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) | 5 | 4 | 5 | 16 | 11 | 41 |
435 | Chemistry: Molecular Biology and Microbiology | 2 | 3 | 3 | 6 | 5 | 19 |
119 | Animal Husbandry | 2 | 5 | 3 | 0 | 3 | 13 |
073 | Measuring and Testing | 3 | 2 | 1 | 3 | 3 | 12 |
128 | Surgery (includes Class 600) | 4 | 2 | 2 | 1 | 1 | 10 |
052 | Static Structures (e.g., Buildings) | 0 | 3 | 2 | 2 | 2 | 9 |
426 | Food or Edible Material: Processes, Compositions, and Products | 3 | 3 | 0 | 0 | 3 | 9 |
307 | Electrical Transmission or Interconnection Systems | 1 | 2 | 3 | 1 | 1 | 8 |
482 | Exercise Devices | 1 | 0 | 2 | 3 | 2 | 8 |
114 | Ships | 2 | 2 | 0 | 3 | 0 | 7 |
134 | Cleaning and Liquid Contact with Solids | 0 | 3 | 4 | 0 | 0 | 7 |
340 | Communications: Electrical | 2 | 0 | 1 | 1 | 3 | 7 |
532 | Organic Compounds (includes Classes 532-570) | 0 | 1 | 2 | 2 | 2 | 7 |
222 | Dispensing (apparatus and process) | 1 | 1 | 1 | 3 | 0 | 6 |
049 | Movable or Removable Closures | 0 | 0 | 2 | 2 | 1 | 5 |
126 | Stoves and Furnaces | 0 | 1 | 1 | 1 | 2 | 5 |
198 | Conveyors: Power-Driven | 0 | 1 | 2 | 1 | 1 | 5 |
229 | Envelopes, Wrappers, and Paperboard Boxes | 1 | 1 | 2 | 1 | 0 | 5 |
273 | Amusement Devices: Games | 2 | 2 | 0 | 1 | 0 | 5 |
280 | Land Vehicles | 1 | 1 | 0 | 2 | 1 | 5 |
318 | Electricity: Motive Power Systems | 2 | 0 | 3 | 0 | 0 | 5 |
320 | Electricity: Battery or Capacitor Charging or Discharging | 0 | 0 | 3 | 0 | 2 | 5 |
342 | Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) | 0 | 0 | 0 | 2 | 3 | 5 |
427 | Coating Processes | 0 | 1 | 0 | 2 | 2 | 5 |
602 | Surgery: Splint, Brace, or Bandage | 0 | 0 | 1 | 2 | 2 | 5 |
800 | Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes | 0 | 0 | 1 | 1 | 3 | 5 |
004 | Baths, Closets, Sinks, and Spittoons | 0 | 0 | 4 | 0 | 0 | 4 |
040 | Card, Picture, or Sign Exhibiting | 1 | 0 | 0 | 3 | 0 | 4 |
084 | Music | 0 | 2 | 1 | 0 | 1 | 4 |
108 | Horizontally Supported Planar Surfaces | 0 | 0 | 2 | 0 | 2 | 4 |
215 | Bottles and Jars | 0 | 1 | 1 | 1 | 1 | 4 |
239 | Fluid Sprinkling, Spraying, and Diffusing | 0 | 0 | 0 | 2 | 2 | 4 |
310 | Electrical Generator or Motor Structure | 1 | 2 | 0 | 0 | 1 | 4 |
343 | Communications: Radio Wave Antennas | 0 | 2 | 2 | 0 | 0 | 4 |
379 | Telephonic Communications | 0 | 0 | 2 | 1 | 1 | 4 |
381 | Electrical Audio Signal Processing Systems and Devices | 0 | 0 | 2 | 1 | 1 | 4 |
428 | Stock Material or Miscellaneous Articles | 1 | 0 | 1 | 2 | 0 | 4 |
505 | Superconductor Technology: Apparatus, Material, Process | 0 | 2 | 1 | 0 | 1 | 4 |
008 | Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers | 0 | 1 | 2 | 0 | 0 | 3 |
