166 |
Wells (shafts or deep borings in the earth, e.g., for oil and gas) |
6 |
2 |
3 |
2 |
0 |
13 |
405 |
Hydraulic and Earth Engineering |
0 |
1 |
3 |
4 |
2 |
10 |
424 |
Drug, Bio-Affecting and Body Treating Compositions (includes Class 514) |
2 |
2 |
2 |
1 |
0 |
7 |
123 |
Internal-Combustion Engines |
1 |
2 |
1 |
0 |
1 |
5 |
210 |
Liquid Purification or Separation |
1 |
1 |
1 |
1 |
1 |
5 |
340 |
Communications: Electrical |
2 |
1 |
1 |
1 |
0 |
5 |
370 |
Multiplex Communications |
0 |
3 |
0 |
2 |
0 |
5 |
002 |
Apparel |
1 |
0 |
1 |
0 |
2 |
4 |
007 |
Compound Hand Tools |
0 |
0 |
1 |
2 |
1 |
4 |
042 |
Firearms |
1 |
3 |
0 |
0 |
0 |
4 |
280 |
Land Vehicles |
0 |
2 |
1 |
0 |
1 |
4 |
362 |
Illumination |
1 |
1 |
1 |
1 |
0 |
4 |
440 |
Marine Propulsion |
1 |
1 |
0 |
0 |
2 |
4 |
606 |
Surgery (instruments) |
1 |
1 |
1 |
0 |
1 |
4 |
702 |
DP: Measuring, Calibrating, or Testing (Data Processing) |
1 |
1 |
1 |
1 |
0 |
4 |
033 |
Geometrical Instruments |
1 |
0 |
0 |
2 |
0 |
3 |
144 |
Woodworking |
0 |
1 |
1 |
0 |
1 |
3 |
175 |
Boring or Penetrating the Earth |
2 |
0 |
0 |
0 |
1 |
3 |
180 |
Motor Vehicles |
0 |
1 |
0 |
0 |
2 |
3 |
359 |
Optics: Systems and Elements |
1 |
0 |
0 |
0 |
2 |
3 |
404 |
Road Structure, Process, or Apparatus |
0 |
0 |
1 |
1 |
1 |
3 |
446 |
Amusement Devices: Toys |
1 |
1 |
0 |
0 |
1 |
3 |
005 |
Beds |
0 |
0 |
1 |
1 |
0 |
2 |
030 |
Cutlery |
1 |
0 |
1 |
0 |
0 |
2 |
036 |
Boots, Shoes, and Leggings |
1 |
0 |
0 |
1 |
0 |
2 |
040 |
Card, Picture, or Sign Exhibiting |
0 |
1 |
0 |
1 |
0 |
2 |
062 |
Refrigeration |
1 |
1 |
0 |
0 |
0 |
2 |
070 |
Locks |
1 |
1 |
0 |
0 |
0 |
2 |
084 |
Music |
0 |
2 |
0 |
0 |
0 |
2 |
119 |
Animal Husbandry |
0 |
0 |
1 |
0 |
1 |
2 |
135 |
Tent, Canopy, Umbrella, or Cane |
0 |
1 |
0 |
1 |
0 |
2 |
220 |
Receptacles |
1 |
0 |
0 |
1 |
0 |
2 |
222 |
Dispensing (apparatus and process) |
0 |
0 |
0 |
1 |
1 |
2 |
244 |
Aeronautics and Astronautics |
1 |
0 |
1 |
0 |
0 |
2 |
248 |
Supports (e.g., for holding articles, etc.) |
1 |
0 |
0 |
1 |
0 |
2 |
342 |
Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) |
1 |
0 |
1 |
0 |
0 |
2 |
351 |
Optics: Eye Examining, Vision Testing and Correcting |
0 |
0 |
0 |
1 |
1 |
2 |
410 |
Freight Accommodation On Freight Carrier |
1 |
0 |
1 |
0 |
0 |
2 |
433 |
Dentistry |
1 |
0 |
0 |
1 |
0 |
2 |
439 |
Electrical Connectors |
1 |
0 |
0 |
1 |
0 |
2 |
455 |
Telecommunications |
0 |
0 |
2 |
0 |
0 |
2 |
482 |
Exercise Devices |
0 |
1 |
0 |
0 |
1 |
2 |
585 |
Chemistry of Hydrocarbon Compounds |
1 |
0 |
1 |
0 |
0 |
2 |
701 |
DP: Vehicles, Navigation, and Relative Location (Data Processing) |
1 |
0 |
1 |
0 |
0 |
2 |
004 |
Baths, Closets, Sinks, and Spittoons |
0 |
0 |
0 |
1 |
0 |
1 |
014 |
Bridges |
0 |
0 |
1 |
0 |
0 |
1 |
027 |
Undertaking |
1 |
0 |
0 |
0 |
0 |
1 |
029 |
Metal Working |
0 |
0 |
0 |
0 |
1 |
1 |
043 |
Fishing, Trapping, and Vermin Destroying |
0 |
1 |
0 |
0 |
0 |
1 |
047 |
Plant Husbandry |
0 |
0 |
0 |
1 |
0 |
1 |
052 |
Static Structures (e.g., Buildings) |
0 |
0 |
0 |
1 |
0 |
1 |
056 |
Harvesters |
0 |
0 |
0 |
0 |
1 |
1 |
060 |
Power Plants |
0 |
1 |
0 |
0 |
