U.S. PATENT AND TRADEMARK OFFICE Information Products Division Technology Assessment and Forecast (TAF) Branch |
Class | Class Title | 1996 | 1997 | 1998 | 1999 | 2000 | Total |
280 | Land Vehicles | 1 | 1 | 4 | 1 | 5 | 12 |
361 | Electricity: Electrical Systems and Devices | 0 | 1 | 3 | 4 | 4 | 12 |
414 | Material or Article Handling | 2 | 1 | 1 | 2 | 5 | 11 |
119 | Animal Husbandry | 2 | 2 | 1 | 0 | 4 | 9 |
049 | Movable or Removable Closures | 1 | 1 | 3 | 1 | 2 | 8 |
324 | Electricity: Measuring and Testing | 1 | 1 | 3 | 0 | 1 | 6 |
428 | Stock Material or Miscellaneous Articles | 0 | 1 | 1 | 2 | 2 | 6 |
710 | Input/Output (Electrical Computers and Digital Processing Systems) | 0 | 0 | 0 | 1 | 5 | 6 |
037 | Excavating | 0 | 1 | 1 | 3 | 0 | 5 |
040 | Card, Picture, or Sign Exhibiting | 1 | 0 | 0 | 3 | 1 | 5 |
043 | Fishing, Trapping, and Vermin Destroying | 0 | 0 | 1 | 3 | 1 | 5 |
345 | Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems | 0 | 0 | 0 | 3 | 2 | 5 |
424 | Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) | 0 | 0 | 3 | 2 | 0 | 5 |
426 | Food or Edible Material: Processes, Compositions, and Products | 0 | 0 | 0 | 3 | 2 | 5 |
800 | Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes | 1 | 1 | 1 | 0 | 2 | 5 |
002 | Apparel | 1 | 2 | 0 | 1 | 0 | 4 |
029 | Metal Working | 0 | 0 | 2 | 1 | 1 | 4 |
052 | Static Structures (e.g., Buildings) | 0 | 3 | 0 | 1 | 0 | 4 |
056 | Harvesters | 2 | 0 | 0 | 0 | 2 | 4 |
099 | Foods and Beverages: Apparatus | 0 | 0 | 0 | 1 | 3 | 4 |
128 | Surgery (includes Class 600) | 0 | 1 | 1 | 0 | 2 | 4 |
229 | Envelopes, Wrappers, and Paperboard Boxes | 0 | 1 | 2 | 0 | 1 | 4 |
241 | Solid Material Comminution or Disintegration | 1 | 0 | 0 | 0 | 3 | 4 |
248 | Supports (e.g., for holding articles, etc.) | 0 | 1 | 1 | 0 | 2 | 4 |
348 | Television | 2 | 1 | 1 | 0 | 0 | 4 |
404 | Road Structure, Process, or Apparatus | 1 | 2 | 1 | 0 | 0 | 4 |
405 | Hydraulic and Earth Engineering | 1 | 1 | 1 | 1 | 0 | 4 |
606 | Surgery (instruments) | 0 | 2 | 2 | 0 | 0 | 4 |
075 | Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures | 1 | 0 | 1 | 1 | 0 | 3 |
126 | Stoves and Furnaces | 0 | 1 | 1 | 1 | 0 | 3 |
165 | Heat Exchange | 0 | 0 | 0 | 2 | 1 | 3 |
198 | Conveyors: Power-Driven | 1 | 0 | 0 | 0 | 2 | 3 |
209 | Classifying, Separating, and Assorting Solids | 1 | 0 | 0 | 1 | 1 | 3 |
273 | Amusement Devices: Games | 0 | 1 | 0 | 2 | 0 | 3 |
296 | Land Vehicles: Bodies and Tops | 0 | 0 | 1 | 2 | 0 | 3 |
452 | Butchering | 0 | 1 | 1 | 0 | 1 | 3 |
463 | Amusement Devices: Games | 0 | 2 | 0 | 0 | 1 | 3 |
072 | Metal Deforming | 0 | 1 | 0 | 0 | 1 | 2 |
144 | Woodworking | 1 | 1 | 0 | 0 | 0 | 2 |
156 | Adhesive Bonding and Miscellaneous Chemical Manufacture | 0 | 0 | 0 | 1 | 1 | 2 |