016 | Miscellaneous Hardware | 2 | 0 | 0 | 0 | 1 | 3 |
033 | Geometrical Instruments | 0 | 1 | 0 | 1 | 1 | 3 |
062 | Refrigeration | 0 | 0 | 1 | 2 | 0 | 3 |
123 | Internal-Combustion Engines | 0 | 1 | 2 | 0 | 0 | 3 |
156 | Adhesive Bonding and Miscellaneous Chemical Manufacture | 1 | 1 | 0 | 0 | 1 | 3 |
205 | Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions | 0 | 0 | 2 | 0 | 1 | 3 |
206 | Special Receptacle or Package | 1 | 0 | 0 | 1 | 1 | 3 |
210 | Liquid Purification or Separation | 0 | 1 | 0 | 1 | 1 | 3 |
248 | Supports (e.g., for holding articles, etc.) | 0 | 0 | 1 | 1 | 1 | 3 |
264 | Plastic and Nonmetallic Article Shaping or Treating: Processes | 0 | 1 | 0 | 2 | 0 | 3 |
333 | Wave Transmission Lines and Networks | 0 | 1 | 1 | 0 | 1 | 3 |
345 | Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems | 0 | 1 | 0 | 1 | 1 | 3 |
375 | Pulse or Digital Communications | 0 | 1 | 1 | 0 | 1 | 3 |
392 | Electric Resistance Heating Devices | 0 | 0 | 1 | 1 | 1 | 3 |
449 | Bee Culture (propagating, raising, caring for bees) | 0 | 2 | 1 | 0 | 0 | 3 |
451 | Abrading | 0 | 0 | 1 | 2 | 0 | 3 |
452 | Butchering | 0 | 1 | 1 | 0 | 1 | 3 |
501 | Compositions: Ceramic | 0 | 0 | 2 | 0 | 1 | 3 |
530 | Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof | 0 | 1 | 0 | 0 | 2 | 3 |
702 | DP: Measuring, Calibrating, or Testing (Data Processing) | 0 | 0 | 1 | 0 | 2 | 3 |
707 | DP: Database and File Management, Data Structures, Or Document Processing (Data Processing) | 0 | 0 | 2 | 0 | 1 | 3 |
024 | Buckles, Buttons, Clasps, Etc. | 1 | 1 | 0 | 0 | 0 | 2 |
047 | Plant Husbandry | 1 | 0 | 0 | 1 | 0 | 2 |
053 | Package Making | 0 | 1 | 0 | 1 | 0 | 2 |
060 | Power Plants | 0 | 1 | 0 | 1 | 0 | 2 |
070 | Locks | 0 | 2 | 0 | 0 | 0 | 2 |
074 | Machine Element or Mechanism | 0 | 0 | 1 | 1 | 0 | 2 |
112 | Sewing | 0 | 1 | 0 | 0 | 1 | 2 |
135 | Tent, Canopy, Umbrella, or Cane | 0 | 1 | 0 | 1 | 0 | 2 |
141 | Fluent Material Handling, with Receiver or Receiver Coacting Means | 0 | 0 | 0 | 2 | 0 | 2 |
172 | Earth Working | 0 | 2 | 0 | 0 | 0 | 2 |
177 | Weighing Scales | 0 | 0 | 1 | 1 | 0 | 2 |
204 | Chemistry: Electrical and Wave Energy | 0 | 0 | 1 | 1 | 0 | 2 |
219 | Electric Heating | 0 | 0 | 0 | 0 | 2 | 2 |
241 | Solid Material Comminution or Disintegration | 0 | 1 | 0 | 1 | 0 | 2 |
256 | Fences | 0 | 0 | 0 | 1 | 1 | 2 |
283 | Printed Matter | 0 | 1 | 1 | 0 | 0 | 2 |
285 | Pipe Joints or Couplings | 0 | 1 | 0 | 1 | 0 | 2 |
292 | Closure Fasteners | 0 | 0 | 0 | 2 | 0 | 2 |
297 | Chairs and Seats | 0 | 0 | 1 | 0 | 1 | 2 |
323 | Electricity: Power Supply or Regulation Systems | 0 | 0 | 0 | 2 | 0 | 2 |
