166 |
Wells (shafts or deep borings in the earth, e.g., for oil and gas) |
11 |
14 |
12 |
10 |
6 |
11 |
9 |
12 |
16 |
15 |
12 |
20 |
148 |
175 |
Boring or Penetrating the Earth |
8 |
10 |
6 |
5 |
5 |
4 |
3 |
6 |
6 |
7 |
2 |
2 |
64 |
073 |
Measuring and Testing |
0 |
1 |
1 |
2 |
3 |
4 |
2 |
4 |
2 |
1 |
1 |
3 |
24 |
081 |
Tools |
4 |
3 |
2 |
2 |
2 |
1 |
3 |
3 |
0 |
1 |
0 |
2 |
23 |
507 |
Earth Boring, Well Treating, and Oil Field Chemistry |
2 |
2 |
3 |
5 |
3 |
2 |
0 |
2 |
1 |
1 |
1 |
1 |
23 |
210 |
Liquid Purification or Separation |
4 |
3 |
2 |
2 |
1 |
1 |
0 |
1 |
1 |
2 |
1 |
3 |
21 |
209 |
Classifying, Separating, and Assorting Solids |
0 |
3 |
2 |
3 |
3 |
2 |
1 |
0 |
0 |
0 |
0 |
0 |
14 |
405 |
Hydraulic and Earth Engineering |
0 |
2 |
3 |
0 |
0 |
0 |
1 |
0 |
0 |
1 |
2 |
1 |
10 |
285 |
Pipe Joints or Couplings |
2 |
0 |
2 |
0 |
1 |
0 |
1 |
0 |
1 |
1 |
1 |
0 |
9 |
134 |
Cleaning and Liquid Contact with Solids |
1 |
1 |
1 |
0 |
0 |
1 |
1 |
2 |
1 |
0 |
0 |
0 |
8 |
137 |
Fluid Handling |
0 |
3 |
1 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
7 |
029 |
Metal Working |
2 |
0 |
0 |
1 |
1 |
0 |
1 |
0 |
0 |
1 |
0 |
0 |
6 |
119 |
Animal Husbandry |
1 |
1 |
1 |
0 |
0 |
1 |
1 |
0 |
0 |
0 |
1 |
0 |
6 |
250 |
Radiant Energy |
0 |
0 |
0 |
1 |
1 |
1 |
1 |
2 |
0 |
0 |
0 |
0 |
6 |
414 |
Material or Article Handling |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
0 |
1 |
1 |
1 |
0 |
6 |
705 |
DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
0 |
1 |
1 |
2 |
6 |
128 |
Surgery (includes Class 600) |
0 |
0 |
0 |
2 |
1 |
1 |
0 |
0 |
1 |
0 |
0 |
0 |
5 |
241 |
Solid Material Comminution or Disintegration |
3 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
5 |
100 |
Presses |
0 |
1 |
0 |
1 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
4 |
188 |
Brakes |
0 |
0 |
0 |
2 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
1 |
4 |
206 |
Special Receptacle or Package |
0 |
0 |
0 |
0 |
0 |
2 |
0 |
0 |
0 |
1 |
1 |
0 |
4 |
404 |
Road Structure, Process, or Apparatus |
1 |
0 |
0 |
1 |
1 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
4 |
428 |
Stock Material or Miscellaneous Articles |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
1 |
0 |
0 |
4 |
464 |
Rotary Shafts, Gudgeons, Housings, and Flexible Couplings for Rotary Shafts |
0 |
1 |
0 |
1 |
0 |
0 |
2 |
0 |
0 |
0 |
0 |
0 |
4 |
482 |
Exercise Devices |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
2 |
4 |
604 |
Surgery (Medicators and Receptors) |
0 |
1 |
0 |
1 |
1 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
4 |
606 |
Surgery (instruments) |
1 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
0 |
4 |
015 |
Brushing, Scrubbing, and General Cleaning |
1 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
3 |
037 |
Excavating |
0 |
0 |
0 |
0 |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
3 |
052 |
Static Structures (e.g., Buildings) |
0 |
0 |
0 |
0 |
1 |
0 |
1 |
0 |
1 |
0 |
0 |
0 |
3 |
084 |
Music |
1 |
0 |
0 |
0 |
1 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
3 |
211 |
Supports: Racks |
0 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
3 |
229 |
Envelopes, Wrappers, and Paperboard Boxes |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
3 |
254 |
Implements or Apparatus for Applying Pushing or Pulling Force |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
0 |
0 |
1 |
0 |
3 |
297 |
Chairs and Seats |
0 |
0 |
1 |
0 |
0 |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
3 |
356 |
Optics: Measuring and Testing |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
1 |
1 |
0 |
0 |
3 |
367 |
Communications, Electrical: Acoustic Wave Systems and Devices |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
1 |
0 |
0 |
0 |
3 |
473 |
Games Using Tangible Projectile |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
1 |
0 |
0 |
3 |
520 |
Synthetic Resins or Natural Rubbers (includes Classes 520-528) |
0 |
0 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
3 |
702 |
DP: Measuring, Calibrating, or Testing (Data Processing) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
2 |
3 |
024 |
Buckles, Buttons, Clasps, Etc. |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
2 |
030 |
Cutlery |
0 |
0 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
043 |
Fishing, Trapping, and Vermin Destroying |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
2 |
074 |
Machine Element or Mechanism |
0 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
099 |
Foods and Beverages: Apparatus |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
124 |
Mechanical Guns and Projectors |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
2 |
138 |
Pipes and Tubular Conduits |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
2 |
224 |
Package and Article Carriers |
0 |
0 |
1 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
235 |
Registers (e.g., cash registers, calculators, devices for counting movements of devices, etc.) |
0 |
0 |
0 |
1 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
2 |
264 |
Plastic and Nonmetallic Article Shaping or Treating: Processes |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
2 |
277 |
Seal for a Joint or Juncture |
0 |
2 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
294 |
Handling: Hand and Hoist-Line Implements |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
0 |
0 |
2 |
340 |
Communications: Electrical |
0 |
1 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
2 |
362 |
Illumination |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
2 |
425 |
Plastic Article or Earthenware Shaping or Treating: Apparatus |
0 |
1 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
427 |
