518 |
Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof |
5 |
4 |
1 |
1 |
4 |
15 |
340 |
Communications: Electrical |
1 |
4 |
3 |
3 |
3 |
14 |
210 |
Liquid Purification or Separation |
1 |
2 |
5 |
4 |
1 |
13 |
423 |
Chemistry of Inorganic Compounds |
3 |
0 |
6 |
1 |
2 |
12 |
424 |
Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) |
1 |
2 |
3 |
4 |
1 |
11 |
241 |
Solid Material Comminution or Disintegration |
2 |
1 |
3 |
1 |
3 |
10 |
015 |
Brushing, Scrubbing, and General Cleaning |
2 |
2 |
2 |
0 |
3 |
9 |
137 |
Fluid Handling |
2 |
2 |
0 |
3 |
2 |
9 |
502 |
Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making |
3 |
2 |
0 |
1 |
3 |
9 |
075 |
Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures |
4 |
2 |
2 |
0 |
0 |
8 |
209 |
Classifying, Separating, and Assorting Solids |
3 |
2 |
0 |
2 |
1 |
8 |
307 |
Electrical Transmission or Interconnection Systems |
0 |
0 |
4 |
1 |
2 |
7 |
604 |
Surgery (Medicators and Receptors) |
1 |
0 |
4 |
2 |
0 |
7 |
585 |
Chemistry of Hydrocarbon Compounds |
0 |
1 |
0 |
3 |
2 |
6 |
623 |
Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor |
2 |
1 |
2 |
0 |
1 |
6 |
051 |
Abrasive Tool Making Process, Material, or Composition |
0 |
3 |
2 |
0 |
0 |
5 |
073 |
Measuring and Testing |
3 |
0 |
1 |
0 |
1 |
5 |
208 |
Mineral Oils: Processes and Products |
0 |
1 |
0 |
3 |
1 |
5 |
223 |
Apparel Apparatus |
2 |
1 |
1 |
1 |
0 |
5 |
315 |
Electric Lamp and Discharge Devices: Systems |
1 |
1 |
0 |
1 |
2 |
5 |
439 |
Electrical Connectors |
0 |
3 |
2 |
0 |
0 |
5 |
451 |
Abrading |
2 |
0 |
2 |
0 |
1 |
5 |
713 |
Support (Electrical Computers and Digital Processing Systems) |
1 |
1 |
0 |
2 |
1 |
5 |
726 |
Information Security |
1 |
1 |
0 |
0 |
3 |
5 |
040 |
Card, Picture, or Sign Exhibiting |
1 |
1 |
0 |
0 |
2 |
4 |
102 |
Ammunition and Explosives |
1 |
0 |
2 |
0 |
1 |
4 |
128 |
Surgery (includes Class 600) |
1 |
1 |
1 |
1 |
0 |
4 |
198 |
Conveyors: Power-Driven |
2 |
1 |
0 |
0 |
1 |
4 |
280 |
Land Vehicles |
0 |
1 |
2 |
0 |
1 |
4 |
343 |
Communications: Radio Wave Antennas |
0 |
1 |
2 |
1 |
0 |
4 |
376 |
Induced Nuclear Reactions: Processes, Systems, and Elements |
0 |
1 |
2 |
1 |
0 |
4 |
435 |
Chemistry: Molecular Biology and Microbiology |
0 |
0 |
1 |
1 |
2 |
4 |
455 |
Telecommunications |
1 |
2 |
1 |
0 |
0 |
4 |
473 |
Games Using Tangible Projectile |
2 |
0 |
1 |
1 |
0 |
4 |
482 |
Exercise Devices |
0 |
0 |
2 |
1 |
1 |
4 |
532 |
Organic Compounds (includes Classes 532-570) |
3 |
0 |
0 |
1 |
0 |
4 |
004 |
Baths, Closets, Sinks, and Spittoons |
1 |
0 |
1 |
0 |
1 |
3 |
070 |
Locks |
0 |
1 |
0 |
2 |
0 |
3 |
099 |
Foods and Beverages: Apparatus |
0 |
1 |
0 |
0 |
2 |
3 |
126 |
Stoves and Furnaces |
1 |
2 |
0 |
0 |
0 |
3 |
141 |
Fluent Material Handling, with Receiver or Receiver Coacting Means |
2 |
0 |
1 |
0 |
0 |
3 |
173 |
Tool Driving or Impacting |
1 |
0 |
0 |
0 |
2 |
3 |
175 |
Boring or Penetrating the Earth |
0 |
0 |
2 |
