520 |
Synthetic Resins or Natural Rubbers (includes Classes 520-528) |
48 |
27 |
21 |
26 |
36 |
158 |
532 |
Organic Compounds (includes Classes 532-570) |
31 |
30 |
5 |
18 |
10 |
94 |
428 |
Stock Material or Miscellaneous Articles |
4 |
3 |
5 |
10 |
1 |
23 |
424 |
Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) |
4 |
2 |
5 |
4 |
3 |
18 |
502 |
Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making |
1 |
4 |
7 |
2 |
3 |
17 |
128 |
Surgery (includes Class 600) |
4 |
1 |
5 |
2 |
4 |
16 |
198 |
Conveyors: Power-Driven |
1 |
3 |
3 |
2 |
3 |
12 |
414 |
Material or Article Handling |
3 |
5 |
1 |
1 |
2 |
12 |
252 |
Compositions |
2 |
3 |
6 |
0 |
0 |
11 |
210 |
Liquid Purification or Separation |
1 |
2 |
4 |
3 |
0 |
10 |
299 |
Mining or In Situ Disintegration of Hard Material |
2 |
3 |
2 |
2 |
1 |
10 |
280 |
Land Vehicles |
0 |
2 |
2 |
4 |
1 |
9 |
134 |
Cleaning and Liquid Contact with Solids |
2 |
1 |
0 |
3 |
2 |
8 |
137 |
Fluid Handling |
3 |
3 |
1 |
0 |
1 |
8 |
264 |
Plastic and Nonmetallic Article Shaping or Treating: Processes |
5 |
1 |
0 |
0 |
2 |
8 |
002 |
Apparel |
2 |
2 |
0 |
2 |
1 |
7 |
052 |
Static Structures (e.g., Buildings) |
2 |
0 |
3 |
0 |
2 |
7 |
174 |
Electricity: Conductors and Insulators |
1 |
0 |
2 |
3 |
1 |
7 |
381 |
Electrical Audio Signal Processing Systems and Devices |
6 |
0 |
0 |
0 |
1 |
7 |
073 |
Measuring and Testing |
0 |
1 |
2 |
0 |
3 |
6 |
081 |
Tools |
1 |
3 |
1 |
1 |
0 |
6 |
148 |
Metal Treatment |
1 |
1 |
1 |
2 |
1 |
6 |
427 |
Coating Processes |
1 |
1 |
1 |
2 |
1 |
6 |
029 |
Metal Working |
0 |
1 |
1 |
2 |
1 |
5 |
042 |
Firearms |
1 |
0 |
1 |
2 |
1 |
5 |
119 |
Animal Husbandry |
2 |
0 |
1 |
2 |
0 |
5 |
123 |
Internal-Combustion Engines |
0 |
0 |
0 |
2 |
3 |
5 |
166 |
Wells (shafts or deep borings in the earth, e.g., for oil and gas) |
0 |
0 |
0 |
0 |
5 |
5 |
175 |
Boring or Penetrating the Earth |
2 |
0 |
0 |
1 |
2 |
5 |
182 |
Fire Escape, Ladder, or Scaffold |
0 |
0 |
4 |
1 |
0 |
5 |
313 |
Electric Lamp and Discharge Devices |
2 |
1 |
1 |
1 |
0 |
5 |
420 |
Alloys or Metallic Compositions |
0 |
2 |
1 |
1 |
1 |
5 |
423 |
Chemistry of Inorganic Compounds |
2 |
1 |
0 |
1 |
1 |
5 |
473 |
Games Using Tangible Projectile |
0 |
1 |
1 |
1 |
2 |
5 |
606 |
Surgery (instruments) |
1 |
0 |
0 |
3 |
1 |
5 |
004 |
Baths, Closets, Sinks, and Spittoons |
1 |
0 |
0 |
1 |
2 |
4 |
015 |
Brushing, Scrubbing, and General Cleaning |
1 |
1 |
0 |
2 |
0 |
4 |
072 |
Metal Deforming |
1 |
1 |
1 |
1 |
0 |
4 |
075 |
Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures |
2 |
0 |
1 |
1 |
0 |
4 |
106 |
Compositions: Coating or Plastic |
0 |
0 |
1 |
1 |
2 |
4 |
156 |
Adhesive Bonding and Miscellaneous Chemical Manufacture |
2 |
0 |
1 |
0 |
1 |
4 |
220 |
Receptacles |
3 |
0 |
0 |
1 |
0 |
4 |
221 |
Article Dispensing |
1 |
0 |
2 |
1 |
0 |
4 |
222 |
Dispensing (apparatus and process) |
1 |
