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Class Information
Number: 307/141
Name: Electrical transmission or interconnection systems > Switching systems > Switch actuation > With time delay or retardation means
Description: Subject matter having time delay or retarding means.










Sub-classes under this class:

Class Number Class Name Patents
307/141.4 Electrically initiated 178
307/141.8 Series connected switches 54


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
4743820 Electronic appliance control May. 10, 1988
4733100 Automatic on/off circuit with time delay Mar. 22, 1988
4731551 Timed auxiliary power adapter Mar. 15, 1988
4719364 Multiple time delay power controller apparatus Jan. 12, 1988
4712072 Timer apparatus Dec. 8, 1987
4712019 Programmable electronic plug-in timer Dec. 8, 1987
4709291 Protective device for preventing blowout of bushing in high-voltage switching installation Nov. 24, 1987
4695739 Multi-function switch-controlled lamp circuit Sep. 22, 1987
RE32474 Variable time delay apparatus for controlling the start of a vehicle Aug. 11, 1987
4678930 Microwave oven timer Jul. 7, 1987
4677310 Power supply control device for copier having timer Jun. 30, 1987
4672233 Controller with dual function switch Jun. 9, 1987
4672232 Microprocessor operated timing controller Jun. 9, 1987
4668878 Electric power switch containing selfprogrammed control timer with continuously refreshed cycle of on/off sequences May. 26, 1987
4661719 Auxiliary switching circuit Apr. 28, 1987
4651022 Digital touch operated switch Mar. 17, 1987
4642726 Solenoid operator circuit for molded case circuit breaker Feb. 10, 1987
4642479 Power distribution device Feb. 10, 1987
4641043 Printed wiring board means with isolated voltage source means Feb. 3, 1987
4636652 Electric circuit control device Jan. 13, 1987
RE32278 Muting circuit Nov. 4, 1986
4610294 Drapery actuating mechanism having dual timer Sep. 9, 1986
4602165 Switch assembly for maintaining an electric time switch clock synchronized with real time Jul. 22, 1986
4591781 Variable control circuit having a predetermined timed output May. 27, 1986
4588901 Timer control for television May. 13, 1986
4573671 Automatic setting device for slowing down a signature prior to folding in printing press chopper folders Mar. 4, 1986
4572963 Apparatus for controlling a plurality of electrical devices Feb. 25, 1986
4570216 Programmable switch Feb. 11, 1986
4564733 Current limiting control circuit for induction range Jan. 14, 1986
4547680 Fluid flow machine with an electromagnetically operated diaphragm pump Oct. 15, 1985
4543493 Electric control circuit Sep. 24, 1985
4540984 Energy saving control circuit for a light switch and a method therefor Sep. 10, 1985
4538074 Power switch Aug. 27, 1985
4536693 High-speed capacitor discharge circuit suitable for the protection of detonation devices Aug. 20, 1985
4523103 Electronic time switch Jun. 11, 1985
4521722 Appliance controller Jun. 4, 1985
4500795 Electrical timing control switch Feb. 19, 1985
4494012 Switch timer Jan. 15, 1985
4473338 Controlled well pump and method of analyzing well production Sep. 25, 1984
4467222 Timer with touch control Aug. 21, 1984
4461959 Control system for a laundry processing machine Jul. 24, 1984
4459524 Food processor Jul. 10, 1984
4454556 Timing controller for a recloser relay Jun. 12, 1984
4451763 Electronic lamp control apparatus May. 29, 1984
4451741 Electronic control for an automobile air conditioner May. 29, 1984
4433249 Energy conservation system Feb. 21, 1984
4426639 Timing apparatus Jan. 17, 1984
4420694 Muting circuit Dec. 13, 1983
4420693 Load-control system with two-conductor supply circuit Dec. 13, 1983
4415943 Equipment protector and energy saving apparatus Nov. 15, 1983

1 2 3 4 5 6 7 8










 
 
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