| Patents for H01H 27 - Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings (1,960) |
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| 10/21/1980 | US4229633 Programmable switch |
| 06/25/1980 | EP0012175A1 Spark or glow ignition switch for motor vehicles |
| 06/17/1980 | CA1079840A1 Electrical circuit device |
| 06/03/1980 | US4206328 Pushbutton assembly |
| 05/13/1980 | USRE30273 Rocker switch with integral off lock |
| 04/29/1980 | US4200774 Key-operated electrical switch assembly |
| 04/15/1980 | US4198552 Key operated switch lock assembly |
| 04/01/1980 | CA1074840A1 Cam actuated switch |
| 01/22/1980 | US4185179 Key-switch device |
| 11/13/1979 | US4174472 Pivoted-actuator switch with integral off-lock |
| 10/30/1979 | US4172970 Electric switch |
| 09/25/1979 | CA1063075A1 System for electrical interconnection and switching of multiple lighting fixtures |
| 09/18/1979 | US4168416 Guarded safety switch with integral off-lock and actuator non-removable in on position |
| 09/11/1979 | US4167658 Safety and security outlet |
| 08/21/1979 | CA1060670A1 Sleeve and terminal holder assembly for an axial split-pin tumbler-type switch lock mechanism |
| 06/19/1979 | US4158472 Patch module |
| 05/15/1979 | US4154994 Patch module |
| 05/08/1979 | US4153826 Actuating mechanism for electrical switches |
| 05/02/1979 | EP0001621A1 Alarm switch |
| 04/03/1979 | US4147905 Sleeve and terminal holder assembly for an axial split-pin tumbler-type switch lock mechanism |
| 03/27/1979 | US4146761 Key actuable electrical switch |
| 03/20/1979 | US4145585 Rotary pulse switch |
| 03/13/1979 | US4144429 Manually operated electrical switch |
| 01/09/1979 | US4134045 System for electrical interconnection and switching of multiple lighting fixtures |
| 11/07/1978 | US4124789 Pressure switch actuator |
| 09/19/1978 | US4115665 Multiple circuit interrupter for telecommunication system |
| 09/05/1978 | US4111017 Manually operated coded switch |
| 08/22/1978 | US4109120 Electrical unit having a bus-bar and a selector and method of making the same |
| 08/15/1978 | US4107485 Device for completing an electric circuit or the like for a lock or the like |
| 08/15/1978 | US4107484 Safety switch |
| 08/01/1978 | US4104490 Coding lock |
| 07/18/1978 | US4101745 Drawer operated switch assembly |
| 05/30/1978 | US4092506 Theft prevention switch device |
| 05/16/1978 | US4090046 Key operated switch for automobile alarm or the like |
| 01/03/1978 | US4066856 Lock for safety cut-out switch |
| 10/04/1977 | USRE29426 Safety stopping device for marine engines |
| 09/27/1977 | US4051349 Recording unit |
| 09/20/1977 | US4049932 Safety device for a rotary starter switch for an automobile vehicle |
| 09/06/1977 | US4046980 Cam actuated switch |
| 08/16/1977 | US4042797 Electric safety switch with positive-action mechanism |
| 06/07/1977 | US4027509 Cylinder lock for rotary switches |
| 05/31/1977 | US4027170 Motor vehicle equipment |
| 05/10/1977 | US4023161 Key device for producing binary codes |
| 05/10/1977 | US4022995 Intermediate levers for safety cut-out switch with lock |
| 04/19/1977 | US4018069 Key-actuated barrel-type locks |
| 04/05/1977 | US4016379 Lock for safety cut-out switches |
| 03/22/1977 | US4013858 Rocker switch with integral off lock |
| 02/22/1977 | US4009357 Anti-static keylock switch |
| 12/07/1976 | US3996432 Key controlled alarm activating system |
| 09/14/1976 | US3980844 Combination lock and switch device |
| 07/27/1976 | US3971903 Multi slider switch |
| 07/20/1976 | US3971009 Key release type burglar alarm |
| 07/13/1976 | US3969597 Key operated electric ground switch |
| 07/13/1976 | US3969596 Combination lock for the ignition hood and trunk of an automotive vehicle |
| 05/25/1976 | US3959613 Electric lock |
| 03/30/1976 | US3947693 Push button electrical combination ignition lock |
| 03/23/1976 | US3946172 Latching apparatus |
| 03/02/1976 | US3941955 Electric lock and key assembly |
| 01/06/1976 | US3931488 Multiple switch actuator |
| 01/06/1976 | US3930704 Wall socket |