Electricity: magnetically operated switches, magnets, and electromagnets
Patent class list (only not empty are listed)
Deeper subclasses:
Class / Patent application number | Description | Number of patent applications / Date published |
---|---|---|
335209000 | MAGNETS AND ELECTROMAGNETS | 1133 |
335002000 | ELECTROMAGNETICALLY ACTUATED SWITCHES | 787 |
335205000 | PERMANENT MAGNET-ACTUATED SWITCHES | 136 |
335001000 | COMBINED DIVERSE SWITCHES (E.G., MANUAL-ACTUATED AND ART TYPE) | 11 |