U.S. PATENT AND TRADEMARK OFFICE Information Products Division Technology Assessment and Forecast (TAF) Branch |
Class | Class Title | 1996 | 1997 | 1998 | 1999 | 2000 | Total |
203 | Distillation: Processes, Separatory | 2 | 7 | 19 | 11 | 7 | 46 |
424 | Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) | 4 | 6 | 3 | 2 | 2 | 17 |
224 | Package and Article Carriers | 4 | 1 | 4 | 5 | 2 | 16 |
210 | Liquid Purification or Separation | 3 | 4 | 0 | 7 | 1 | 15 |
414 | Material or Article Handling | 5 | 2 | 2 | 3 | 3 | 15 |
435 | Chemistry: Molecular Biology and Microbiology | 4 | 0 | 3 | 6 | 2 | 15 |
134 | Cleaning and Liquid Contact with Solids | 4 | 0 | 1 | 3 | 3 | 11 |
030 | Cutlery | 1 | 3 | 2 | 2 | 2 | 10 |
156 | Adhesive Bonding and Miscellaneous Chemical Manufacture | 2 | 2 | 2 | 3 | 1 | 10 |
052 | Static Structures (e.g., Buildings) | 3 | 1 | 4 | 0 | 1 | 9 |
280 | Land Vehicles | 1 | 1 | 0 | 5 | 2 | 9 |
002 | Apparel | 0 | 1 | 2 | 2 | 3 | 8 |
206 | Special Receptacle or Package | 1 | 0 | 5 | 2 | 0 | 8 |
455 | Telecommunications | 2 | 2 | 1 | 3 | 0 | 8 |
005 | Beds | 1 | 1 | 2 | 3 | 0 | 7 |
024 | Buckles, Buttons, Clasps, Etc. | 1 | 0 | 1 | 3 | 2 | 7 |
034 | Drying and Gas or Vapor Contact with Solids | 2 | 2 | 2 | 1 | 0 | 7 |
043 | Fishing, Trapping, and Vermin Destroying | 3 | 2 | 1 | 1 | 0 | 7 |
182 | Fire Escape, Ladder, or Scaffold | 0 | 1 | 2 | 1 | 3 | 7 |
432 | Heating | 1 | 0 | 1 | 3 | 2 | 7 |
473 | Games Using Tangible Projectile | 3 | 1 | 1 | 1 | 1 | 7 |
482 | Exercise Devices | 1 | 0 | 1 | 1 | 4 | 7 |
532 | Organic Compounds (includes Classes 532-570) | 0 | 3 | 3 | 0 | 1 | 7 |
606 | Surgery (instruments) | 0 | 1 | 2 | 2 | 2 | 7 |
033 | Geometrical Instruments | 1 | 1 | 2 | 1 | 1 | 6 |
273 | Amusement Devices: Games | 3 | 0 | 0 | 0 | 3 | 6 |
294 | Handling: Hand and Hoist-Line Implements | 1 | 1 | 1 | 3 | 0 | 6 |
438 | Semiconductor Device Manufacturing: Process | 2 | 0 | 0 | 1 | 3 | 6 |
602 | Surgery: Splint, Brace, or Bandage | 1 | 1 | 2 | 1 | 1 | 6 |
106 | Compositions: Coating or Plastic | 1 | 0 | 3 | 0 | 1 | 5 |
128 | Surgery (includes Class 600) | 2 | 0 | 0 | 1 | 2 | 5 |
137 | Fluid Handling | 0 | 2 | 1 | 1 | 1 | 5 |
204 | Chemistry: Electrical and Wave Energy | 0 | 0 | 0 | 2 | 3 | 5 |
248 | Supports (e.g., for holding articles, etc.) | 0 | 1 | 0 | 2 | 2 | 5 |
340 | Communications: Electrical | 0 | 1 | 1 | 2 | 1 | 5 |
359 | Optics: Systems (Including Communication) and Elements | 1 | 2 | 2 | 0 | 0 | 5 |
375 | Pulse or Digital Communications | 0 | 0 | 3 | 1 | 1 | 5 |
623 | Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor | 2 | 1 | 1 | 1 | 0 | 5 |