358 | Facsimile and Static Presentation Processing | 0 | 1 | 0 | 0 | 1 | 2 |
359 | Optics: Systems (Including Communication) and Elements | 0 | 0 | 1 | 1 | 0 | 2 |
363 | Electric Power Conversion Systems | 0 | 0 | 1 | 1 | 0 | 2 |
440 | Marine Propulsion | 1 | 1 | 0 | 0 | 0 | 2 |
454 | Ventilation | 1 | 0 | 0 | 1 | 0 | 2 |
472 | Amusement Devices | 0 | 0 | 1 | 0 | 1 | 2 |
493 | Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web | 0 | 1 | 1 | 0 | 0 | 2 |
504 | Plant Protecting and Regulating Compositions | 0 | 0 | 2 | 0 | 0 | 2 |
604 | Surgery (Medicators and Receptors) | 0 | 0 | 1 | 0 | 1 | 2 |
701 | DP: Vehicles, Navigation, and Relative Location (Data Processing) | 0 | 0 | 1 | 1 | 0 | 2 |
705 | DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) | 0 | 0 | 1 | 1 | 0 | 2 |
001 | ** Classification Undetermined ** | 0 | 0 | 1 | 0 | 0 | 1 |
002 | Apparel | 0 | 0 | 0 | 0 | 1 | 1 |
015 | Brushing, Scrubbing, and General Cleaning | 0 | 0 | 1 | 0 | 0 | 1 |
029 | Metal Working | 0 | 0 | 1 | 0 | 0 | 1 |
030 | Cutlery | 0 | 0 | 0 | 1 | 0 | 1 |
034 | Drying and Gas or Vapor Contact with Solids | 0 | 1 | 0 | 0 | 0 | 1 |
037 | Excavating | 0 | 0 | 0 | 0 | 1 | 1 |
043 | Fishing, Trapping, and Vermin Destroying | 0 | 0 | 0 | 1 | 0 | 1 |
051 | Abrasive Tool Making Process, Material, or Composition | 1 | 0 | 0 | 0 | 0 | 1 |
056 | Harvesters | 1 | 0 | 0 | 0 | 0 | 1 |
057 | Textiles: Spinning, Twisting, and Twining | 0 | 0 | 1 | 0 | 0 | 1 |
072 | Metal Deforming | 0 | 0 | 0 | 1 | 0 | 1 |
081 | Tools | 0 | 0 | 1 | 0 | 0 | 1 |
083 | Cutting | 1 | 0 | 0 | 0 | 0 | 1 |
092 | Expansible Chamber Devices | 0 | 1 | 0 | 0 | 0 | 1 |
099 | Foods and Beverages: Apparatus | 0 | 1 | 0 | 0 | 0 | 1 |
101 | Printing | 0 | 0 | 0 | 1 | 0 | 1 |
102 | Ammunition and Explosives | 0 | 0 | 0 | 0 | 1 | 1 |
132 | Toilet | 0 | 0 | 0 | 1 | 0 | 1 |
136 | Batteries: Thermoelectric and Photoelectric | 0 | 0 | 0 | 0 | 1 | 1 |
139 | Textiles: Weaving | 0 | 0 | 1 | 0 | 0 | 1 |
142 | Wood Turning | 0 | 0 | 1 | 0 | 0 | 1 |
162 | Paper Making and Fiber Liberation | 0 | 0 | 1 | 0 | 0 | 1 |
165 | Heat Exchange | 0 | 0 | 1 | 0 | 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 |
180 | Motor Vehicles | 1 | 0 | 0 | 0 | 0 | 1 |
182 | Fire Escape, Ladder, or Scaffold | 1 | 0 | 0 | 0 | 0 | 1 |
188 | Brakes | 0 | 0 | 0 | 0 | 1 | 1 |
191 | Electricity: Transmission To Vehicles | 0 | 0 | 1 | 0 | 0 | 1 |
200 | Electricity: Circuit Makers and Breakers | 0 | 1 | 0 | 0 | 0 | 1 |
211 | Supports: Racks | 0 | 0 | 1 | 0 | 0 | 1 |
221 | Article Dispensing | 0 | 0 | 0 | 1 | 0 | 1 |
224 | Package and Article Carriers | 0 | 0 | 1 | 0 | 0 | 1 |