180 | Motor Vehicles | 0 | 0 | 0 | 1 | 1 | 2 |
182 | Fire Escape, Ladder, or Scaffold | 1 | 0 | 0 | 1 | 0 | 2 |
188 | Brakes | 1 | 0 | 0 | 1 | 0 | 2 |
206 | Special Receptacle or Package | 1 | 0 | 0 | 0 | 1 | 2 |
210 | Liquid Purification or Separation | 1 | 0 | 0 | 1 | 0 | 2 |
239 | Fluid Sprinkling, Spraying, and Diffusing | 0 | 0 | 0 | 0 | 2 | 2 |
336 | Inductor Devices | 0 | 0 | 1 | 0 | 1 | 2 |
343 | Communications: Radio Wave Antennas | 0 | 0 | 0 | 2 | 0 | 2 |
359 | Optics: Systems (Including Communication) and Elements | 0 | 0 | 0 | 1 | 1 | 2 |
362 | Illumination | 0 | 0 | 2 | 0 | 0 | 2 |
410 | Freight Accommodation On Freight Carrier | 1 | 0 | 0 | 0 | 1 | 2 |
416 | Fluid Reaction Surfaces (i.e., Impellers) | 1 | 0 | 0 | 0 | 1 | 2 |
431 | Combustion | 0 | 0 | 1 | 1 | 0 | 2 |
433 | Dentistry | 0 | 1 | 1 | 0 | 0 | 2 |
439 | Electrical Connectors | 0 | 0 | 0 | 1 | 1 | 2 |
530 | Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof | 1 | 1 | 0 | 0 | 0 | 2 |
702 | DP: Measuring, Calibrating, or Testing (Data Processing) | 1 | 0 | 0 | 1 | 0 | 2 |
007 | Compound Hand Tools | 0 | 1 | 0 | 0 | 0 | 1 |
015 | Brushing, Scrubbing, and General Cleaning | 0 | 0 | 0 | 1 | 0 | 1 |
016 | Miscellaneous Hardware | 0 | 1 | 0 | 0 | 0 | 1 |
024 | Buckles, Buttons, Clasps, Etc. | 0 | 1 | 0 | 0 | 0 | 1 |
030 | Cutlery | 0 | 0 | 1 | 0 | 0 | 1 |
034 | Drying and Gas or Vapor Contact with Solids | 0 | 0 | 1 | 0 | 0 | 1 |
053 | Package Making | 1 | 0 | 0 | 0 | 0 | 1 |
060 | Power Plants | 0 | 0 | 1 | 0 | 0 | 1 |
062 | Refrigeration | 1 | 0 | 0 | 0 | 0 | 1 |
102 | Ammunition and Explosives | 0 | 0 | 1 | 0 | 0 | 1 |
108 | Horizontally Supported Planar Surfaces | 0 | 0 | 0 | 0 | 1 | 1 |
114 | Ships | 1 | 0 | 0 | 0 | 0 | 1 |
124 | Mechanical Guns and Projectors | 0 | 1 | 0 | 0 | 0 | 1 |
134 | Cleaning and Liquid Contact with Solids | 0 | 0 | 0 | 0 | 1 | 1 |
136 | Batteries: Thermoelectric and Photoelectric | 0 | 0 | 0 | 1 | 0 | 1 |
148 | Metal Treatment | 0 | 0 | 0 | 0 | 1 | 1 |
150 | Purses, Wallets, and Protective Covers | 0 | 0 | 1 | 0 | 0 | 1 |
160 | Flexible or Portable Closure, Partition, or Panel | 0 | 0 | 0 | 1 | 0 | 1 |
181 | Acoustics | 0 | 0 | 0 | 1 | 0 | 1 |
187 | Elevator, Industrial Lift Truck, or Stationary Lift for Vehicle | 0 | 0 | 0 | 0 | 1 | 1 |
192 | Clutches and Power-Stop Control | 0 | 1 | 0 | 0 | 0 | 1 |
200 | Electricity: Circuit Makers and Breakers | 0 | 0 | 0 | 0 | 1 | 1 |
211 | Supports: Racks | 0 | 1 | 0 | 0 | 0 | 1 |
219 | Electric Heating | 0 | 0 | 1 | 0 | 0 | 1 |
220 | Receptacles | 0 | 0 | 0 | 0 | 1 | 1 |
221 | Article Dispensing | 0 | 1 | 0 | 0 | 0 | 1 |
222 | Dispensing (apparatus and process) | 0 | 1 | 0 | 0 | 0 | 1 |
224 | Package and Article Carriers | 1 | 0 | 0 | 0 | 0 | 1 |
