U.S. PATENT AND TRADEMARK OFFICE Information Products Division Technology Assessment and Forecast (TAF) Branch |
Class | Class Title | 1996 | 1997 | 1998 | 1999 | 2000 | Total |
340 | Communications: Electrical | 1 | 1 | 2 | 0 | 2 | 6 |
385 | Optical Waveguides | 0 | 3 | 1 | 0 | 1 | 5 |
198 | Conveyors: Power-Driven | 1 | 0 | 1 | 1 | 1 | 4 |
406 | Conveyors: Fluid Current | 0 | 0 | 0 | 0 | 4 | 4 |
426 | Food or Edible Material: Processes, Compositions, and Products | 1 | 0 | 1 | 2 | 0 | 4 |
473 | Games Using Tangible Projectile | 0 | 2 | 2 | 0 | 0 | 4 |
520 | Synthetic Resins or Natural Rubbers (includes Classes 520-528) | 0 | 0 | 3 | 0 | 1 | 4 |
101 | Printing | 0 | 0 | 3 | 0 | 0 | 3 |
108 | Horizontally Supported Planar Surfaces | 3 | 0 | 0 | 0 | 0 | 3 |
359 | Optics: Systems (Including Communication) and Elements | 0 | 0 | 1 | 1 | 1 | 3 |
361 | Electricity: Electrical Systems and Devices | 0 | 1 | 0 | 1 | 1 | 3 |
405 | Hydraulic and Earth Engineering | 0 | 1 | 2 | 0 | 0 | 3 |
455 | Telecommunications | 0 | 0 | 0 | 1 | 2 | 3 |
713 | Support (Electrical Computers and Digital Processing Systems) | 0 | 1 | 0 | 1 | 1 | 3 |
015 | Brushing, Scrubbing, and General Cleaning | 1 | 0 | 0 | 1 | 0 | 2 |
024 | Buckles, Buttons, Clasps, Etc. | 0 | 0 | 1 | 1 | 0 | 2 |
134 | Cleaning and Liquid Contact with Solids | 0 | 0 | 1 | 1 | 0 | 2 |
200 | Electricity: Circuit Makers and Breakers | 0 | 0 | 0 | 1 | 1 | 2 |
222 | Dispensing (apparatus and process) | 0 | 0 | 2 | 0 | 0 | 2 |
228 | Metal Fusion Bonding | 1 | 0 | 0 | 1 | 0 | 2 |
257 | Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) | 0 | 0 | 0 | 2 | 0 | 2 |
264 | Plastic and Nonmetallic Article Shaping or Treating: Processes | 0 | 0 | 0 | 1 | 1 | 2 |
297 | Chairs and Seats | 0 | 0 | 0 | 1 | 1 | 2 |
330 | Amplifiers | 0 | 1 | 0 | 0 | 1 | 2 |
331 | Oscillators | 0 | 0 | 0 | 1 | 1 | 2 |
438 | Semiconductor Device Manufacturing: Process | 0 | 0 | 0 | 0 | 2 | 2 |
439 | Electrical Connectors | 0 | 0 | 0 | 1 | 1 | 2 |
004 | Baths, Closets, Sinks, and Spittoons | 0 | 0 | 0 | 1 | 0 | 1 |
005 | Beds | 0 | 0 | 0 | 0 | 1 | 1 |
029 | Metal Working | 0 | 0 | 0 | 0 | 1 | 1 |
033 | Geometrical Instruments | 0 | 0 | 0 | 0 | 1 | 1 |
043 | Fishing, Trapping, and Vermin Destroying | 0 | 0 | 0 | 1 | 0 | 1 |
065 | Glass Manufacturing | 0 | 0 | 0 | 0 | 1 | 1 |
073 | Measuring and Testing | 0 | 0 | 0 | 0 | 1 | 1 |
075 | Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures | 1 | 0 | 0 | 0 | 0 | 1 |
102 | Ammunition and Explosives | 0 | 0 | 1 | 0 | 0 | 1 |
114 | Ships | 0 | 0 | 0 | 1 | 0 | 1 |
123 | Internal-Combustion Engines | 0 | 1 | 0 | 0 | 0 | 1 |