2 |
1 |
0 |
0 |
4 |
238 |
Railways: Surface Track |
0 |
1 |
0 |
2 |
1 |
4 |
296 |
Land Vehicles: Bodies and Tops |
1 |
0 |
1 |
1 |
1 |
4 |
340 |
Communications: Electrical |
0 |
1 |
1 |
2 |
0 |
4 |
370 |
Multiplex Communications |
0 |
1 |
2 |
0 |
1 |
4 |
404 |
Road Structure, Process, or Apparatus |
1 |
0 |
1 |
0 |
2 |
4 |
439 |
Electrical Connectors |
0 |
0 |
0 |
2 |
2 |
4 |
033 |
Geometrical Instruments |
0 |
1 |
0 |
1 |
1 |
3 |
037 |
Excavating |
1 |
0 |
0 |
2 |
0 |
3 |
060 |
Power Plants |
2 |
0 |
1 |
0 |
0 |
3 |
114 |
Ships |
0 |
0 |
2 |
1 |
0 |
3 |
144 |
Woodworking |
1 |
0 |
2 |
0 |
0 |
3 |
194 |
Check-Actuated Control Mechanisms |
1 |
0 |
1 |
1 |
0 |
3 |
206 |
Special Receptacle or Package |
2 |
0 |
0 |
0 |
1 |
3 |
239 |
Fluid Sprinkling, Spraying, and Diffusing |
0 |
0 |
2 |
0 |
1 |
3 |
254 |
Implements or Apparatus for Applying Pushing or Pulling Force |
1 |
0 |
0 |
1 |
1 |
3 |
273 |
Amusement Devices: Games |
1 |
0 |
1 |
1 |
0 |
3 |
362 |
Illumination |
0 |
2 |
0 |
1 |
0 |
3 |
429 |
Chemistry: Electrical Current Producing Apparatus, Product, and Process |
0 |
0 |
1 |
0 |
2 |
3 |
504 |
Plant Protecting and Regulating Compositions |
0 |
0 |
2 |
1 |
0 |
3 |
508 |
Solid Anti-Friction Devices, Materials Therefor, Lubricant or Separate Compositions for Moving Solid Surfaces, and Miscellaneous Mineral Oil Compositions |
2 |
0 |
1 |
0 |
0 |
3 |
516 |
Colloid Systems and Wetting Agents, Subcombinations Thereof, Processes of Making, Stabilizing, Breaking, or Inhibiting |
1 |
1 |
0 |
0 |
1 |
3 |
707 |
DP: Database and File Management or Data Structures (Data Processing) |
0 |
1 |
1 |
0 |
1 |
3 |
725 |
Interactive Video Distribution Systems |
2 |
0 |
1 |
0 |
0 |
3 |
005 |
Beds |
1 |
0 |
1 |
0 |
0 |
2 |
008 |
Bleaching and Dyeing; Fluid Treatment and Chemical Modification of Textiles and Fibers |
1 |
0 |
1 |
0 |
0 |
2 |
036 |
Boots, Shoes, and Leggings |
0 |
1 |
0 |
0 |
1 |
2 |
043 |
Fishing, Trapping, and Vermin Destroying |
0 |
0 |
0 |
0 |
2 |
2 |
049 |
Movable or Removable Closures |
0 |
0 |
1 |
1 |
0 |
2 |
055 |
Gas Separation |
0 |
0 |
1 |
1 |
0 |
2 |
070 |
Locks |
1 |
1 |
0 |
0 |
0 |
2 |
095 |
Gas Separation: Processes |
1 |
0 |
1 |
0 |
0 |
2 |
099 |
Foods and Beverages: Apparatus |
0 |
0 |
0 |
1 |
1 |
2 |
104 |
Railways |
0 |
0 |
0 |
0 |
2 |
2 |
124 |
Mechanical Guns and Projectors |
0 |
0 |
2 |
0 |
0 |
2 |
136 |
Batteries: Thermoelectric and Photoelectric |
0 |
0 |
1 |
0 |
1 |
2 |
141 |
Fluent Material Handling, with Receiver or Receiver Coacting Means |
0 |
0 |
2 |
0 |
0 |
2 |
162 |
Paper Making and Fiber Liberation |
0 |
0 |
0 |
1 |
1 |
2 |
165 |
Heat Exchange |
0 |
0 |
0 |
1 |
1 |
2 |
188 |
Brakes |
0 |
0 |
0 |
1 |
1 |
2 |
204 |
Chemistry: Electrical and Wave Energy |
1 |
0 |
1 |
0 |
0 |
2 |
219 |
Electric Heating |
0 |
0 |
1 |
0 |
1 |
2 |
224 |
Package and Article Carriers |
0 |
1 |
