| Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726) |
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| 03/02/1976 | US3942074 Static overcurrent relay |
| 02/24/1976 | US3940684 Power controller |
| 02/24/1976 | US3940664 Multi-phase voltage sensing switching device |
| 02/24/1976 | US3940663 Drive circuit for a main contactor |
| 02/17/1976 | US3939328 Control system with adaptive process controllers especially adapted for electric power plant operation |
| 02/10/1976 | US3938008 Common bus driver complementary protect circuit |
| 02/10/1976 | US3938007 Electrical network protection device with automatic switch over between protection criteria |
| 02/10/1976 | US3938006 Active negative sequence cable monitor |
| 02/10/1976 | US3938005 Electrical generating system overvoltage protection circuit |
| 02/10/1976 | US3937911 Circuit breaker for small size motors |
| 02/03/1976 | US3936760 D.C. restorer circuit |
| 02/03/1976 | US3936756 Field emission electron gun having automatic current control |
| 01/27/1976 | US3935519 Control apparatus for two-speed compressor |
| 01/27/1976 | US3935513 Protective circuit for transistor amplifier |
| 01/20/1976 | US3934188 Self-testing battery discharge indicator |
| 01/20/1976 | US3934155 Power supply arrangement |
| 01/13/1976 | US3932797 Self-testing battery discharge indicator |
| 01/13/1976 | US3932789 Current sensing protector system for A. C. motors |
| 01/13/1976 | US3932774 Electronic monitoring system with short-circuit protection |
| 01/06/1976 | US3931577 Radio receiver protection arrangement |
| 01/06/1976 | US3931567 DC power supply with load current regulation |
| 01/06/1976 | US3931559 Malfunction detector circuit for the use with a pump-off control circuit |
| 01/06/1976 | US3931557 DC Motor stall protection circuit |
| 01/06/1976 | US3931548 Over voltage protection circuit |
| 01/06/1976 | US3931546 Over-voltage protection circuit |
| 01/06/1976 | US3931500 System for operating a boiling water reactor steam turbine plant with a combined digital computer and analog control |