Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 361/94
Name: Electricity: electrical systems and devices > Safety and protection of systems and devices > With specific current responsive fault sensor > With time delay protective means
Description: Subject matter wherein the protective means is activated at a predetermined time after the fault is sensed.










Sub-classes under this class:

Class Number Class Name Patents
361/99 Combined thermal-electromagnetic relay 26
361/98 Transistorized 202
361/95 With instantaneous override 50
361/97 With multiple timing characteristics 136


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

Patent Number Title Of Patent Date Issued
8710406 Safety device and method for electric heating appliances Apr. 29, 2014
8713332 System and method of supplying an electrical system with direct current Apr. 29, 2014
8686596 Fuse box system and method Apr. 1, 2014
8570700 Protection apparatus for load circuit Oct. 29, 2013
8521454 Zone selective interlocking test method and apparatus, and circuit interrupter apparatus and power distribution system including the same Aug. 27, 2013
8464078 Delay circuit with reset feature Jun. 11, 2013
8451574 Method and system for through fault detection in electrical devices May. 28, 2013
8437110 Protection apparatus of load circuit May. 7, 2013
8437112 Circuit breaker with time-delay function May. 7, 2013
8436352 Semiconductor integrated circuit May. 7, 2013
8432657 Protection apparatus of load circuit Apr. 30, 2013
8385038 Circuit breaker switching control system Feb. 26, 2013
8373373 Input circuit for alternating current signal, and motor starter including the same Feb. 12, 2013
8351171 Integrated automatic selection of maintenance mode in electronic tripping systems to minimize arc fault energy Jan. 8, 2013
8315028 Overcurrent protection apparatus Nov. 20, 2012
8284535 Backup tripping function for a circuit breaker with microcontroller-based fault detection Oct. 9, 2012
8279571 Electrical power switching with efficient switch protection Oct. 2, 2012
8280653 Zone selective interlocking test method and apparatus, and circuit interrupter apparatus and power distribution system including the same Oct. 2, 2012
8270135 Transistor half-bridge control Sep. 18, 2012
8270138 Power supply controller and threshold adjustment method thereof Sep. 18, 2012
8264805 Dual voltage hot swap module power control Sep. 11, 2012
8237309 Arrangement having parallel-connected DC power supply units Aug. 7, 2012
8184419 Power supply with current limiting circuits May. 22, 2012
8143858 Electrical apparatus, electrical apparatus system, and power supply apparatus Mar. 27, 2012
8139333 Short circuit protection circuit Mar. 20, 2012
8054605 Power supply controller Nov. 8, 2011
8045311 Load driving and diagnosis system and control method Oct. 25, 2011
8023235 Multifunctional residential circuit breaker Sep. 20, 2011
8018704 Parallel analog and digital timers in power controller circuit breaker Sep. 13, 2011
7983014 Disconnector and overvoltage protection device Jul. 19, 2011
7952842 Circuit interrupter May. 31, 2011
7940507 Switching control circuit and self-excited DC-DC converter May. 10, 2011
7940506 Automated AC line filter and surge suppression apparatus and method May. 10, 2011
7920976 Averaging in an intelligent electronic device Apr. 5, 2011
7889471 Power supply particularly for a meter-bus Feb. 15, 2011
7843674 Motor drive circuit Nov. 30, 2010
7835126 Resettable short-circuit protection circuit Nov. 16, 2010
7800872 Switch-state monitoring device Sep. 21, 2010
7755874 Switching control circuit and self excited DC-DC converter Jul. 13, 2010
7692906 Device for protecting an integrated circuit against latch-up phenomena Apr. 6, 2010
7672104 Current protection apparatus and method Mar. 2, 2010
7642677 Controlling inrush current from a power supply to a load Jan. 5, 2010
7616422 Over current protection circuit for power supplies Nov. 10, 2009
7595969 Undervoltage warning method, undervoltage warning circuit and switching power supply Sep. 29, 2009
7583060 Protective circuit for a secondary battery pack and method of operating the same Sep. 1, 2009
7573393 Integrated fault output/fault response delay circuit Aug. 11, 2009
7499252 Driver circuit Mar. 3, 2009
7468877 Overcurrent detection circuit and power supply apparatus provided therewith Dec. 23, 2008
7440246 Circuit interrupting apparatus with remote test and reset activation Oct. 21, 2008
7417840 Self-supplied electronic protection device for automatic circuit-breakers Aug. 26, 2008

1 2 3 4 5 6 7 8










 
 
  Recently Added Patents
Scanning projection apparatus with tangential compensation
Anti-infective agents and uses thereof
Gemstone
Nanofibers containing latent reactive groups
Compositions of quaternary ammonium compounds containing bioavailability enhancers
System and method for self service marketing research
Authorization method for location based services
  Randomly Featured Patents
Water jet guided laser device having light guide pipe
Polishing device
Powder level sensing device
Plasma focus light source with tandem ellipsoidal mirror units
Method for imparting music score reading and keyboard performance skills
Emergency hand truck
Ceiling device system for securing of devices in a ceiling
Audio and video signal recording apparatus and method having a function of informing user when the signal is protected from recording
Laser repair operation
Recording medium package