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Class Information
Number: 361/1
Name: Electricity: electrical systems and devices > Safety and protection of systems and devices
Description: Subject matter relating to the safety and protection of electrical systems and devices which include either fault sensing means which activate a protective means to remove a fault condition or a protective means which detects and removes the fault condition.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7626286 |
Method for mains-synchronous switching of circuit breakers, and an apparatus for carrying out this method |
Dec. 1, 2009 |
| 7608304 |
Substrate carrying method and substrate carrying apparatus |
Oct. 27, 2009 |
| 7570062 |
Method of actuating a test function of an electrical switching apparatus and electrical switching apparatus employing the same |
Aug. 4, 2009 |
| 7551411 |
Control and protection methodologies for a motor control module |
Jun. 23, 2009 |
| 7542250 |
Micro-electromechanical system based electric motor starter |
Jun. 2, 2009 |
| 7518838 |
Protection of variable frequency power systems from excessive peak electrical potentials |
Apr. 14, 2009 |
| 7489484 |
Protective device for a controlling system of a sewage pump |
Feb. 10, 2009 |
| 7486490 |
Actuator for the actuation of a clutch and/or a gear mechanism |
Feb. 3, 2009 |
| 7484612 |
Overload protection device comprising an electric switching unit |
Feb. 3, 2009 |
| 7463463 |
Motor controller and motor temperature estimation method for the same |
Dec. 9, 2008 |
| 7460929 |
Integrated current fault controller |
Dec. 2, 2008 |
| 7433164 |
Ceiling fan motor control module |
Oct. 7, 2008 |
| 7428131 |
Safety shield for use with different diameter racking rods and an adaptor for use therewith |
Sep. 23, 2008 |
| 7417388 |
Running machine with wheels |
Aug. 26, 2008 |
| 7401237 |
Power supplying method and apparatus and a system using the same |
Jul. 15, 2008 |
| 7370218 |
Portable computer power control apparatus and method |
May. 6, 2008 |
| 7352546 |
Motor overcurrent protection device |
Apr. 1, 2008 |
| 7337081 |
Metering device with control functionality and method thereof |
Feb. 26, 2008 |
| 7330126 |
Power supply controller |
Feb. 12, 2008 |
| 7319922 |
Protective device and method for installation of a protective function in a protective device |
Jan. 15, 2008 |
| 7312716 |
Wireless communication using an intrinsically safe design for use in a hazardous area |
Dec. 25, 2007 |
| 7301736 |
Method and device for shutting down a drive with a matrix converter during a power outage |
Nov. 27, 2007 |
| 7301737 |
Motor power line break detection method in AC servo driver |
Nov. 27, 2007 |
| 7297192 |
Flame retardant and flame-retardant resin composition containing the same and its use |
Nov. 20, 2007 |
| 7235900 |
Switching apparatus and method for varying a phase line impedance of an electric power transport line section |
Jun. 26, 2007 |
| 7224287 |
Method for determining the switching state of a contact and evaluation circuit corresponding thereto |
May. 29, 2007 |
| 7215518 |
Motor power supply line breaking detection method, motor control apparatus and electric power steering mechanism using the same and computer program thereof |
May. 8, 2007 |
| 7206257 |
Acoustic remote caviation as a destruction device |
Apr. 17, 2007 |
| 7184249 |
Electric motor circuit with overload protection |
Feb. 27, 2007 |
| 7184251 |
Power supply with internally limited outputs for use in lighting systems for direct mounting onto a junction box |
Feb. 27, 2007 |
| 7127371 |
Customized medical equipment preventative maintenance method and system |
Oct. 24, 2006 |
| 7103453 |
Installation of a protective function in a protective device for an electrical power distribution network |
Sep. 5, 2006 |
| 7076311 |
Configurable safety system for implementation on industrial system and method of implementing same |
Jul. 11, 2006 |
| 7065593 |
Centralized, double bandwidth, directional, shared bus communication system architecture |
Jun. 20, 2006 |
| 7054121 |
Protection circuit for preventing unauthorized access to the memory device of a processor |
May. 30, 2006 |
| 6992466 |
Waveform control system |
Jan. 31, 2006 |
| 6943999 |
Low cost safety switch interlock defeat operator |
Sep. 13, 2005 |
| 6944559 |
Channel isolation by switched grounds |
Sep. 13, 2005 |
| 6936911 |
Semiconductor integrated circuit device |
Aug. 30, 2005 |
| 6909372 |
Power monitoring unit, control method therefor, and exposure apparatus |
Jun. 21, 2005 |
| 6901520 |
Power supply protection apparatus for computer system |
May. 31, 2005 |
| 6867703 |
Safety-protection circuit |
Mar. 15, 2005 |
| 6829123 |
Device safety system and method |
Dec. 7, 2004 |
| 6717384 |
Frequency changer protection circuit for controlling the acceleration of an electric vehicle |
Apr. 6, 2004 |
| 6690283 |
Protective device and communication device |
Feb. 10, 2004 |
| 6689994 |
Antenna radiation heater for heating a material by using resonance |
Feb. 10, 2004 |
| 6605908 |
Stopper protection circuit of electronic ballast for fluorescent lamp |
Aug. 12, 2003 |
| 6542846 |
Thermal management system for a portable ultrasound imaging device |
Apr. 1, 2003 |
| 6478589 |
Electrical service apparatus safety shield with wire guides |
Nov. 12, 2002 |
| 6459707 |
Relay multiplexer system and method for prevention of shock hazard |
Oct. 1, 2002 |
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