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Class Information
Number: 307/141.4
Name: Electrical transmission or interconnection systems > Switching systems > Switch actuation > With time delay or retardation means > Electrically initiated
Description: Subject matter having an electromagnetic operator which, when energized, mechanically initiates operation of the time delay means.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8653701 Outdoor extension line socket enabling romote controlled timing power supply Feb. 18, 2014
8120995 Electronic timer with graphic time scale display panel Feb. 21, 2012
8102246 Resetting a target device Jan. 24, 2012
7866762 Transmission brake disengagement apparatus and method of operation Jan. 11, 2011
7781920 Push-on/push-off power-switching circuit Aug. 24, 2010
7696649 Power control circuitry and method Apr. 13, 2010
7653443 Methods, systems, circuits and computer program products for electrical service demand management Jan. 26, 2010
7648387 Diagnostic jumper Jan. 19, 2010
7610119 Safety controller and system using same Oct. 27, 2009
7579565 Mechanical timer switch assembly Aug. 25, 2009
7535131 Smart switch May. 19, 2009
7507977 System and method of ion beam control in response to a beam glitch Mar. 24, 2009
7441727 Highway-rail grade crossing controller with out of service mode Oct. 28, 2008
7391133 Hybrid switch Jun. 24, 2008
7231262 Apparatus for monitoring and controlling use of equipment Jun. 12, 2007
7183672 MOSFET based, high voltage, electronic relays for AC power switching and inductive loads Feb. 27, 2007
6750568 Remote controlled auxiliary lock Jun. 15, 2004
6688329 Water feeder controller for boiler Feb. 10, 2004
6670727 Timed switch Dec. 30, 2003
6650030 Electrical device having a power supply unit, a transformer power supply unit and a control card for an electrical device Nov. 18, 2003
6548996 Optimized on/off control circuit Apr. 15, 2003
6533451 Underwater electromechanical timer Mar. 18, 2003
6519208 Locking timer and outlet cover Feb. 11, 2003
6483780 Security system using modular timers Nov. 19, 2002
6388854 Load balancing and distributing switch-on control for a circuit breaker, an appliance, a device, or an apparatus May. 14, 2002
6307812 Security system using modular timers Oct. 23, 2001
6268775 Dual capacitor oscillator circuit Jul. 31, 2001
6167000 Multiple timer display Dec. 26, 2000
6040640 Direct voltage back-up system at a power supply outlet Mar. 21, 2000
6034449 Load drive circuit Mar. 7, 2000
6028372 Daily start operation for remote vehicle starters Feb. 22, 2000
6025655 Control system, particularly for a motor vehicle Feb. 15, 2000
6020659 Ramping electronic switch system Feb. 1, 2000
6011329 Electrical circuit cycling controller Jan. 4, 2000
5986361 Automated electronically controlled microsprayer Nov. 16, 1999
5959940 Controller timer Sep. 28, 1999
5955796 Programmable wall switch actuator/timer Sep. 21, 1999
5949148 D.C. power distribution and fuse panel unit Sep. 7, 1999
5942816 Precautionary timer for kitchen range surface elements Aug. 24, 1999
5912428 Electronic circuitry for timing and delay circuits Jun. 15, 1999
5909064 Time delay relay circuit Jun. 1, 1999
5874790 Method and apparatus for a plurality of modules to independently read a single sensor Feb. 23, 1999
5831345 Priority relay circuit with timer Nov. 3, 1998
5786644 Two wire PIR occupancy sensor utilizing a rechargeable energy storage device Jul. 28, 1998
5771207 Time switch Jun. 23, 1998
5763961 Electronic switching device Jun. 9, 1998
5760493 Dishwasher and control therefor Jun. 2, 1998
5753983 Multi-function control switch for electrically operating devices May. 19, 1998
5729167 Low power consumption switch interface circuit Mar. 17, 1998
5687139 Electrical load optimization device Nov. 11, 1997

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