1 |
0 |
3 |
220 |
Receptacles |
1 |
1 |
0 |
0 |
1 |
3 |
250 |
Radiant Energy |
0 |
0 |
0 |
2 |
1 |
3 |
251 |
Valves and Valve Actuation |
0 |
2 |
0 |
0 |
1 |
3 |
264 |
Plastic and Nonmetallic Article Shaping or Treating: Processes |
0 |
1 |
0 |
1 |
1 |
3 |
292 |
Closure Fasteners |
1 |
1 |
1 |
0 |
0 |
3 |
299 |
Mining or In Situ Disintegration of Hard Material |
1 |
1 |
0 |
0 |
1 |
3 |
404 |
Road Structure, Process, or Apparatus |
0 |
2 |
1 |
0 |
0 |
3 |
405 |
Hydraulic and Earth Engineering |
0 |
0 |
1 |
0 |
2 |
3 |
410 |
Freight Accommodation On Freight Carrier |
0 |
0 |
2 |
1 |
0 |
3 |
422 |
Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing |
0 |
1 |
1 |
1 |
0 |
3 |
428 |
Stock Material or Miscellaneous Articles |
0 |
0 |
3 |
0 |
0 |
3 |
429 |
Chemistry: Electrical Current Producing Apparatus, Product, and Process |
1 |
1 |
0 |
0 |
1 |
3 |
460 |
Crop Threshing or Separating |
1 |
1 |
1 |
0 |
0 |
3 |
520 |
Synthetic Resins or Natural Rubbers (includes Classes 520-528) |
0 |
0 |
0 |
2 |
1 |
3 |
606 |
Surgery (instruments) |
0 |
0 |
0 |
1 |
2 |
3 |
700 |
DP: Generic Control Systems or Specific Applications (Data Processing) |
2 |
0 |
1 |
0 |
0 |
3 |
707 |
DP: Database and File Management or Data Structures (Data Processing) |
0 |
0 |
1 |
0 |
2 |
3 |
030 |
Cutlery |
1 |
0 |
0 |
1 |
0 |
2 |
042 |
Firearms |
0 |
1 |
1 |
0 |
0 |
2 |
043 |
Fishing, Trapping, and Vermin Destroying |
0 |
0 |
1 |
0 |
1 |
2 |
048 |
Gas: Heating and Illuminating |
0 |
1 |
0 |
1 |
0 |
2 |
052 |
Static Structures (e.g., Buildings) |
0 |
1 |
0 |
1 |
0 |
2 |
089 |
Ordnance |
0 |
0 |
0 |
0 |
2 |
2 |
109 |
Safes, Bank Protection, or a Related Device |
0 |
1 |
0 |
1 |
0 |
2 |
116 |
Signals and Indicators |
0 |
0 |
1 |
0 |
1 |
2 |
119 |
Animal Husbandry |
0 |
1 |
1 |
0 |
0 |
2 |
127 |
Sugar, Starch, and Carbohydrates |
1 |
0 |
0 |
1 |
0 |
2 |
135 |
Tent, Canopy, Umbrella, or Cane |
1 |
1 |
0 |
0 |
0 |
2 |
162 |
Paper Making and Fiber Liberation |
1 |
0 |
0 |
1 |
0 |
2 |
164 |
Metal Founding |
1 |
0 |
0 |
1 |
0 |
2 |
204 |
Chemistry: Electrical and Wave Energy |
0 |
0 |
0 |
2 |
0 |
2 |
206 |
Special Receptacle or Package |
0 |
1 |
0 |
1 |
0 |
2 |
219 |
Electric Heating |
1 |
0 |
0 |
0 |
1 |
2 |
222 |
Dispensing (apparatus and process) |
0 |
0 |
1 |
0 |
1 |
2 |
236 |
Automatic Temperature and Humidity Regulation |
1 |
1 |
0 |
0 |
0 |
2 |
244 |
Aeronautics and Astronautics |
1 |
1 |
0 |
0 |
0 |
2 |
248 |
Supports (e.g., for holding articles, etc.) |
0 |
0 |
0 |
2 |
0 |
2 |
267 |
Spring Devices |
0 |
0 |
2 |
0 |
0 |
2 |
285 |
Pipe Joints or Couplings |
0 |
0 |
2 |
0 |
0 |
2 |
296 |
Land Vehicles: Bodies and Tops |
0 |
0 |
0 |
1 |
1 |
2 |
324 |
Electricity: Measuring and Testing |
0 |
0 |
1 |
0 |
1 |
2 |
331 |
Oscillators |
0 |
0 |
0 |
0 |
2 |
2 |
335 |
Electricity: Magnetically Operated Switches, Magnets, and Electromagnets |
1 |
0 |
0 |
0 |
1 |
2 |
345 |
