166 |
Wells (shafts or deep borings in the earth, e.g., for oil and gas) |
3 |
6 |
1 |
6 |
2 |
18 |
208 |
Mineral Oils: Processes and Products |
0 |
1 |
1 |
7 |
3 |
12 |
380 |
Cryptography |
0 |
1 |
3 |
2 |
3 |
9 |
703 |
DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) |
0 |
2 |
3 |
3 |
1 |
9 |
073 |
Measuring and Testing |
2 |
2 |
2 |
1 |
1 |
8 |
700 |
DP: Generic Control Systems or Specific Applications (Data Processing) |
0 |
0 |
0 |
4 |
4 |
8 |
702 |
DP: Measuring, Calibrating, or Testing (Data Processing) |
0 |
2 |
0 |
3 |
3 |
8 |
585 |
Chemistry of Hydrocarbon Compounds |
3 |
1 |
0 |
0 |
2 |
6 |
422 |
Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing |
0 |
1 |
1 |
1 |
2 |
5 |
106 |
Compositions: Coating or Plastic |
1 |
0 |
0 |
1 |
2 |
4 |
205 |
Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions |
2 |
0 |
0 |
2 |
0 |
4 |
340 |
Communications: Electrical |
1 |
0 |
1 |
0 |
2 |
4 |
423 |
Chemistry of Inorganic Compounds |
0 |
0 |
2 |
1 |
1 |
4 |
507 |
Earth Boring, Well Treating, and Oil Field Chemistry |
0 |
0 |
2 |
1 |
1 |
4 |
520 |
Synthetic Resins or Natural Rubbers (includes Classes 520-528) |
0 |
0 |
1 |
1 |
2 |
4 |
202 |
Distillation: Apparatus |
0 |
0 |
0 |
2 |
1 |
3 |
210 |
Liquid Purification or Separation |
0 |
0 |
0 |
0 |
3 |
3 |
356 |
Optics: Measuring and Testing |
0 |
0 |
0 |
0 |
3 |
3 |
367 |
Communications, Electrical: Acoustic Wave Systems and Devices |
0 |
1 |
0 |
2 |
0 |
3 |
370 |
Multiplex Communications |
0 |
0 |
0 |
2 |
1 |
3 |
378 |
X-Ray or Gamma Ray Systems or Devices |
1 |
0 |
0 |
2 |
0 |
3 |
502 |
Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making |
1 |
0 |
0 |
1 |
1 |
3 |
532 |
Organic Compounds (includes Classes 532-570) |
0 |
0 |
0 |
1 |
2 |
3 |
588 |
Hazardous or Toxic Waste Destruction or Containment |
0 |
0 |
0 |
3 |
0 |
3 |
709 |
Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) |
0 |
1 |
0 |
1 |
1 |
3 |
060 |
Power Plants |
0 |
0 |
0 |
0 |
2 |
2 |
220 |
Receptacles |
0 |
0 |
0 |
1 |
1 |
2 |
244 |
Aeronautics and Astronautics |
0 |
1 |
1 |
0 |
0 |
2 |
250 |
Radiant Energy |
0 |
0 |
1 |
1 |
0 |
2 |
327 |
Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems |
0 |
0 |
0 |
0 |
2 |
2 |
382 |
Image Analysis |
0 |
0 |
0 |
2 |
0 |
2 |
431 |
Combustion |
1 |
1 |
0 |
0 |
0 |
2 |
436 |
Chemistry: Analytical and Immunological Testing |
0 |
0 |
0 |
1 |
1 |
2 |
455 |
Telecommunications |
0 |
1 |
0 |
1 |
0 |
2 |
705 |
DP: Financial, Business Practice, Management, or Cost/Price Determination (Data Processing) |
0 |
0 |
0 |
2 |
0 |
2 |
707 |
DP: Database and File Management or Data Structures (Data Processing) |
0 |
1 |
0 |
1 |
0 |
2 |
004 |
Baths, Closets, Sinks, and Spittoons |
0 |
0 |
0 |
0 |
1 |
1 |
029 |
Metal Working |
0 |
1 |
0 |
0 |
0 |
1 |
043 |
Fishing, Trapping, and Vermin Destroying |
0 |
0 |
1 |
0 |
0 |
1 |
048 |
Gas: Heating and Illuminating |
0 |
1 |
0 |
0 |
0 |
1 |
055 |
Gas Separation |
0 |
0 |
0 |
0 |
1 |
1 |
095 |
Gas Separation: Processes |
1 |
0 |
0 |
0 |
0 |
1 |
114 |
Ships |
1 |
0 |
0 |
0 |
0 |
1 |
124 |
Mechanical Guns and Projectors |
0 |
0 |
0 |
0 |
1 |
1 |
127 |
Sugar, Starch, and Carbohydrates |
0 |
0 |
0 |
0 |
1 |
1 |
137 |
Fluid Handling |
0 |
0 |
0 |
0 |
1 |
1 |
141 |
Fluent Material Handling, with Receiver or Receiver Coacting Means |
0 |
0 |
0 |
0 |
1 |
1 |
165 |
Heat Exchange |
0 |
0 |
0 |
0 |
1 |
1 |
169 |
Fire Extinguishers |
1 |
0 |
0 |
0 |
0 |
1 |
175 |
Boring or Penetrating the Earth |
0 |
0 |
0 |
0 |
1 |
1 |
251 |
Valves and Valve Actuation |
1 |
0 |
0 |
0 |
0 |
1 |
252 |
Compositions |
0 |
0 |
0 |
1 |
0 |
1 |
264 |
Plastic and Nonmetallic Article Shaping or Treating: Processes |
0 |
0 |
0 |
0 |
1 |
1 |
324 |
Electricity: Measuring and Testing |
1 |
0 |
0 |
0 |
0 |
1 |
337 |
Electricity: Electrothermally or Thermally Actuated Switches |
0 |
0 |
0 |
1 |
0 |
1 |
341 |
Coded Data Generation or Conversion |
0 |
1 |
0 |
0 |
0 |
1 |
361 |
Electricity: Electrical Systems and Devices |
0 |
1 |
0 |
0 |
0 |
1 |
405 |
Hydraulic and Earth Engineering |
0 |
1 |
0 |
0 |
0 |
1 |
433 |
Dentistry |
0 |
0 |
0 |
0 |
1 |
1 |
460 |
Crop Threshing or Separating |
0 |
0 |
0 |
0 |
1 |
1 |
518 |
Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof |
0 |
1 |
0 |
0 |
0 |
1 |
606 |
Surgery (instruments) |
0 |
0 |
0 |
0 |
1 |
1 |
623 |
Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor |
0 |
1 |
0 |
0 |
0 |
1 |
704 |
DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) |
0 |
1 |
0 |
0 |
0 |
1 |
706 |
DP: Artificial Intelligence (Data Processing) |
0 |
0 |
0 |
0 |
1 |
1 |
708 |
Arithmetic Processing and Calculating (Electrical Computers) |
0 |
0 |
1 |
0 |
0 |
1 |
713 |
Support (Electrical Computers and Digital Processing Systems) |
0 |
0 |
1 |
0 |
0 |
1 |
725 |
Interactive Video Distribution Systems |
0 |
0 |
0 |
0 |
1 |
1 |
ALL |
ALL CLASSES |
20 |
30 |
22 |
58 |
61 |
191 |