015 | Brushing, Scrubbing, and General Cleaning | 0 | 0 | 3 | 1 | 0 | 4 |
073 | Measuring and Testing | 0 | 1 | 1 | 2 | 0 | 4 |
081 | Tools | 1 | 1 | 2 | 0 | 0 | 4 |
124 | Mechanical Guns and Projectors | 1 | 1 | 0 | 0 | 2 | 4 |
126 | Stoves and Furnaces | 1 | 2 | 1 | 0 | 0 | 4 |
242 | Winding, Tensioning, or Guiding | 1 | 1 | 2 | 0 | 0 | 4 |
250 | Radiant Energy | 1 | 1 | 2 | 0 | 0 | 4 |
297 | Chairs and Seats | 1 | 0 | 1 | 0 | 2 | 4 |
004 | Baths, Closets, Sinks, and Spittoons | 0 | 0 | 1 | 0 | 2 | 3 |
042 | Firearms | 1 | 2 | 0 | 0 | 0 | 3 |
044 | Fuel and Related Compositions | 0 | 1 | 0 | 1 | 1 | 3 |
056 | Harvesters | 2 | 0 | 0 | 1 | 0 | 3 |
083 | Cutting | 1 | 0 | 1 | 1 | 0 | 3 |
135 | Tent, Canopy, Umbrella, or Cane | 2 | 0 | 1 | 0 | 0 | 3 |
144 | Woodworking | 0 | 0 | 1 | 0 | 2 | 3 |
168 | Farriery | 1 | 0 | 2 | 0 | 0 | 3 |
211 | Supports: Racks | 1 | 1 | 0 | 1 | 0 | 3 |
219 | Electric Heating | 0 | 1 | 1 | 0 | 1 | 3 |
241 | Solid Material Comminution or Disintegration | 0 | 0 | 1 | 0 | 2 | 3 |
256 | Fences | 0 | 1 | 0 | 1 | 1 | 3 |
264 | Plastic and Nonmetallic Article Shaping or Treating: Processes | 1 | 1 | 0 | 0 | 1 | 3 |
296 | Land Vehicles: Bodies and Tops | 1 | 0 | 1 | 0 | 1 | 3 |
342 | Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) | 0 | 0 | 0 | 2 | 1 | 3 |
356 | Optics: Measuring and Testing | 0 | 2 | 0 | 0 | 1 | 3 |
405 | Hydraulic and Earth Engineering | 1 | 0 | 0 | 2 | 0 | 3 |
422 | Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing | 0 | 0 | 0 | 2 | 1 | 3 |
428 | Stock Material or Miscellaneous Articles | 1 | 1 | 0 | 0 | 1 | 3 |
530 | Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof | 0 | 0 | 1 | 1 | 1 | 3 |
800 | Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes | 0 | 1 | 1 | 0 | 1 | 3 |
016 | Miscellaneous Hardware | 2 | 0 | 0 | 0 | 0 | 2 |
029 | Metal Working | 0 | 1 | 0 | 1 | 0 | 2 |
037 | Excavating | 1 | 0 | 0 | 0 | 1 | 2 |
070 | Locks | 0 | 1 | 0 | 0 | 1 | 2 |
075 | Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures | 0 | 1 | 0 | 1 | 0 | 2 |
076 | Metal Tools and Implements, Making | 1 | 1 | 0 | 0 | 0 | 2 |
108 | Horizontally Supported Planar Surfaces | 2 | 0 | 0 | 0 | 0 | 2 |
114 | Ships | 0 | 0 | 0 | 1 | 1 | 2 |
118 | Coating Apparatus | 0 | 1 | 0 | 0 | 1 | 2 |
119 | Animal Husbandry | 0 | 0 | 1 | 1 | 0 | 2 |
141 | Fluent Material Handling, with Receiver or Receiver Coacting Means | 1 | 0 | 0 | 0 | 1 | 2 |
160 | Flexible or Portable Closure, Partition, or Panel | 0 | 0 | 1 | 0 | 1 | 2 |
175 | Boring or Penetrating the Earth | 0 | 0 | 0 | 0 | 2 | 2 |
180 | Motor Vehicles | 0 | 0 | 1 | 1 | 0 | 2 |
