U.S. PATENT AND TRADEMARK OFFICE Information Products Division Technology Assessment and Forecast (TAF) Branch |
Class | Class Title | 1996 | 1997 | 1998 | 1999 | 2000 | Total |
800 | Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes | 4 | 3 | 6 | 1 | 0 | 14 |
172 | Earth Working | 3 | 2 | 2 | 2 | 3 | 12 |
340 | Communications: Electrical | 2 | 1 | 5 | 3 | 0 | 11 |
414 | Material or Article Handling | 6 | 2 | 1 | 1 | 1 | 11 |
532 | Organic Compounds (includes Classes 532-570) | 1 | 2 | 2 | 3 | 2 | 10 |
180 | Motor Vehicles | 2 | 1 | 1 | 4 | 1 | 9 |
037 | Excavating | 0 | 0 | 1 | 3 | 4 | 8 |
111 | Planting | 0 | 0 | 0 | 2 | 6 | 8 |
280 | Land Vehicles | 0 | 0 | 3 | 2 | 3 | 8 |
473 | Games Using Tangible Projectile | 3 | 0 | 2 | 1 | 2 | 8 |
056 | Harvesters | 2 | 1 | 1 | 2 | 1 | 7 |
074 | Machine Element or Mechanism | 1 | 1 | 3 | 1 | 1 | 7 |
426 | Food or Edible Material: Processes, Compositions, and Products | 1 | 1 | 3 | 0 | 2 | 7 |
296 | Land Vehicles: Bodies and Tops | 1 | 0 | 1 | 2 | 2 | 6 |
015 | Brushing, Scrubbing, and General Cleaning | 1 | 0 | 0 | 3 | 1 | 5 |
043 | Fishing, Trapping, and Vermin Destroying | 1 | 2 | 0 | 1 | 1 | 5 |
239 | Fluid Sprinkling, Spraying, and Diffusing | 0 | 2 | 0 | 1 | 2 | 5 |
242 | Winding, Tensioning, or Guiding | 1 | 1 | 1 | 1 | 1 | 5 |
250 | Radiant Energy | 0 | 1 | 2 | 1 | 1 | 5 |
305 | Wheel Substitutes for Land Vehicles | 0 | 0 | 0 | 4 | 1 | 5 |
403 | Joints and Connections | 1 | 0 | 1 | 2 | 1 | 5 |
224 | Package and Article Carriers | 0 | 1 | 3 | 0 | 0 | 4 |
241 | Solid Material Comminution or Disintegration | 3 | 0 | 0 | 1 | 0 | 4 |
520 | Synthetic Resins or Natural Rubbers (includes Classes 520-528) | 1 | 0 | 0 | 1 | 2 | 4 |
030 | Cutlery | 2 | 0 | 1 | 0 | 0 | 3 |
119 | Animal Husbandry | 0 | 2 | 0 | 1 | 0 | 3 |
128 | Surgery (includes Class 600) | 0 | 1 | 0 | 1 | 1 | 3 |
134 | Cleaning and Liquid Contact with Solids | 1 | 0 | 0 | 1 | 1 | 3 |
203 | Distillation: Processes, Separatory | 0 | 1 | 1 | 1 | 0 | 3 |
210 | Liquid Purification or Separation | 1 | 0 | 0 | 1 | 1 | 3 |
254 | Implements or Apparatus for Applying Pushing or Pulling Force | 0 | 0 | 1 | 2 | 0 | 3 |
273 | Amusement Devices: Games | 0 | 0 | 1 | 1 | 1 | 3 |
360 | Dynamic Magnetic Information Storage or Retrieval | 1 | 0 | 1 | 0 | 1 | 3 |
366 | Agitating (e.g., of articles and materials) | 0 | 2 | 0 | 0 | 1 | 3 |
435 | Chemistry: Molecular Biology and Microbiology | 0 | 0 | 0 | 0 | 3 | 3 |
482 | Exercise Devices | 2 | 0 | 1 | 0 | 0 | 3 |
701 | DP: Vehicles, Navigation, and Relative Location (Data Processing) | 1 | 0 | 1 | 1 | 0 | 3 |
004 | Baths, Closets, Sinks, and Spittoons | 1 | 0 | 0 | 0 | 1 | 2 |
