| Patents for H01H 29 - Switches having at least one liquid contact (943) |
|---|
| 12/02/1980 | CA1090853A1 Thermal cut-off fuse |
| 11/26/1980 | EP0019516A1 Electric contact devices with conducting liquid |
| 11/25/1980 | US4236129 Mercury contact switch |
| 10/15/1980 | EP0017640A2 Miniature mercury-wetted reed switch |
| 09/16/1980 | US4223190 Mercury float switch |
| 09/09/1980 | US4221278 Automatic kill switch |
| 08/26/1980 | US4219708 Shockswitch |
| 08/19/1980 | US4218681 Hand-held transmitter for transmitting different signals |
| 07/01/1980 | US4210893 Thermal cut-off fuse |
| 06/17/1980 | US4208643 Magnetically actuated mercury switch |
| 05/27/1980 | US4205236 Finger operated control system for hand-held appliances |
| 05/06/1980 | US4201900 Snap action tilt actuated mercury switch |
| 04/29/1980 | US4200779 Device for switching electrical circuits |
| 02/06/1980 | EP0007795A1 A method of and apparatus for monitoring the operation of a vehicle |
| 10/23/1979 | US4172251 Self-encoding key switch and keyboard and keyboard system utilizing the same |
| 07/31/1979 | US4163127 Position sensitive safety switch |
| 04/17/1979 | US4150267 Master electric switch |
| 03/21/1979 | EP0001118A1 Electric contact device |
| 03/13/1979 | US4144431 Means of securing mecury displacement switches to a mounting bracket |
| 03/07/1979 | EP0001001A1 A method of and apparatus for monitoring the operation of a motor vehicle |
| 02/06/1979 | US4138600 Force-responsive device |
| 01/16/1979 | US4135067 Tilt switch and holder |
| 11/14/1978 | CA1042492A1 Calibration and adjustment arrangement for deceleration switch |
| 07/25/1978 | US4103135 Gas operated switches |
| 07/04/1978 | US4099040 Mercury type tilt switch |
| 02/28/1978 | US4076972 Liquid contact switch having plural compartments and electrical heater |
| 02/07/1978 | US4072835 Fluid type inertia switch having resettable plunger and cone shaped retainer |
| 01/03/1978 | US4066859 Switching device |
| 11/22/1977 | US4059740 Switch and operating mechanism for circular hosiery knitting machine speed control |
| 07/19/1977 | US4036827 Conductive liquid switches |
| 05/24/1977 | US4025745 Centrifugal switches |
| 12/07/1976 | US3995651 Valve for shutting off gas flow in pipes during earthquakes |
| 11/23/1976 | US3993882 Micro-miniature mercury tilt-type inertia switch |
| 11/09/1976 | US3991293 Switch for high-frequency currents, having modular construction |
| 09/28/1976 | US3983350 Liquid contact switch assembly incorporated within wrist watch casing |
| 09/14/1976 | US3980847 Piggy back electric float switch |
| 08/31/1976 | US3978301 Mercury tilt switch |
| 08/03/1976 | US3973095 Intrusion detector sensitive to resonant frequency of breaking glass |
| 08/03/1976 | US3973092 Acceleration sensing switch of the liquid contact type having time delay structure |
| 07/20/1976 | US3971006 Multi directional motion and vibration triggering device |
| 05/11/1976 | US3955398 Calibration and adjustment arrangement for deceleration switch |
| 02/03/1976 | US3936786 Temperature sensitive tipswitch |
| 01/20/1976 | US3934215 Switch mechanisms |