188 | Brakes | 1 | 1 | 0 | 0 | 0 | 2 |
205 | Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions | 0 | 0 | 0 | 1 | 1 | 2 |
222 | Dispensing (apparatus and process) | 1 | 0 | 1 | 0 | 0 | 2 |
239 | Fluid Sprinkling, Spraying, and Diffusing | 0 | 0 | 0 | 1 | 1 | 2 |
254 | Implements or Apparatus for Applying Pushing or Pulling Force | 0 | 1 | 0 | 0 | 1 | 2 |
283 | Printed Matter | 0 | 0 | 0 | 1 | 1 | 2 |
285 | Pipe Joints or Couplings | 1 | 0 | 0 | 1 | 0 | 2 |
289 | Knots and Knot Tying | 0 | 0 | 1 | 1 | 0 | 2 |
292 | Closure Fasteners | 0 | 0 | 1 | 1 | 0 | 2 |
351 | Optics: Eye Examining, Vision Testing and Correcting | 0 | 0 | 1 | 0 | 1 | 2 |
363 | Electric Power Conversion Systems | 1 | 1 | 0 | 0 | 0 | 2 |
408 | Cutting by Use of Rotating Axially Moving Tool | 0 | 0 | 1 | 1 | 0 | 2 |
411 | Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener | 1 | 0 | 0 | 1 | 0 | 2 |
425 | Plastic Article or Earthenware Shaping or Treating: Apparatus | 1 | 0 | 1 | 0 | 0 | 2 |
426 | Food or Edible Material: Processes, Compositions, and Products | 0 | 0 | 1 | 0 | 1 | 2 |
433 | Dentistry | 1 | 1 | 0 | 0 | 0 | 2 |
463 | Amusement Devices: Games | 1 | 0 | 1 | 0 | 0 | 2 |
520 | Synthetic Resins or Natural Rubbers (includes Classes 520-528) | 0 | 0 | 1 | 0 | 1 | 2 |
604 | Surgery (Medicators and Receptors) | 0 | 0 | 0 | 2 | 0 | 2 |
607 | Surgery: Light, Thermal, and Electrical Application | 1 | 0 | 1 | 0 | 0 | 2 |
709 | Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) | 0 | 0 | 0 | 1 | 1 | 2 |
713 | Support (Electrical Computers and Digital Processing Systems) | 1 | 1 | 0 | 0 | 0 | 2 |
036 | Boots, Shoes, and Leggings | 1 | 0 | 0 | 0 | 0 | 1 |
040 | Card, Picture, or Sign Exhibiting | 0 | 0 | 1 | 0 | 0 | 1 |
054 | Harness (for animals) | 0 | 0 | 1 | 0 | 0 | 1 |
074 | Machine Element or Mechanism | 0 | 1 | 0 | 0 | 0 | 1 |
084 | Music | 0 | 0 | 0 | 0 | 1 | 1 |
089 | Ordnance | 0 | 0 | 1 | 0 | 0 | 1 |
092 | Expansible Chamber Devices | 1 | 0 | 0 | 0 | 0 | 1 |
099 | Foods and Beverages: Apparatus | 0 | 0 | 0 | 1 | 0 | 1 |
100 | Presses | 1 | 0 | 0 | 0 | 0 | 1 |
111 | Planting | 0 | 1 | 0 | 0 | 0 | 1 |
112 | Sewing | 0 | 0 | 0 | 1 | 0 | 1 |
127 | Sugar, Starch, and Carbohydrates | 0 | 0 | 0 | 1 | 0 | 1 |
132 | Toilet | 0 | 0 | 0 | 0 | 1 | 1 |
136 | Batteries: Thermoelectric and Photoelectric | 1 | 0 | 0 | 0 | 0 | 1 |
140 | Wireworking | 1 | 0 | 0 | 0 | 0 | 1 |
148 | Metal Treatment | 0 | 0 | 0 | 1 | 0 | 1 |
172 | Earth Working | 1 | 0 | 0 | 0 | 0 | 1 |
177 | Weighing Scales | 0 | 0 | 0 | 0 | 1 | 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 | 1 | 0 | 0 | 0 | 0 | 1 |