016 | Miscellaneous Hardware | 1 | 0 | 0 | 0 | 1 | 2 |
034 | Drying and Gas or Vapor Contact with Solids | 1 | 0 | 0 | 0 | 1 | 2 |
052 | Static Structures (e.g., Buildings) | 0 | 1 | 0 | 0 | 1 | 2 |
060 | Power Plants | 1 | 0 | 0 | 0 | 1 | 2 |
081 | Tools | 1 | 0 | 0 | 1 | 0 | 2 |
083 | Cutting | 1 | 0 | 0 | 0 | 1 | 2 |
084 | Music | 0 | 0 | 1 | 1 | 0 | 2 |
099 | Foods and Beverages: Apparatus | 1 | 0 | 1 | 0 | 0 | 2 |
123 | Internal-Combustion Engines | 0 | 0 | 0 | 0 | 2 | 2 |
141 | Fluent Material Handling, with Receiver or Receiver Coacting Means | 0 | 1 | 0 | 0 | 1 | 2 |
175 | Boring or Penetrating the Earth | 0 | 0 | 0 | 1 | 1 | 2 |
182 | Fire Escape, Ladder, or Scaffold | 0 | 0 | 0 | 0 | 2 | 2 |
219 | Electric Heating | 0 | 0 | 0 | 1 | 1 | 2 |
220 | Receptacles | 0 | 1 | 0 | 0 | 1 | 2 |
248 | Supports (e.g., for holding articles, etc.) | 0 | 0 | 1 | 0 | 1 | 2 |
277 | Seal for a Joint or Juncture | 1 | 0 | 1 | 0 | 0 | 2 |
294 | Handling: Hand and Hoist-Line Implements | 0 | 1 | 0 | 0 | 1 | 2 |
361 | Electricity: Electrical Systems and Devices | 0 | 1 | 1 | 0 | 0 | 2 |
362 | Illumination | 0 | 0 | 0 | 0 | 2 | 2 |
428 | Stock Material or Miscellaneous Articles | 0 | 0 | 0 | 0 | 2 | 2 |
434 | Education and Demonstration | 0 | 0 | 1 | 0 | 1 | 2 |
460 | Crop Threshing or Separating | 0 | 0 | 1 | 0 | 1 | 2 |
504 | Plant Protecting and Regulating Compositions | 0 | 1 | 0 | 1 | 0 | 2 |
002 | Apparel | 0 | 0 | 0 | 1 | 0 | 1 |
029 | Metal Working | 0 | 0 | 0 | 1 | 0 | 1 |
036 | Boots, Shoes, and Leggings | 1 | 0 | 0 | 0 | 0 | 1 |
040 | Card, Picture, or Sign Exhibiting | 0 | 0 | 0 | 0 | 1 | 1 |
044 | Fuel and Related Compositions | 0 | 0 | 0 | 0 | 1 | 1 |
049 | Movable or Removable Closures | 0 | 0 | 1 | 0 | 0 | 1 |
059 | Chain, Staple, and Horseshoe Making | 0 | 0 | 0 | 0 | 1 | 1 |
062 | Refrigeration | 0 | 0 | 1 | 0 | 0 | 1 |
063 | Jewelry | 0 | 1 | 0 | 0 | 0 | 1 |
068 | Textiles: Fluid Treating Apparatus | 0 | 0 | 1 | 0 | 0 | 1 |
073 | Measuring and Testing | 0 | 0 | 0 | 0 | 1 | 1 |
082 | Turning (e.g., for metal working) | 1 | 0 | 0 | 0 | 0 | 1 |
095 | Gas Separation: Processes | 0 | 0 | 0 | 1 | 0 | 1 |
102 | Ammunition and Explosives | 1 | 0 | 0 | 0 | 0 | 1 |
105 | Railway Rolling Stock | 0 | 0 | 1 | 0 | 0 | 1 |
108 | Horizontally Supported Planar Surfaces | 1 | 0 | 0 | 0 | 0 | 1 |
114 | Ships | 0 | 0 | 1 | 0 | 0 | 1 |
124 | Mechanical Guns and Projectors | 0 | 0 | 1 | 0 | 0 | 1 |
126 | Stoves and Furnaces | 0 | 1 | 0 | 0 | 0 | 1 |
132 | Toilet | 0 | 0 | 1 | 0 | 0 | 1 |
138 | Pipes and Tubular Conduits | 0 | 0 | 0 | 0 | 1 | 1 |
181 | Acoustics | 0 | 0 | 0 | 0 | 1 | 1 |