Coating Processes |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
0 |
2 |
440 |
Marine Propulsion |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
2 |
700 |
DP: Generic Control Systems or Specific Applications (Data Processing) |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
1 |
0 |
0 |
2 |
002 |
Apparel |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
014 |
Bridges |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
033 |
Geometrical Instruments |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
034 |
Drying and Gas or Vapor Contact with Solids |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
042 |
Firearms |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
049 |
Movable or Removable Closures |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
053 |
Package Making |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
060 |
Power Plants |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
075 |
Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
083 |
Cutting |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
1 |
095 |
Gas Separation: Processes |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
1 |
096 |
Gas Separation: Apparatus |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
108 |
Horizontally Supported Planar Surfaces |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
156 |
Adhesive Bonding and Miscellaneous Chemical Manufacture |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
165 |
Heat Exchange |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
172 |
Earth Working |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
177 |
Weighing Scales |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
182 |
Fire Escape, Ladder, or Scaffold |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
208 |
Mineral Oils: Processes and Products |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
212 |
Traversing Hoists |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
219 |
Electric Heating |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
220 |
Receptacles |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
1 |
223 |
Apparel Apparatus |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
1 |
239 |
Fluid Sprinkling, Spraying, and Diffusing |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
242 |
Winding, Tensioning, or Guiding |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
248 |
Supports (e.g., for holding articles, etc.) |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
251 |
Valves and Valve Actuation |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
252 |
Compositions |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
261 |
Gas and Liquid Contact Apparatus |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
266 |
Metallurgical Apparatus |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
1 |
280 |
Land Vehicles |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
292 |
Closure Fasteners |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
324 |
Electricity: Measuring and Testing |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
327 |
Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
343 |
Communications: Radio Wave Antennas |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
366 |
Agitating (e.g., of articles and materials) |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
368 |
Horology: Time Measuring Systems or Devices |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
379 |
Telephonic Communications |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
383 |
Flexible Bags |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
403 |
Joints and Connections |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
410 |
Freight Accommodation On Freight Carrier |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
1 |
411 |
Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
415 |
Rotary Kinetic Fluid Motors or Pumps |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
422 |
Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
426 |
Food or Edible Material: Processes, Compositions, and Products |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
434 |
Education and Demonstration |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
435 |
Chemistry: Molecular Biology and Microbiology |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
1 |
446 |
Amusement Devices: Toys |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
451 |
Abrading |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
452 |
Butchering |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
1 |
454 |
Ventilation |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
455 |
Telecommunications |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
1 |
501 |
Compositions: Ceramic |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
510 |
Cleaning Compositions for Solid Surfaces, Auxiliary Compositions Therefor, or Processes of Preparing the Compositions |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
1 |
530 |
Chemistry: Natural Resins or Derivatives; Peptides or Proteins; Lignins or Reaction Products Thereof |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
532 |
Organic Compounds (includes Classes 532-570) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
1 |
701 |
DP: Vehicles, Navigation, and Relative Location (Data Processing) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
1 |
709 |
Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
1 |
717 |
DP: Software Development, Installation, and Management (Data Processing) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
1 |
ALL |
ALL CLASSES |
56 |
56 |
51 |
53 |
46 |
41 |
40 |
43 |
39 |
44 |
38 |
54 |
561 |