U.S. PATENT AND TRADEMARK OFFICE Information Products Division Technology Assessment and Forecast (TAF) Branch |
Class | Class Title | 1996 | 1997 | 1998 | 1999 | 2000 | Total |
166 | Wells (shafts or deep borings in the earth, e.g., for oil and gas) | 2 | 6 | 4 | 6 | 11 | 29 |
606 | Surgery (instruments) | 3 | 2 | 2 | 2 | 1 | 10 |
037 | Excavating | 2 | 0 | 0 | 1 | 3 | 6 |
043 | Fishing, Trapping, and Vermin Destroying | 1 | 5 | 0 | 0 | 0 | 6 |
052 | Static Structures (e.g., Buildings) | 0 | 0 | 3 | 3 | 0 | 6 |
224 | Package and Article Carriers | 1 | 1 | 3 | 1 | 0 | 6 |
073 | Measuring and Testing | 1 | 2 | 1 | 1 | 0 | 5 |
280 | Land Vehicles | 1 | 1 | 1 | 2 | 0 | 5 |
210 | Liquid Purification or Separation | 1 | 1 | 2 | 0 | 0 | 4 |
296 | Land Vehicles: Bodies and Tops | 0 | 0 | 1 | 1 | 2 | 4 |
322 | Electricity: Single Generator Systems | 0 | 0 | 3 | 1 | 0 | 4 |
405 | Hydraulic and Earth Engineering | 0 | 1 | 1 | 2 | 0 | 4 |
426 | Food or Edible Material: Processes, Compositions, and Products | 2 | 2 | 0 | 0 | 0 | 4 |
004 | Baths, Closets, Sinks, and Spittoons | 0 | 1 | 2 | 0 | 0 | 3 |
034 | Drying and Gas or Vapor Contact with Solids | 0 | 1 | 2 | 0 | 0 | 3 |
114 | Ships | 0 | 1 | 1 | 1 | 0 | 3 |
119 | Animal Husbandry | 0 | 2 | 0 | 0 | 1 | 3 |
175 | Boring or Penetrating the Earth | 0 | 1 | 1 | 1 | 0 | 3 |
180 | Motor Vehicles | 0 | 0 | 2 | 1 | 0 | 3 |
219 | Electric Heating | 1 | 0 | 0 | 1 | 1 | 3 |
220 | Receptacles | 0 | 0 | 1 | 1 | 1 | 3 |
244 | Aeronautics | 2 | 0 | 1 | 0 | 0 | 3 |
248 | Supports (e.g., for holding articles, etc.) | 0 | 0 | 0 | 0 | 3 | 3 |
273 | Amusement Devices: Games | 0 | 0 | 1 | 2 | 0 | 3 |
424 | Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) | 1 | 0 | 1 | 0 | 1 | 3 |
435 | Chemistry: Molecular Biology and Microbiology | 1 | 0 | 1 | 1 | 0 | 3 |
482 | Exercise Devices | 1 | 1 | 1 | 0 | 0 | 3 |
520 | Synthetic Resins or Natural Rubbers (includes Classes 520-528) | 0 | 0 | 0 | 1 | 2 | 3 |
002 | Apparel | 0 | 0 | 1 | 0 | 1 | 2 |
005 | Beds | 1 | 0 | 1 | 0 | 0 | 2 |
015 | Brushing, Scrubbing, and General Cleaning | 0 | 1 | 1 | 0 | 0 | 2 |
029 | Metal Working | 0 | 0 | 1 | 1 | 0 | 2 |
030 | Cutlery | 0 | 0 | 1 | 1 | 0 | 2 |
036 | Boots, Shoes, and Leggings | 0 | 0 | 1 | 1 | 0 | 2 |
062 | Refrigeration | 0 | 0 | 0 | 0 | 2 | 2 |
072 | Metal Deforming | 0 | 0 | 1 | 1 | 0 | 2 |
081 | Tools | 0 | 0 | 1 | 0 | 1 | 2 |
128 | Surgery (includes Class 600) | 1 | 0 | 0 | 1 | 0 | 2 |
137 | Fluid Handling | 0 | 1 | 1 | 0 | 0 | 2 |
138 | Pipes and Tubular Conduits | 0 | 0 | 1 | 0 | 1 | 2 |
141 | Fluent Material Handling, with Receiver or Receiver Coacting Means | 1 | 0 | 0 | 1 | 0 | 2 |
181 | Acoustics | 1 | 0 | 1 | 0 | 0 | 2 |
204 | Chemistry: Electrical and Wave Energy | 1 | 0 | 1 | 0 | 0 | 2 |
267 | Spring Devices | 0 | 1 | 1 | 0 | 0 | 2 |
294 | Handling: Hand and Hoist-Line Implements | 0 | 0 | 0 | 1 | 1 | 2 |
310 | Electrical Generator or Motor Structure | 0 | 0 | 0 | 2 | 0 | 2 |
324 | Electricity: Measuring and Testing | 0 | 0 | 0 | 2 | 0 | 2 |
340 | Communications: Electrical | 0 | 0 | 0 | 0 | 2 | 2 |
433 | Dentistry | 0 | 0 | 1 | 1 | 0 | 2 |
446 | Amusement Devices: Toys | 1 | 1 | 0 | 0 | 0 | 2 |
452 | Butchering | 0 | 0 | 1 | 0 | 1 | 2 |
473 | Games Using Tangible Projectile | 0 | 0 | 0 | 2 | 0 | 2 |
588 | Hazardous or Toxic Waste Destruction or Containment | 1 | 1 | 0 | 0 | 0 | 2 |