Computer Graphics Processing and Selective Visual Display Systems |
1 |
0 |
0 |
1 |
0 |
2 |
360 |
Dynamic Magnetic Information Storage or Retrieval |
1 |
0 |
0 |
0 |
1 |
2 |
361 |
Electricity: Electrical Systems and Devices |
1 |
0 |
0 |
0 |
1 |
2 |
373 |
Industrial Electric Heating Furnaces |
1 |
0 |
1 |
0 |
0 |
2 |
378 |
X-Ray or Gamma Ray Systems or Devices |
1 |
1 |
0 |
0 |
0 |
2 |
380 |
Cryptography |
1 |
0 |
1 |
0 |
0 |
2 |
407 |
Cutters, for Shaping |
0 |
0 |
0 |
2 |
0 |
2 |
415 |
Rotary Kinetic Fluid Motors or Pumps |
0 |
0 |
0 |
2 |
0 |
2 |
426 |
Food or Edible Material: Processes, Compositions, and Products |
2 |
0 |
0 |
0 |
0 |
2 |
441 |
Buoys, Rafts, and Aquatic Devices |
0 |
0 |
1 |
0 |
1 |
2 |
463 |
Amusement Devices: Games |
0 |
1 |
0 |
1 |
0 |
2 |
474 |
Endless Belt Power Transmission Systems or Components |
0 |
0 |
1 |
1 |
0 |
2 |
475 |
Planetary Gear Transmission Systems or Components |
1 |
0 |
0 |
0 |
1 |
2 |
602 |
Surgery: Splint, Brace, or Bandage |
1 |
0 |
1 |
0 |
0 |
2 |
702 |
DP: Measuring, Calibrating, or Testing (Data Processing) |
0 |
0 |
2 |
0 |
0 |
2 |
705 |
DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) |
0 |
0 |
1 |
0 |
1 |
2 |
005 |
Beds |
1 |
0 |
0 |
0 |
0 |
1 |
023 |
Chemistry: Physical Processes |
0 |
0 |
1 |
0 |
0 |
1 |
024 |
Buckles, Buttons, Clasps, Etc. |
1 |
0 |
0 |
0 |
0 |
1 |
029 |
Metal Working |
0 |
0 |
0 |
1 |
0 |
1 |
034 |
Drying and Gas or Vapor Contact with Solids |
0 |
0 |
0 |
1 |
0 |
1 |
036 |
Boots, Shoes, and Leggings |
0 |
0 |
1 |
0 |
0 |
1 |
037 |
Excavating |
0 |
0 |
1 |
0 |
0 |
1 |
049 |
Movable or Removable Closures |
0 |
0 |
0 |
0 |
1 |
1 |
060 |
Power Plants |
0 |
1 |
0 |
0 |
0 |
1 |
062 |
Refrigeration |
0 |
0 |
1 |
0 |
0 |
1 |
066 |
Textiles: Knitting |
1 |
0 |
0 |
0 |
0 |
1 |
074 |
Machine Element or Mechanism |
0 |
0 |
1 |
0 |
0 |
1 |
076 |
Metal Tools and Implements, Making |
0 |
0 |
1 |
0 |
0 |
1 |
081 |
Tools |
1 |
0 |
0 |
0 |
0 |
1 |
083 |
Cutting |
0 |
0 |
1 |
0 |
0 |
1 |
096 |
Gas Separation: Apparatus |
0 |
0 |
0 |
1 |
0 |
1 |
108 |
Horizontally Supported Planar Surfaces |
0 |
0 |
0 |
1 |
0 |
1 |
110 |
Furnaces |
0 |
1 |
0 |
0 |
0 |
1 |
114 |
Ships |
0 |
0 |
0 |
0 |
1 |
1 |
117 |
Single-Crystal, Oriented-Crystal, and Epitaxy Growth Processes; Non-Coating Apparatus Therefor |
1 |
0 |
0 |
0 |
0 |
1 |
123 |
Internal-Combustion Engines |
1 |
0 |
0 |
0 |
0 |
1 |
131 |
Tobacco |
0 |
0 |
0 |
0 |
1 |
1 |
149 |
Explosive and Thermic Compositions or Charges |
0 |
1 |
0 |
0 |
0 |
1 |
156 |
Adhesive Bonding and Miscellaneous Chemical Manufacture |
0 |
0 |
1 |
0 |
0 |
1 |
165 |
Heat Exchange |
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 |
177 |
Weighing Scales |
0 |
0 |
0 |
1 |
0 |
1 |
180 |
Motor Vehicles |
0 |
0 |
0 |
0 |
1 |
1 |
181 |
Acoustics |
0 |
1 |
0 |
0 |
0 |
1 |
182 |
Fire Escape, Ladder, or Scaffold |
0 |
0 |
1 |
0 |
0 |
1 |
188 |
Brakes |
0 |
1 |
0 |
0 |
0 |
1 |
192 |
Clutches and Power-Stop Control |
