| Patents for H01H 7 - Devices for introducing a predetermined time delay between the initiation of the switching operation and the opening or closing of the contacts (471) |
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| 11/01/1988 | CA1244070A1 Variable power control device |
| 10/26/1988 | CN87212648U Delay switch |
| 10/05/1988 | CN87209171U Dynamic delayer |
| 09/07/1988 | CN88200810U Controlled delay-action circuit breaker |
| 08/03/1988 | CN87217089U Flush-mounted time-delay lighting switch |
| 08/03/1988 | CN87203024U Automatic cut-off electricity-saving switch |
| 07/27/1988 | CN88210708U Time-controlled power saving switch |
| 06/15/1988 | EP0271361A2 Delayed actuator |
| 06/15/1988 | CN87208412U Multiple functional delay-action switch |
| 06/15/1988 | CN86210457U Semi-auto and auto switch for electric appliances of stairs and corridor |
| 06/15/1988 | CN86209291U 塑料延时开关 Plastic delay switch |
| 06/01/1988 | DE3644546C1 Switching device for delayed contact making |
| 06/01/1988 | CN87201511U Electricity-saving multipurpose staircase light switch |
| 05/18/1988 | CN87202404U Oil damping timer |
| 05/03/1988 | US4742189 Visco-elastic delayed actuator |
| 04/13/1988 | CN86207585U Pullswitch. |
| 04/06/1988 | CN87214294U Domistic time switch of gas stove |
| 04/06/1988 | CN87213750U Timer of electric fan |
| 02/03/1988 | CN87207001U Automatic switch of street lamp |
| 12/16/1987 | CN86210733U Protective device for compressed freezer by cutting off electricity supply |
| 12/16/1987 | CN86209185U Automatic delay time multi-function electricity-saving switch |
| 09/22/1987 | US4695690 Closing delay arrangement for current limiting circuit breaker contacts |
| 07/22/1987 | CN86210027U Time-delay cut-off pullswitch |
| 06/02/1987 | US4669990 Signal device |
| 05/13/1987 | CN86201953U Delay-off switch for lamp |
| 03/04/1987 | CN85205619U Energy-saving time-delay switch |
| 03/03/1987 | US4647737 Snap-action switch for alternating current |
| 01/27/1987 | US4639561 Mechanical time delay mechanism |
| 01/20/1987 | US4638128 Delay switch |
| 12/02/1986 | CA1214856A1 Magnetically operated ac switching device with delay- on-dropout |
| 08/12/1986 | CA1209625A1 Timer device and method of operating |
| 08/06/1986 | EP0189887A2 Closing delay arrangement for current limiting circuit breaker contacts |
| 06/03/1986 | CA1205515A1 Motor starting device |
| 11/26/1985 | US4555684 Motor starting device |
| 11/12/1985 | US4552999 Time delay switch |
| 10/01/1985 | US4544987 Magnetically operated AC switching device with delay-on-dropout |
| 07/02/1985 | US4527025 Miniature delay switch |
| 01/02/1985 | EP0129556A1 Motor starting device |
| 10/30/1984 | US4480158 Time delay switching device |
| 06/21/1984 | WO1984002425A1 Motor starting device |
| 03/21/1984 | EP0103284A2 Snap-action switch for alternating current |
| 03/06/1984 | US4435626 Pressure responsive switch actuating mechanism |
| 01/24/1984 | US4427957 Switch assembly |
| 10/11/1983 | CA1155160A1 Timing mechanism having a short pulse prior to its overall program |
| 08/30/1983 | CA1153045A1 Time delay switch |
| 05/24/1983 | CA1146998A1 Time delay switch mechanism |
| 03/29/1983 | US4378541 Time delay switch |
| 02/01/1983 | US4371791 Time delay switch |
| 07/28/1982 | EP0056624A2 Switch assembly |
| 07/27/1982 | CA1128325A1 Timed-action actuators |
| 06/29/1982 | US4337450 Remote control electro-thermal actuator switch |
| 01/13/1982 | EP0043604A1 Time switch |
| 11/11/1981 | EP0039491A1 A resettable apparatus for producing time-delayed force and/or displacement response |
| 10/27/1981 | US4297554 Time delay switch mechanism |
| 09/30/1981 | EP0036759A2 Pressure responsive switch actuating mechanism |
| 09/08/1981 | US4288064 Timed-action actuators |
| 04/14/1981 | CA1099320A2 Timing mechanism having inline intermittent drive means |
| 02/10/1981 | CA1095600A1 Series feed-through capacitor |
| 02/19/1980 | US4189628 Time delay switch |
| 01/01/1980 | US4181830 Flight control system for free flight model aeroplanes |
| 10/02/1979 | US4169358 Defrosting apparatus for a refrigerator |
| 05/22/1979 | CA1055086A1 Thermal timer |
| 04/03/1979 | US4148003 Series feed-through capacitor |
| 10/03/1978 | CA1039542A1 Timed buzzer |
| 07/11/1978 | USRE29701 Timed buzzer |
| 08/23/1977 | US4044348 Circuit energization indicator with thermal timing means to maintain the indication for a predetermined time after de-energization |
| 01/11/1977 | US4003043 Timed buzzer |
| 06/22/1976 | US3965450 Electromagnetic device having a movable tube |
| 06/15/1976 | US3963375 Time delayed shut-down circuit for recirculation pump |
| 03/16/1976 | US3944030 Pneumatic time-limiting device |
| 02/24/1976 | US3940632 Nonpredictable actuator for switches or the like |