604 | Surgery (Medicators and Receptors) | 1 | 1 | 0 | 0 | 0 | 2 |
702 | DP: Measuring, Calibrating, or Testing (Data Processing) | 0 | 0 | 0 | 2 | 0 | 2 |
705 | DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) | 0 | 1 | 0 | 0 | 1 | 2 |
714 | Error Detection/Correction and Fault Detection/Recovery | 0 | 1 | 1 | 0 | 0 | 2 |
016 | Miscellaneous Hardware | 0 | 0 | 0 | 1 | 0 | 1 |
024 | Buckles, Buttons, Clasps, Etc. | 0 | 1 | 0 | 0 | 0 | 1 |
033 | Geometrical Instruments | 0 | 0 | 1 | 0 | 0 | 1 |
044 | Fuel and Related Compositions | 0 | 0 | 0 | 0 | 1 | 1 |
060 | Power Plants | 0 | 0 | 1 | 0 | 0 | 1 |
070 | Locks | 0 | 0 | 0 | 0 | 1 | 1 |
071 | Chemistry: Fertilizers | 0 | 0 | 0 | 1 | 0 | 1 |
084 | Music | 1 | 0 | 0 | 0 | 0 | 1 |
096 | Gas Separation: Apparatus | 0 | 0 | 0 | 1 | 0 | 1 |
099 | Foods and Beverages: Apparatus | 1 | 0 | 0 | 0 | 0 | 1 |
123 | Internal-Combustion Engines | 0 | 0 | 0 | 0 | 1 | 1 |
132 | Toilet | 0 | 1 | 0 | 0 | 0 | 1 |
134 | Cleaning and Liquid Contact with Solids | 0 | 0 | 1 | 0 | 0 | 1 |
135 | Tent, Canopy, Umbrella, or Cane | 0 | 1 | 0 | 0 | 0 | 1 |
152 | Resilient Tires and Wheels | 0 | 0 | 0 | 0 | 1 | 1 |
182 | Fire Escape, Ladder, or Scaffold | 1 | 0 | 0 | 0 | 0 | 1 |
206 | Special Receptacle or Package | 0 | 1 | 0 | 0 | 0 | 1 |
211 | Supports: Racks | 0 | 1 | 0 | 0 | 0 | 1 |
221 | Article Dispensing | 0 | 1 | 0 | 0 | 0 | 1 |
222 | Dispensing (apparatus and process) | 0 | 0 | 1 | 0 | 0 | 1 |
236 | Automatic Temperature and Humidity Regulation | 1 | 0 | 0 | 0 | 0 | 1 |
242 | Winding, Tensioning, or Guiding | 0 | 0 | 0 | 1 | 0 | 1 |
250 | Radiant Energy | 0 | 0 | 1 | 0 | 0 | 1 |
289 | Knots and Knot Tying | 0 | 1 | 0 | 0 | 0 | 1 |
291 | Track Sanders | 1 | 0 | 0 | 0 | 0 | 1 |
297 | Chairs and Seats | 0 | 0 | 1 | 0 | 0 | 1 |
301 | Land Vehicles: Wheels and Axles | 1 | 0 | 0 | 0 | 0 | 1 |
307 | Electrical Transmission or Interconnection Systems | 0 | 0 | 1 | 0 | 0 | 1 |
338 | Electrical Resistors | 0 | 0 | 1 | 0 | 0 | 1 |
362 | Illumination | 0 | 0 | 0 | 1 | 0 | 1 |
367 | Communications, Electrical: Acoustic Wave Systems and Devices | 1 | 0 | 0 | 0 | 0 | 1 |
379 | Telephonic Communications | 0 | 1 | 0 | 0 | 0 | 1 |
381 | Electrical Audio Signal Processing Systems and Devices | 1 | 0 | 0 | 0 | 0 | 1 |
392 | Electric Resistance Heating Devices | 0 | 0 | 0 | 1 | 0 | 1 |
396 | Photography | 0 | 0 | 1 | 0 | 0 | 1 |
404 | Road Structure, Process, or Apparatus | 0 | 1 | 0 | 0 | 0 | 1 |
408 | Cutting by Use of Rotating Axially Moving Tool | 0 | 0 | 1 | 0 | 0 | 1 |
414 | Material or Article Handling | 0 | 0 | 1 | 0 | 0 | 1 |
422 | Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing | 0 | 0 | 0 | 1 | 0 | 1 |
425 | Plastic Article or Earthenware Shaping or Treating: Apparatus | 0 | 0 | 0 | 1 | 0 | 1 |
427 | Coating Processes | 0 | 0 | 1 | 0 | 0 | 1 |
451 | Abrading | 0 | 0 | 1 | 0 | 0 | 1 |
455 | Telecommunications | 0 | 0 | 0 | 0 | 1 | 1 |
474 | Endless Belt Power Transmission Systems or Components | 0 | 0 | 0 | 0 | 1 | 1 |
502 | Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making | 0 | 1 | 0 | 0 | 0 | 1 |
585 | Chemistry of Hydrocarbon Compounds | 0 | 0 | 0 | 0 | 1 | 1 |
700 | DP: Generic Control Systems or Specific Applications (Data Processing) | 0 | 0 | 0 | 0 | 1 | 1 |
ALL | ALL CLASSES | 36 | 46 | 64 | 53 | 44 | 243 |
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/