0 |
0 |
0 |
0 |
1 |
1 |
193 |
Conveyors, Chutes, Skids, Guides, and Ways |
0 |
0 |
0 |
1 |
0 |
1 |
200 |
Electricity: Circuit Makers and Breakers |
0 |
1 |
0 |
0 |
0 |
1 |
202 |
Distillation: Apparatus |
0 |
0 |
1 |
0 |
0 |
1 |
221 |
Article Dispensing |
0 |
0 |
1 |
0 |
0 |
1 |
229 |
Envelopes, Wrappers, and Paperboard Boxes |
0 |
0 |
0 |
0 |
1 |
1 |
235 |
Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) |
1 |
0 |
0 |
0 |
0 |
1 |
238 |
Railways: Surface Track |
1 |
0 |
0 |
0 |
0 |
1 |
239 |
Fluid Sprinkling, Spraying, and Diffusing |
0 |
0 |
1 |
0 |
0 |
1 |
242 |
Winding, Tensioning, or Guiding |
0 |
0 |
0 |
1 |
0 |
1 |
249 |
Static Molds |
0 |
1 |
0 |
0 |
0 |
1 |
252 |
Compositions |
0 |
0 |
0 |
0 |
1 |
1 |
254 |
Implements or Apparatus for Applying Pushing or Pulling Force |
0 |
0 |
0 |
1 |
0 |
1 |
256 |
Fences |
0 |
0 |
0 |
0 |
1 |
1 |
261 |
Gas and Liquid Contact Apparatus |
0 |
0 |
1 |
0 |
0 |
1 |
269 |
Work Holders |
0 |
0 |
0 |
0 |
1 |
1 |
273 |
Amusement Devices: Games |
1 |
0 |
0 |
0 |
0 |
1 |
277 |
Seal for a Joint or Juncture |
1 |
0 |
0 |
0 |
0 |
1 |
290 |
Prime-Mover Dynamo Plants |
0 |
1 |
0 |
0 |
0 |
1 |
293 |
Vehicle Fenders |
1 |
0 |
0 |
0 |
0 |
1 |
297 |
Chairs and Seats |
0 |
1 |
0 |
0 |
0 |
1 |
320 |
Electricity: Battery or Capacitor Charging or Discharging |
0 |
0 |
1 |
0 |
0 |
1 |
327 |
Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems |
0 |
1 |
0 |
0 |
0 |
1 |
330 |
Amplifiers |
1 |
0 |
0 |
0 |
0 |
1 |
337 |
Electricity: Electrothermally or Thermally Actuated Switches |
0 |
0 |
1 |
0 |
0 |
1 |
351 |
Optics: Eye Examining, Vision Testing and Correcting |
0 |
1 |
0 |
0 |
0 |
1 |
359 |
Optical: Systems and Elements |
1 |
0 |
0 |
0 |
0 |
1 |
362 |
Illumination |
0 |
1 |
0 |
0 |
0 |
1 |
363 |
Electric Power Conversion Systems |
0 |
1 |
0 |
0 |
0 |
1 |
367 |
Communications, Electrical: Acoustic Wave Systems and Devices |
0 |
0 |
0 |
0 |
1 |
1 |
370 |
Multiplex Communications |
0 |
1 |
0 |
0 |
0 |
1 |
372 |
Coherent Light Generators |
0 |
0 |
1 |
0 |
0 |
1 |
374 |
Thermal Measuring and Testing |
1 |
0 |
0 |
0 |
0 |
1 |
375 |
Pulse or Digital Communications |
1 |
0 |
0 |
0 |
0 |
1 |
379 |
Telephonic Communications |
1 |
0 |
0 |
0 |
0 |
1 |
382 |
Image Analysis |
0 |
1 |
0 |
0 |
0 |
1 |
412 |
Bookbinding: Process and Apparatus |
0 |
0 |
0 |
0 |
1 |
1 |
419 |
Powder Metallurgy Processes |
0 |
1 |
0 |
0 |
0 |
1 |
425 |
Plastic Article or Earthenware Shaping or Treating: Apparatus |
0 |
0 |
0 |
1 |
0 |
1 |
432 |
Heating |
1 |
0 |
0 |
0 |
0 |
1 |
433 |
Dentistry |
0 |
0 |
1 |
0 |
0 |
1 |
454 |
Ventilation |
0 |
0 |
0 |
1 |
0 |
1 |
507 |
Earth Boring, Well Treating, and Oil Field Chemistry |
0 |
0 |
0 |
0 |
1 |
1 |
703 |
DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) |
0 |
1 |
0 |
0 |
0 |
1 |
709 |
Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) |
1 |
0 |
0 |
0 |
0 |
1 |
ALL |
ALL CLASSES |
100 |
87 |
109 |
82 |
91 |
469 |