0 |
1 |
065 |
Glass Manufacturing |
0 |
0 |
0 |
0 |
1 |
1 |
073 |
Measuring and Testing |
0 |
0 |
1 |
0 |
0 |
1 |
074 |
Machine Element or Mechanism |
1 |
0 |
0 |
0 |
0 |
1 |
081 |
Tools |
0 |
0 |
1 |
0 |
0 |
1 |
095 |
Gas Separation: Processes |
0 |
0 |
0 |
0 |
1 |
1 |
104 |
Railways |
0 |
1 |
0 |
0 |
0 |
1 |
105 |
Railway Rolling Stock |
0 |
0 |
0 |
0 |
1 |
1 |
156 |
Adhesive Bonding and Miscellaneous Chemical Manufacture |
0 |
1 |
0 |
0 |
0 |
1 |
172 |
Earth Working |
1 |
0 |
0 |
0 |
0 |
1 |
174 |
Electricity: Conductors and Insulators |
1 |
0 |
0 |
0 |
0 |
1 |
181 |
Acoustics |
0 |
0 |
0 |
1 |
0 |
1 |
182 |
Fire Escape, Ladder, or Scaffold |
1 |
0 |
0 |
0 |
0 |
1 |
206 |
Special Receptacle or Package |
0 |
0 |
0 |
0 |
1 |
1 |
221 |
Article Dispensing |
0 |
0 |
0 |
1 |
0 |
1 |
224 |
Package and Article Carriers |
0 |
0 |
1 |
0 |
0 |
1 |
236 |
Automatic Temperature and Humidity Regulation |
0 |
0 |
0 |
1 |
0 |
1 |
242 |
Winding, Tensioning, or Guiding |
1 |
0 |
0 |
0 |
0 |
1 |
254 |
Implements or Apparatus for Applying Pushing or Pulling Force |
0 |
0 |
1 |
0 |
0 |
1 |
269 |
Work Holders |
1 |
0 |
0 |
0 |
0 |
1 |
273 |
Amusement Devices: Games |
0 |
0 |
0 |
1 |
0 |
1 |
285 |
Pipe Joints or Couplings |
0 |
0 |
0 |
0 |
1 |
1 |
290 |
Prime-Mover Dynamo Plants |
1 |
0 |
0 |
0 |
0 |
1 |
292 |
Closure Fasteners |
0 |
0 |
0 |
0 |
1 |
1 |
294 |
Handling: Hand and Hoist-Line Implements |
0 |
0 |
0 |
0 |
1 |
1 |
296 |
Land Vehicles: Bodies and Tops |
0 |
0 |
0 |
1 |
0 |
1 |
297 |
Chairs and Seats |
0 |
0 |
1 |
0 |
0 |
1 |
310 |
Electrical Generator or Motor Structure |
0 |
1 |
0 |
0 |
0 |
1 |
312 |
Supports: Cabinet Structure |
0 |
0 |
1 |
0 |
0 |
1 |
315 |
Electric Lamp and Discharge Devices: Systems |
0 |
1 |
0 |
0 |
0 |
1 |
335 |
Electricity: Magnetically Operated Switches, Magnets, and Electromagnets |
0 |
0 |
0 |
1 |
0 |
1 |
348 |
Television |
0 |
1 |
0 |
0 |
0 |
1 |
361 |
Electricity: Electrical Systems and Devices |
0 |
0 |
0 |
0 |
1 |
1 |
367 |
Communications, Electrical: Acoustic Wave Systems and Devices |
0 |
0 |
1 |
0 |
0 |
1 |
384 |
Bearings |
0 |
0 |
0 |
0 |
1 |
1 |
406 |
Conveyors: Fluid Current |
0 |
1 |
0 |
0 |
0 |
1 |
409 |
Gear Cutting, Milling, or Planing |
0 |
1 |
0 |
0 |
0 |
1 |
414 |
Material or Article Handling |
0 |
1 |
0 |
0 |
0 |
1 |
415 |
Rotary Kinetic Fluid Motors or Pumps |
0 |
0 |
0 |
1 |
0 |
1 |
416 |
Fluid Reaction Surfaces (i.e., Impellers) |
0 |
1 |
0 |
0 |
0 |
1 |
423 |
Chemistry of Inorganic Compounds |
1 |
0 |
0 |
0 |
0 |
1 |
426 |
Food or Edible Material: Processes, Compositions, and Products |
1 |
0 |
0 |
0 |
0 |
1 |
432 |
Heating |
0 |
0 |
0 |
0 |
1 |
1 |
434 |
Education and Demonstration |
1 |
0 |
0 |
0 |
0 |
1 |
452 |
Butchering |
0 |
1 |
0 |
0 |
0 |
1 |
507 |
Earth Boring, Well Treating, and Oil Field Chemistry |
1 |
0 |
0 |
0 |
0 |
1 |
510 |
Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions |
0 |
0 |
0 |
1 |
0 |
1 |
601 |
Surgery: Kinesitherapy |
1 |
0 |
0 |
0 |
0 |
1 |
602 |
Surgery: Splint, Brace, or Bandage |
1 |
0 |
0 |
0 |
0 |
1 |
ALL |
ALL CLASSES |
50 |
43 |
37 |
39 |
35 |
204 |