187 | Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle | 1 | 0 | 0 | 0 | 0 | 1 |
188 | Brakes | 0 | 0 | 0 | 1 | 0 | 1 |
198 | Conveyors: Power-Driven | 0 | 0 | 0 | 0 | 1 | 1 |
200 | Electricity: Circuit Makers and Breakers | 1 | 0 | 0 | 0 | 0 | 1 |
204 | Chemistry: Electrical and Wave Energy | 0 | 1 | 0 | 0 | 0 | 1 |
206 | Special Receptacle or Package | 0 | 1 | 0 | 0 | 0 | 1 |
209 | Classifying, Separating, and Assorting Solids | 0 | 0 | 0 | 0 | 1 | 1 |
211 | Supports: Racks | 1 | 0 | 0 | 0 | 0 | 1 |
216 | Etching a Substrate: Processes | 0 | 1 | 0 | 0 | 0 | 1 |
251 | Valves and Valve Actuation | 0 | 0 | 0 | 0 | 1 | 1 |
257 | Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) | 0 | 1 | 0 | 0 | 0 | 1 |
267 | Spring Devices | 0 | 0 | 0 | 0 | 1 | 1 |
269 | Work Holders | 1 | 0 | 0 | 0 | 0 | 1 |
291 | Track Sanders | 1 | 0 | 0 | 0 | 0 | 1 |
292 | Closure Fasteners | 0 | 0 | 0 | 0 | 1 | 1 |
293 | Vehicle Fenders | 0 | 1 | 0 | 0 | 0 | 1 |
299 | Mining or In Situ Disintegration of Hard Material | 0 | 0 | 0 | 0 | 1 | 1 |
301 | Land Vehicles: Wheels and Axles | 0 | 0 | 0 | 0 | 1 | 1 |
303 | Fluid-Pressure and Analogous Brake Systems | 0 | 0 | 0 | 1 | 0 | 1 |
324 | Electricity: Measuring and Testing | 0 | 0 | 0 | 1 | 0 | 1 |
335 | Electricity: Magnetically Operated Switches, Magnets, and Electromagnets | 1 | 0 | 0 | 0 | 0 | 1 |
341 | Coded Data Generation or Conversion | 0 | 0 | 1 | 0 | 0 | 1 |
348 | Television | 0 | 1 | 0 | 0 | 0 | 1 |
356 | Optics: Measuring and Testing | 0 | 0 | 1 | 0 | 0 | 1 |
369 | Dynamic Information Storage or Retrieval | 0 | 0 | 0 | 0 | 1 | 1 |
385 | Optical Waveguides | 0 | 0 | 0 | 1 | 0 | 1 |
400 | Typewriting Machines | 1 | 0 | 0 | 0 | 0 | 1 |
404 | Road Structure, Process, or Apparatus | 0 | 0 | 0 | 1 | 0 | 1 |
427 | Coating Processes | 0 | 1 | 0 | 0 | 0 | 1 |
431 | Combustion | 0 | 0 | 0 | 0 | 1 | 1 |
436 | Chemistry: Analytical and Immunological Testing | 1 | 0 | 0 | 0 | 0 | 1 |
454 | Ventilation | 0 | 0 | 1 | 0 | 0 | 1 |
474 | Endless Belt Power Transmission Systems or Components | 0 | 0 | 1 | 0 | 0 | 1 |
475 | Planetary Gear Transmission Systems or Components | 0 | 0 | 0 | 1 | 0 | 1 |
530 | Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof | 0 | 0 | 1 | 0 | 0 | 1 |
588 | Hazardous or Toxic Waste Destruction or Containment | 0 | 0 | 1 | 0 | 0 | 1 |
602 | Surgery: Splint, Brace, or Bandage | 0 | 0 | 0 | 1 | 0 | 1 |
606 | Surgery (instruments) | 0 | 0 | 0 | 0 | 1 | 1 |
702 | DP: Measuring, Calibrating, or Testing (Data Processing) | 0 | 0 | 0 | 1 | 0 | 1 |
ALL | ALL CLASSES | 62 | 42 | 65 | 67 | 85 | 321 |
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/