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| You are viewing a USPC Schedule. |
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| Class 310 | ELECTRICAL GENERATOR OR MOTOR STRUCTURE |
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![[List of Pre Grant Publications for class 310 subclass 1]](../as.gif) | ![[List of Patents for class 310 subclass 1]](../ps.gif) | 1 | EDUCATIONAL OR CONSTRUCTION UNITS OR KITS |
| | 300 | NON-DYNAMOELECTRIC |
| | 301 |  Nuclear reaction |
| | 302 |  Contact potential difference |
| | 303 | P-N semiconductor |
| | 304 | Secondary electron emission |
| | 305 | Direct charge particle emission |
| | 306 | Thermal or pyromagnetic |
| | 308 | Charge accumulating |
| | 311 | Piezoelectric elements and devices |
| | 312 | Adding or subtracting mass |
| | 313R | Surface acoustic wave devices |
| | 314 | Electrical systems |
| | 315 |  Temperature compensation circuits |
| | 316.01 | Input circuit for simultaneous electrical and mechanical output from piezoelectric element |
| | 317 | Input circuit for mechanical output from piezoelectric element |
| | 318 | Input circuit for electrical output from piezoelectric element |
| | 319 | Electrical output circuit |
| | 320 | Piezoelectric slab having different resonant frequencies at different areas |
| | 321 | Combined with resonant structure |
| | 322 | Acoustic wave type generator or receiver |
| | 323.01 | Direct mechanical coupling |
| | 323.02 |  Motor producing continual motion |
| | 323.03 |  Traveling wave motor |
| | 323.12 | Langevin or pencil type motor |
| | 323.16 | Eliptical motion at fixed point (i.e., walking) or Ratchet and Pawl motor |
| | 323.17 | Positions an object |
| | 323.18 | Device performs work on an object (e.g., welding, cutting) |
| | 323.19 | Horn or transmission line |
| | 323.21 | Detector (e.g., sensor) |
| | 324 | Diaphragm |
| | 325 | Sandwich or Langevin type |
| | 326 | Combined with damping structure |
| | 328 | With mechanical energy coupling means |
| | 329 | Including inertia type operator |
| | 330 | Bending type |
| | 333 | Shear or torsional type |
| | 334 | Acoustic wave type generator or receiver |
| | 338 | Force or pressure measuring type |
| | 339 | Voltage, spark or current generator |
| | 340 | Encapsulated or coated |
| | 341 | With temperature modifier and/or gas or vapor atmosphere control |
| | 345 | Supported by elastic material |
| | 346 | With temperature compensating structure |
| | 348 | With mounting or support means |
| | 357 | Orientation of piezoelectric polarization |
| | 360 | Rotation of crystal axis (e.g., cut angle) |
| | 363 | Electrode materials |
| | 365 | Electrode arrangement |
| | 367 | Piezoelectric element shape |
| | 10 | DYNAMOELECTRIC |
