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