209 | Classifying, Separating, and Assorting Solids | 0 | 0 | 0 | 0 | 1 | 1 |
216 | Etching a Substrate: Processes | 0 | 0 | 0 | 0 | 1 | 1 |
220 | Receptacles | 0 | 0 | 0 | 1 | 0 | 1 |
227 | Elongated-Member-Driving Apparatus | 0 | 0 | 1 | 0 | 0 | 1 |
228 | Metal Fusion Bonding | 0 | 0 | 1 | 0 | 0 | 1 |
244 | Aeronautics | 0 | 0 | 1 | 0 | 0 | 1 |
261 | Gas and Liquid Contact Apparatus | 0 | 0 | 1 | 0 | 0 | 1 |
279 | Chucks or Sockets | 0 | 0 | 0 | 1 | 0 | 1 |
299 | Mining or In Situ Disintegration of Hard Material | 0 | 1 | 0 | 0 | 0 | 1 |
307 | Electrical Transmission or Interconnection Systems | 0 | 0 | 1 | 0 | 0 | 1 |
310 | Electrical Generator or Motor Structure | 0 | 0 | 1 | 0 | 0 | 1 |
324 | Electricity: Measuring and Testing | 0 | 0 | 0 | 0 | 1 | 1 |
345 | Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems | 1 | 0 | 0 | 0 | 0 | 1 |
346 | Recorders | 0 | 0 | 0 | 1 | 0 | 1 |
349 | Liquid Crystal Cells, Elements and Systems | 0 | 0 | 1 | 0 | 0 | 1 |
361 | Electricity: Electrical Systems and Devices | 0 | 0 | 1 | 0 | 0 | 1 |
370 | Multiplex Communications | 0 | 1 | 0 | 0 | 0 | 1 |
372 | Coherent Light Generators | 0 | 0 | 0 | 0 | 1 | 1 |
379 | Telephonic Communications | 0 | 1 | 0 | 0 | 0 | 1 |
396 | Photography | 0 | 0 | 1 | 0 | 0 | 1 |
404 | Road Structure, Process, or Apparatus | 0 | 1 | 0 | 0 | 0 | 1 |
410 | Freight Accommodation On Freight Carrier | 0 | 0 | 1 | 0 | 0 | 1 |
418 | Rotary Expansible Chamber Devices | 0 | 0 | 0 | 0 | 1 | 1 |
423 | Chemistry of Inorganic Compounds | 0 | 0 | 0 | 0 | 1 | 1 |
427 | Coating Processes | 1 | 0 | 0 | 0 | 0 | 1 |
439 | Electrical Connectors | 0 | 1 | 0 | 0 | 0 | 1 |
440 | Marine Propulsion | 1 | 0 | 0 | 0 | 0 | 1 |
446 | Amusement Devices: Toys | 1 | 0 | 0 | 0 | 0 | 1 |
451 | Abrading | 0 | 1 | 0 | 0 | 0 | 1 |
454 | Ventilation | 0 | 0 | 0 | 0 | 1 | 1 |
460 | Crop Threshing or Separating | 0 | 0 | 1 | 0 | 0 | 1 |
474 | Endless Belt Power Transmission Systems or Components | 0 | 0 | 0 | 0 | 1 | 1 |
504 | Plant Protecting and Regulating Compositions | 1 | 0 | 0 | 0 | 0 | 1 |
508 | Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions | 0 | 0 | 0 | 1 | 0 | 1 |
588 | Hazardous or Toxic Waste Destruction or Containment | 0 | 0 | 0 | 1 | 0 | 1 |
700 | DP: Generic Control Systems or Specific Applications (Data Processing) | 0 | 0 | 0 | 0 | 1 | 1 |
714 | Error Detection/Correction and Fault Detection/Recovery | 0 | 0 | 0 | 0 | 1 | 1 |
725 | Interactive Video Distribution Systems | 1 | 0 | 0 | 0 | 0 | 1 |
ALL | ALL CLASSES | 110 | 88 | 130 | 126 | 114 | 568 |
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/