126 | Stoves and Furnaces | 0 | 0 | 0 | 0 | 1 | 1 |
128 | Surgery (includes Class 600) | 0 | 0 | 0 | 0 | 1 | 1 |
141 | Fluent Material Handling, with Receiver or Receiver Coacting Means | 0 | 0 | 0 | 1 | 0 | 1 |
166 | Wells (shafts or deep borings in the earth, e.g., for oil and gas) | 0 | 0 | 1 | 0 | 0 | 1 |
174 | Electricity: Conductors and Insulators | 0 | 1 | 0 | 0 | 0 | 1 |
182 | Fire Escape, Ladder, or Scaffold | 0 | 1 | 0 | 0 | 0 | 1 |
187 | Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle | 0 | 0 | 0 | 1 | 0 | 1 |
216 | Etching a Substrate: Processes | 0 | 0 | 0 | 0 | 1 | 1 |
227 | Elongated-Member-Driving Apparatus | 1 | 0 | 0 | 0 | 0 | 1 |
241 | Solid Material Comminution or Disintegration | 0 | 0 | 0 | 0 | 1 | 1 |
244 | Aeronautics | 0 | 0 | 0 | 0 | 1 | 1 |
249 | Static Molds | 0 | 0 | 0 | 0 | 1 | 1 |
273 | Amusement Devices: Games | 0 | 1 | 0 | 0 | 0 | 1 |
293 | Vehicle Fenders | 0 | 0 | 0 | 1 | 0 | 1 |
307 | Electrical Transmission or Interconnection Systems | 0 | 0 | 0 | 0 | 1 | 1 |
310 | Electrical Generator or Motor Structure | 0 | 0 | 0 | 0 | 1 | 1 |
327 | Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems | 0 | 0 | 0 | 1 | 0 | 1 |
342 | Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) | 0 | 0 | 0 | 0 | 1 | 1 |
363 | Electric Power Conversion Systems | 0 | 0 | 0 | 1 | 0 | 1 |
369 | Dynamic Information Storage or Retrieval | 0 | 0 | 0 | 1 | 0 | 1 |
379 | Telephonic Communications | 0 | 0 | 0 | 1 | 0 | 1 |
411 | Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener | 0 | 0 | 0 | 0 | 1 | 1 |
425 | Plastic Article or Earthenware Shaping or Treating: Apparatus | 1 | 0 | 0 | 0 | 0 | 1 |
427 | Coating Processes | 0 | 0 | 0 | 1 | 0 | 1 |
428 | Stock Material or Miscellaneous Articles | 0 | 1 | 0 | 0 | 0 | 1 |
433 | Dentistry | 0 | 0 | 0 | 0 | 1 | 1 |
435 | Chemistry: Molecular Biology and Microbiology | 0 | 1 | 0 | 0 | 0 | 1 |
451 | Abrading | 1 | 0 | 0 | 0 | 0 | 1 |
585 | Chemistry of Hydrocarbon Compounds | 0 | 0 | 0 | 0 | 1 | 1 |
606 | Surgery (instruments) | 0 | 1 | 0 | 0 | 0 | 1 |
607 | Surgery: Light, Thermal, and Electrical Application | 0 | 0 | 0 | 0 | 1 | 1 |
700 | DP: Generic Control Systems or Specific Applications (Data Processing) | 0 | 0 | 0 | 0 | 1 | 1 |
705 | DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) | 0 | 0 | 0 | 0 | 1 | 1 |
710 | Input/Output (Electrical Computers and Digital Processing Systems) | 0 | 0 | 1 | 0 | 0 | 1 |
714 | Error Detection/Correction and Fault Detection/Recovery | 0 | 0 | 0 | 1 | 0 | 1 |
ALL | ALL CLASSES | 12 | 17 | 23 | 30 | 42 | 124 |
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/