166 |
Wells (shafts or deep borings in the earth, e.g., for oil and gas) |
2 |
0 |
0 |
3 |
6 |
11 |
073 |
Measuring and Testing |
0 |
2 |
1 |
2 |
2 |
7 |
502 |
Catalyst, Solid Sorbent, or Support Therefor: Product or Process of Making |
1 |
1 |
4 |
1 |
0 |
7 |
422 |
Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing |
1 |
1 |
2 |
0 |
1 |
5 |
405 |
Hydraulic and Earth Engineering |
1 |
1 |
1 |
0 |
1 |
4 |
520 |
Synthetic Resins or Natural Rubbers (includes Classes 520-528) |
2 |
1 |
1 |
0 |
0 |
4 |
585 |
Chemistry of Hydrocarbon Compounds |
0 |
0 |
0 |
3 |
1 |
4 |
702 |
DP: Measuring, Calibrating, or Testing (Data Processing) |
0 |
2 |
0 |
0 |
2 |
4 |
169 |
Fire Extinguishers |
1 |
0 |
1 |
1 |
0 |
3 |
205 |
Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions |
1 |
0 |
0 |
2 |
0 |
3 |
208 |
Mineral Oils: Processes and Products |
1 |
0 |
1 |
0 |
1 |
3 |
367 |
Communications, Electrical: Acoustic Wave Systems and Devices |
0 |
1 |
1 |
0 |
1 |
3 |
703 |
DP: Structural Design, Modeling, Simulation, and Emulation (Data Processing) |
1 |
0 |
0 |
0 |
2 |
3 |
062 |
Refrigeration |
1 |
1 |
0 |
0 |
0 |
2 |
114 |
Ships |
1 |
0 |
0 |
1 |
0 |
2 |
324 |
Electricity: Measuring and Testing |
0 |
0 |
1 |
1 |
0 |
2 |
378 |
X-Ray or Gamma Ray Systems or Devices |
0 |
1 |
0 |
1 |
0 |
2 |
380 |
Cryptography |
0 |
0 |
1 |
0 |
1 |
2 |
431 |
Combustion |
0 |
0 |
0 |
1 |
1 |
2 |
029 |
Metal Working |
0 |
0 |
0 |
0 |
1 |
1 |
033 |
Geometrical Instruments |
0 |
1 |
0 |
0 |
0 |
1 |
034 |
Drying and Gas or Vapor Contact with Solids |
1 |
0 |
0 |
0 |
0 |
1 |
048 |
Gas: Heating and Illuminating |
0 |
0 |
0 |
0 |
1 |
1 |
052 |
Static Structures (e.g., Buildings) |
0 |
0 |
1 |
0 |
0 |
1 |
055 |
Gas Separation |
0 |
1 |
0 |
0 |
0 |
1 |
095 |
Gas Separation: Processes |
0 |
0 |
0 |
1 |
0 |
1 |
106 |
Compositions: Coating or Plastic |
0 |
0 |
0 |
1 |
0 |
1 |
137 |
Fluid Handling |
0 |
1 |
0 |
0 |
0 |
1 |
165 |
Heat Exchange |
0 |
1 |
0 |
0 |
0 |
1 |
210 |
Liquid Purification or Separation |
0 |
1 |
0 |
0 |
0 |
1 |
219 |
Electric Heating |
0 |
0 |
1 |
0 |
0 |
1 |
244 |
Aeronautics and Astronautics |
0 |
0 |
0 |
0 |
1 |
1 |
250 |
Radiant Energy |
0 |
0 |
1 |
0 |
0 |
1 |
251 |
Valves and Valve Actuation |
0 |
0 |
0 |
1 |
0 |
1 |
340 |
Communications: Electrical |
0 |
0 |
0 |
1 |
0 |
1 |
341 |
Coded Data Generation or Conversion |
0 |
0 |
0 |
0 |
1 |
1 |
342 |
Communications: Directive Radio Wave Systems and Devices (e.g., Radar, Radio Navigation) |
0 |
0 |
1 |
0 |
0 |
1 |
345 |
Computer Graphics Processing and Selective Visual Display Systems |
0 |
0 |
1 |
0 |
0 |
1 |
361 |
Electricity: Electrical Systems and Devices |
0 |
0 |
0 |
0 |
1 |
1 |
428 |
Stock Material or Miscellaneous Articles |
1 |
0 |
0 |
0 |
0 |
1 |
429 |
Chemistry: Electrical Current Producing Apparatus, Product, and Process |
0 |
1 |
0 |
0 |
0 |
1 |
436 |
Chemistry: Analytical and Immunological Testing |
0 |
1 |
0 |
0 |
0 |
1 |
455 |
Telecommunications |
0 |
0 |
0 |
0 |
1 |
1 |
518 |
Chemistry: Fischer-Tropsch Processes; or Purification or Recovery of Products Thereof |
0 |
0 |
0 |
0 |
1 |
1 |
623 |
Prosthesis (i.e., Artificial Body Members), Parts Thereof, or Aids and Accessories Therefor |
0 |
0 |
0 |
0 |
1 |
1 |
704 |
DP: Speech Signal Processing, Linguistics, Language Translation, and Audio Compression/Decompression (Data Processing) |
0 |
0 |
0 |
0 |
1 |
1 |
707 |
DP: Database and File Management or Data Structures (Data Processing) |
0 |
0 |
0 |
0 |
1 |
1 |
709 |
Multicomputer Data Transferring (Electrical Computers and Digital Processing Systems) |
0 |
0 |
0 |
0 |
1 |
1 |
ALL |
ALL CLASSES |
15 |
18 |
19 |
20 |
30 |
102 |