1 |
0 |
0 |
2 |
244 |
Aeronautics |
0 |
0 |
0 |
1 |
1 |
2 |
248 |
Supports (e.g., for holding articles, etc.) |
0 |
2 |
0 |
0 |
0 |
2 |
250 |
Radiant Energy |
1 |
1 |
0 |
0 |
0 |
2 |
256 |
Fences |
1 |
0 |
1 |
0 |
0 |
2 |
261 |
Gas and Liquid Contact Apparatus |
0 |
2 |
0 |
0 |
0 |
2 |
290 |
Prime-Mover Dynamo Plants |
0 |
0 |
0 |
0 |
2 |
2 |
294 |
Handling: Hand and Hoist-Line Implements |
0 |
1 |
0 |
1 |
0 |
2 |
312 |
Supports: Cabinet Structure |
0 |
1 |
0 |
0 |
1 |
2 |
343 |
Communications: Radio Wave Antennas |
0 |
0 |
0 |
1 |
1 |
2 |
345 |
Computer Graphics Processing, Operator Interface Processing, and Selective Visual Display Systems |
1 |
0 |
1 |
0 |
0 |
2 |
417 |
Pumps |
1 |
0 |
0 |
0 |
1 |
2 |
425 |
Plastic Article or Earthenware Shaping or Treating: Apparatus |
0 |
0 |
0 |
1 |
1 |
2 |
431 |
Combustion |
1 |
0 |
1 |
0 |
0 |
2 |
435 |
Chemistry: Molecular Biology and Microbiology |
1 |
1 |
0 |
0 |
0 |
2 |
436 |
Chemistry: Analytical and Immunological Testing |
0 |
1 |
0 |
0 |
1 |
2 |
446 |
Amusement Devices: Toys |
0 |
2 |
0 |
0 |
0 |
2 |
455 |
Telecommunications |
1 |
1 |
0 |
0 |
0 |
2 |
482 |
Exercise Devices |
0 |
0 |
1 |
0 |
1 |
2 |
602 |
Surgery: Splint, Brace, or Bandage |
1 |
0 |
1 |
0 |
0 |
2 |
623 |
Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor |
0 |
1 |
0 |
0 |
1 |
2 |
706 |
DP: Artificial Intelligence (Data Processing) |
0 |
0 |
1 |
1 |
0 |
2 |
709 |
Multiple Computer or Process Coordinating (Electrical Computers and Digital Processing Systems) |
0 |
0 |
1 |
0 |
1 |
2 |
800 |
Multicellular Living Organisms and Unmodified Parts Thereof and Related Processes |
0 |
1 |
0 |
1 |
0 |
2 |
024 |
Buckles, Buttons, Clasps, Etc. |
0 |
0 |
0 |
0 |
1 |
1 |
030 |
Cutlery |
0 |
0 |
1 |
0 |
0 |
1 |
034 |
Drying and Gas or Vapor Contact with Solids |
0 |
0 |
0 |
1 |
0 |
1 |
040 |
Card, Picture, or Sign Exhibiting |
1 |
0 |
0 |
0 |
0 |
1 |
044 |
Fuel and Related Compositions |
0 |
1 |
0 |
0 |
0 |
1 |
047 |
Plant Husbandry |
0 |
1 |
0 |
0 |
0 |
1 |
053 |
Package Making |
1 |
0 |
0 |
0 |
0 |
1 |
056 |
Harvesters |
0 |
0 |
0 |
0 |
1 |
1 |
057 |
Textiles: Spinning, Twisting, and Twining |
0 |
1 |
0 |
0 |
0 |
1 |
062 |
Refrigeration |
1 |
0 |
0 |
0 |
0 |
1 |
065 |
Glass Manufacturing |
0 |
0 |
1 |
0 |
0 |
1 |
074 |
Machine Element or Mechanism |
0 |
0 |
0 |
0 |
1 |
1 |
076 |
Metal Tools and Implements, Making |
0 |
0 |
1 |
0 |
0 |
1 |
086 |
Ammunition and Explosive-Charge Making |
1 |
0 |
0 |
0 |
0 |
1 |
089 |
Ordnance |
1 |
0 |
0 |
0 |
0 |
1 |
108 |
Horizontally Supported Planar Surfaces |
0 |
0 |
0 |
0 |
1 |
1 |
110 |
Furnaces |
0 |
0 |
0 |
0 |
1 |
1 |
116 |
Signals and Indicators |
0 |
1 |
0 |
0 |
0 |
1 |
126 |
Stoves and Furnaces |
0 |
0 |
0 |
0 |
1 |
1 |
135 |
Tent, Canopy, Umbrella, or Cane |
0 |
1 |
0 |
0 |
0 |
1 |
142 |
Wood Turning |
0 |
0 |
0 |
1 |
0 |
1 |
152 |
Resilient Tires and Wheels |
