| 505 / | HD | SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS |
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| 825 |  | APPARATUS, PER SE, DEVICE, PER SE, OR PROCESS OF MAKING OR OPERATING SAME {36} |
| 826 | DF | .~> Coating: (Class 118) |
| 827 | DF | .~> Code converter: (Class 340) |
| 828 | DF | .~> Modulator: (Class 332), demodulator, or detector: (Class 329) |
| 829 | DF | .~> Electrical computer or data processing system (Class 364) |
| 830 | DF | .~> Electrical pulse counter, pulse divider, or shift register: (Class 377) |
| 831 | DF | .~> Static information storage system or device: (Class 365, 365/160) {3} |
| 842 | DF | .~> Measuring and testing: (Classes 73, 324, 356, and 374) {2} |
| 848 | DF | .~> Radiant energy application: (Class 250) {1} |
| 850 | DF | .~> Protective circuit: (Class 361/19) |
| 851 | DF | .~> Control circuit for electromagnetic device: (Class 361/141) |
| 852 | DF | .~> Electric motor control: (Class 318) |
| 853 | DF | .~> Oscillator: (Class 331) {1} |
| 855 | DF | .~> Amplifier: (Class 330) |
| 856 | DF | .~> Electrical transmission or interconnection system: (Class 307) {1} |
| 866 | DF | .~> Wave transmission line, network, waveguide, or microwave storage device: (Class 333/99S) |
| 867 | DF | .~> Electric power conversion system: (Class 363) {1} |
| 869 | DF | .~> Power supply, regulation, or energy storage system: (Class 323) {1} |
| 871 | DF | .~> Magnetic lens: (Class 250/396) |
| 872 | DF | .~> Magnetic field shield: (Class 307/91) |
| 873 | DF | .~> Active solid-state device: (Class 257) {2} |
| 876 | DF | .~> Electrical generator or motor structure: (Class 310) {1} |
| 879 | DF | .~> Magnet or electromagnet: (Class 335/216) |
| 880 | DF | .~> Inductor: (Class 336/DIG 1) |
| 881 | DF | .~> Resistance device responsive to magnetic field: (Class 338/32S) |
| 882 | DF | .~> Circuit maker or breaker: (Class 200) |
| 883 | DF | .~> Housing and mounting assembly with plural diverse electrical components: (Class 361/331+) |
| 884 | DF | .~> Conductor: (Class 174) {2} |
| 888 | DF | .~> Refrigeration: (Class 62) {9} |
| 900 | DF | .~> Heat exchange: (Class 165) {1} |
| 902 | DF | .~> Railway (e.g., rapid transit, etc.): (Class 104) {1} |
| 909 | DF | .~> Power plant: (Class 60) |
| 910 | DF | .~> Pump: (Class 417) |
| 911 | DF | .~> Fluid reaction surface (i.e., impeller): (Class 416) |
| 912 | DF | .~> Metal founding: (Class 164) {1} |
| 917 | DF | .~> Mechanically manufacturing superconductor: (Classes 29, 72, and 228) {8} |
| 931 | DF | .~> Classifying, separating, and assorting solids using magnetism: (Class 209) {1} |