232 | Deposit and Collection Receptacles | 0 | 0 | 0 | 1 | 0 | 1 |
242 | Winding, Tensioning, or Guiding | 0 | 1 | 0 | 0 | 0 | 1 |
250 | Radiant Energy | 0 | 0 | 1 | 0 | 0 | 1 |
254 | Implements or Apparatus for Applying Pushing or Pulling Force | 0 | 0 | 0 | 0 | 1 | 1 |
264 | Plastic and Nonmetallic Article Shaping or Treating: Processes | 0 | 0 | 0 | 1 | 0 | 1 |
266 | Metallurgical Apparatus | 0 | 0 | 0 | 0 | 1 | 1 |
267 | Spring Devices | 1 | 0 | 0 | 0 | 0 | 1 |
297 | Chairs and Seats | 1 | 0 | 0 | 0 | 0 | 1 |
310 | Electrical Generator or Motor Structure | 0 | 0 | 0 | 0 | 1 | 1 |
312 | Supports: Cabinet Structure | 0 | 0 | 0 | 0 | 1 | 1 |
318 | Electricity: Motive Power Systems | 0 | 1 | 0 | 0 | 0 | 1 |
340 | Communications: Electrical | 1 | 0 | 0 | 0 | 0 | 1 |
341 | Coded Data Generation or Conversion | 0 | 0 | 0 | 1 | 0 | 1 |
356 | Optics: Measuring and Testing | 0 | 0 | 0 | 0 | 1 | 1 |
360 | Dynamic Magnetic Information Storage or Retrieval | 0 | 0 | 0 | 0 | 1 | 1 |
363 | Electric Power Conversion Systems | 0 | 0 | 0 | 0 | 1 | 1 |
367 | Communications, Electrical: Acoustic Wave Systems and Devices | 1 | 0 | 0 | 0 | 0 | 1 |
370 | Multiplex Communications | 0 | 0 | 1 | 0 | 0 | 1 |
375 | Pulse or Digital Communications | 0 | 1 | 0 | 0 | 0 | 1 |
382 | Image Analysis | 0 | 1 | 0 | 0 | 0 | 1 |
385 | Optical Waveguides | 1 | 0 | 0 | 0 | 0 | 1 |
422 | Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing | 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 | 0 | 1 | 1 |
430 | Radiation Imagery Chemistry: Process, Composition, or Product Thereof | 0 | 0 | 0 | 0 | 1 | 1 |
435 | Chemistry: Molecular Biology and Microbiology | 1 | 0 | 0 | 0 | 0 | 1 |
440 | Marine Propulsion | 0 | 0 | 0 | 1 | 0 | 1 |
455 | Telecommunications | 1 | 0 | 0 | 0 | 0 | 1 |
464 | Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts | 0 | 0 | 0 | 1 | 0 | 1 |
520 | Synthetic Resins or Natural Rubbers (includes Classes 520-528) | 1 | 0 | 0 | 0 | 0 | 1 |
532 | Organic Compounds (includes Classes 532-570) | 0 | 0 | 0 | 1 | 0 | 1 |
604 | Surgery (Medicators and Receptors) | 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) | 1 | 0 | 0 | 0 | 0 | 1 |
701 | DP: Vehicles, Navigation, and Relative Location (Data Processing) | 0 | 0 | 0 | 1 | 0 | 1 |
709 | Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) | 0 | 0 | 0 | 0 | 1 | 1 |
713 | Support (Electrical Computers and Digital Processing Systems) | 0 | 0 | 0 | 1 | 0 | 1 |
717 | DP: Software Development, Installation, and Management (Data Processing) | 0 | 0 | 0 | 0 | 1 | 1 |
725 | Interactive Video Distribution Systems | 0 | 0 | 0 | 1 | 0 | 1 |
ALL | ALL CLASSES | 43 | 46 | 50 | 66 | 86 | 291 |
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/