1 |
0 |
0 |
0 |
0 |
1 |
157 |
Wheelwright Machines |
0 |
1 |
0 |
0 |
0 |
1 |
172 |
Earth Working |
1 |
0 |
0 |
0 |
0 |
1 |
205 |
Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions |
0 |
1 |
0 |
0 |
0 |
1 |
208 |
Mineral Oils: Processes and Products |
0 |
0 |
0 |
0 |
1 |
1 |
209 |
Classifying, Separating, and Assorting Solids |
0 |
0 |
1 |
0 |
0 |
1 |
211 |
Supports: Racks |
1 |
0 |
0 |
0 |
0 |
1 |
225 |
Severing by Tearing or Breaking |
0 |
0 |
0 |
1 |
0 |
1 |
229 |
Envelopes, Wrappers, and Paperboard Boxes |
0 |
1 |
0 |
0 |
0 |
1 |
257 |
Active Solid-State Devices (e.g., Transistors, Solid-State Diodes) |
0 |
0 |
0 |
0 |
1 |
1 |
277 |
Seal for a Joint or Juncture |
0 |
0 |
1 |
0 |
0 |
1 |
301 |
Land Vehicles: Wheels and Axles |
0 |
1 |
0 |
0 |
0 |
1 |
307 |
Electrical Transmission or Interconnection Systems |
0 |
1 |
0 |
0 |
0 |
1 |
315 |
Electric Lamp and Discharge Devices: Systems |
0 |
0 |
0 |
1 |
0 |
1 |
324 |
Electricity: Measuring and Testing |
0 |
1 |
0 |
0 |
0 |
1 |
330 |
Amplifiers |
0 |
0 |
1 |
0 |
0 |
1 |
348 |
Television |
0 |
1 |
0 |
0 |
0 |
1 |
361 |
Electricity: Electrical Systems and Devices |
0 |
0 |
0 |
1 |
0 |
1 |
382 |
Image Analysis |
0 |
0 |
0 |
0 |
1 |
1 |
401 |
Coating Implements with Material Supply |
0 |
1 |
0 |
0 |
0 |
1 |
410 |
Freight Accommodation On Freight Carrier |
0 |
0 |
1 |
0 |
0 |
1 |
413 |
Sheet Metal Container Making |
1 |
0 |
0 |
0 |
0 |
1 |
419 |
Powder Metallurgy Processes |
0 |
0 |
1 |
0 |
0 |
1 |
426 |
Food or Edible Material: Processes, Compositions, and Products |
0 |
1 |
0 |
0 |
0 |
1 |
432 |
Heating |
0 |
0 |
0 |
0 |
1 |
1 |
434 |
Education and Demonstration |
0 |
1 |
0 |
0 |
0 |
1 |
442 |
Fabric (Woven, Knitted, or Nonwoven Textile or Cloth, Etc.) |
0 |
0 |
0 |
1 |
0 |
1 |
451 |
Abrading |
0 |
0 |
0 |
1 |
0 |
1 |
472 |
Amusement Devices |
1 |
0 |
0 |
0 |
0 |
1 |
475 |
Planetary Gear Transmission Systems or Components |
0 |
0 |
1 |
0 |
0 |
1 |
493 |
Manufacturing Container or Tube From Paper; or Other Manufacturing From a Sheet or Web |
0 |
1 |
0 |
0 |
0 |
1 |
510 |
Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions |
0 |
0 |
0 |
0 |
1 |
1 |
518 |
Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof |
0 |
0 |
1 |
0 |
0 |
1 |
588 |
Hazardous or Toxic Waste Destruction or Containment |
1 |
0 |
0 |
0 |
0 |
1 |
701 |
DP: Vehicles, Navigation, and Relative Location (Data Processing) |
0 |
0 |
0 |
0 |
1 |
1 |
704 |
DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) |
1 |
0 |
0 |
0 |
0 |
1 |
705 |
DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) |
0 |
0 |
0 |
1 |
0 |
1 |
710 |
Input/Output (Electrical Computers and Digital Processing Systems) |
1 |
0 |
0 |
0 |
0 |
1 |
711 |
Memory (Electrical Computers and Digital Processing Systems) |
0 |
0 |
0 |
0 |
1 |
1 |
ALL |
ALL CLASSES |
189 |
149 |
144 |
148 |
151 |
781 |