250 | Radiant Energy | 0 | 0 | 0 | 0 | 1 | 1 |
251 | Valves and Valve Actuation | 0 | 0 | 1 | 0 | 0 | 1 |
267 | Spring Devices | 0 | 1 | 0 | 0 | 0 | 1 |
294 | Handling: Hand and Hoist-Line Implements | 0 | 0 | 0 | 1 | 0 | 1 |
312 | Supports: Cabinet Structure | 0 | 0 | 1 | 0 | 0 | 1 |
324 | Electricity: Measuring and Testing | 0 | 1 | 0 | 0 | 0 | 1 |
327 | Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems | 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 | 0 | 0 | 1 | 1 |
348 | Television | 0 | 0 | 0 | 0 | 1 | 1 |
356 | Optics: Measuring and Testing | 0 | 0 | 0 | 1 | 0 | 1 |
360 | Dynamic Magnetic Information Storage or Retrieval | 1 | 0 | 0 | 0 | 0 | 1 |
362 | Illumination | 0 | 0 | 0 | 0 | 1 | 1 |
368 | Horology: Time Measuring Systems or Devices | 1 | 0 | 0 | 0 | 0 | 1 |
370 | Multiplex Communications | 0 | 0 | 1 | 0 | 0 | 1 |
378 | X-Ray or Gamma Ray Systems or Devices | 0 | 1 | 0 | 0 | 0 | 1 |
380 | Cryptography | 0 | 0 | 1 | 0 | 0 | 1 |
383 | Flexible Bags | 0 | 0 | 1 | 0 | 0 | 1 |
401 | Coating Implements with Material Supply | 0 | 0 | 0 | 1 | 0 | 1 |
411 | Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener | 0 | 0 | 0 | 1 | 0 | 1 |
414 | Material or Article Handling | 0 | 0 | 0 | 0 | 1 | 1 |
416 | Fluid Reaction Surfaces (i.e., Impellers) | 0 | 0 | 0 | 0 | 1 | 1 |
417 | Pumps | 0 | 0 | 0 | 0 | 1 | 1 |
418 | Rotary Expansible Chamber Devices | 0 | 1 | 0 | 0 | 0 | 1 |
422 | Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing | 1 | 0 | 0 | 0 | 0 | 1 |
423 | Chemistry of Inorganic Compounds | 0 | 1 | 0 | 0 | 0 | 1 |
429 | Chemistry: Electrical Current Producing Apparatus, Product, and Process | 0 | 0 | 0 | 1 | 0 | 1 |
438 | Semiconductor Device Manufacturing: Process | 0 | 0 | 0 | 0 | 1 | 1 |
439 | Electrical Connectors | 0 | 0 | 0 | 1 | 0 | 1 |
441 | Buoys, Rafts, and Aquatic Devices | 0 | 0 | 0 | 0 | 1 | 1 |
446 | Amusement Devices: Toys | 0 | 0 | 0 | 0 | 1 | 1 |
455 | Telecommunications | 0 | 0 | 1 | 0 | 0 | 1 |
473 | Games Using Tangible Projectile | 0 | 0 | 0 | 0 | 1 | 1 |
494 | Imperforate Bowl: Centrifugal Separators | 0 | 0 | 1 | 0 | 0 | 1 |
585 | Chemistry of Hydrocarbon Compounds | 0 | 0 | 1 | 0 | 0 | 1 |
606 | Surgery (instruments) | 0 | 0 | 0 | 0 | 1 | 1 |
623 | Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor | 0 | 0 | 0 | 0 | 1 | 1 |
703 | DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) | 0 | 0 | 0 | 1 | 0 | 1 |
717 | DP: Software Development, Installation, and Management (Data Processing) | 0 | 0 | 0 | 1 | 0 | 1 |
ALL | ALL CLASSES | 52 | 85 | 114 | 114 | 107 | 472 |
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/