Buttons, Clasps, Etc. | 0 | 1 | 0 | 0 | 0 | 1 |
033 | Geometrical Instruments | 0 | 0 | 0 | 1 | 0 | 1 |
034 | Drying and Gas or Vapor Contact with Solids | 0 | 0 | 0 | 0 | 1 | 1 |
040 | Card, Picture, or Sign Exhibiting | 1 | 0 | 0 | 0 | 0 | 1 |
047 | Plant Husbandry | 0 | 1 | 0 | 0 | 0 | 1 |
062 | Refrigeration | 0 | 0 | 0 | 1 | 0 | 1 |
072 | Metal Deforming | 0 | 0 | 0 | 1 | 0 | 1 |
074 | Machine Element or Mechanism | 0 | 0 | 0 | 0 | 1 | 1 |
105 | Railway Rolling Stock | 1 | 0 | 0 | 0 | 0 | 1 |
114 | Ships | 0 | 0 | 0 | 0 | 1 | 1 |
156 | Adhesive Bonding and Miscellaneous Chemical Manufacture | 0 | 0 | 0 | 0 | 1 | 1 |
165 | Heat Exchange | 0 | 0 | 0 | 0 | 1 | 1 |
169 | Fire Extinguishers | 0 | 1 | 0 | 0 | 0 | 1 |
174 | Electricity: Conductors and Insulators | 1 | 0 | 0 | 0 | 0 | 1 |
184 | Lubrication | 1 | 0 | 0 | 0 | 0 | 1 |
202 | Distillation: Apparatus | 0 | 1 | 0 | 0 | 0 | 1 |
206 | Special Receptacle or Package | 0 | 0 | 0 | 0 | 1 | 1 |
235 | Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) | 0 | 0 | 0 | 1 | 0 | 1 |
236 | Automatic Temperature and Humidity Regulation | 0 | 0 | 0 | 1 | 0 | 1 |
244 | Aeronautics | 0 | 0 | 0 | 1 | 0 | 1 |
273 | Amusement Devices: Games | 0 | 0 | 0 | 1 | 0 | 1 |
307 | Electrical Transmission or Interconnection Systems | 0 | 0 | 1 | 0 | 0 | 1 |
312 | Supports: Cabinet Structure | 0 | 0 | 0 | 0 | 1 | 1 |
340 | Communications: Electrical | 1 | 0 | 0 | 0 | 0 | 1 |
348 | Television | 0 | 0 | 1 | 0 | 0 | 1 |
359 | Optics: Systems (Including Communication) and Elements | 0 | 0 | 1 | 0 | 0 | 1 |
380 | Cryptography | 0 | 0 | 0 | 0 | 1 | 1 |
405 | Hydraulic and Earth Engineering | 0 | 0 | 1 | 0 | 0 | 1 |
408 | Cutting by Use of Rotating Axially Moving Tool | 0 | 0 | 1 | 0 | 0 | 1 |
418 | Rotary Expansible Chamber Devices | 1 | 0 | 0 | 0 | 0 | 1 |
422 | Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing | 0 | 0 | 1 | 0 | 0 | 1 |
428 | Stock Material or Miscellaneous Articles | 1 | 0 | 0 | 0 | 0 | 1 |
436 | Chemistry: Analytical and Immunological Testing | 0 | 0 | 0 | 1 | 0 | 1 |
438 | Semiconductor Device Manufacturing: Process | 1 | 0 | 0 | 0 | 0 | 1 |
446 | Amusement Devices: Toys | 0 | 0 | 0 | 1 | 0 | 1 |
502 | Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making | 0 | 0 | 0 | 0 | 1 | 1 |
516 | Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting | 0 | 1 | 0 | 0 | 0 | 1 |
520 | Synthetic Resins or Natural Rubbers (includes Classes 520-528) | 0 | 1 | 0 | 0 | 0 | 1 |
585 | Chemistry of Hydrocarbon Compounds | 0 | 0 | 0 | 1 | 0 | 1 |
602 | Surgery: Splint, Brace, or Bandage | 0 | 0 | 1 | 0 | 0 | 1 |
702 | DP: Measuring, Calibrating, or Testing (Data Processing) | 0 | 0 | 0 | 1 | 0 | 1 |
709 | Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) | 0 | 0 | 0 | 1 | 0 | 1 |
ALL | ALL CLASSES | 43 | 25 | 50 | 39 | 36 | 193 |
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/