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Class Information
Number: 340/638
Name: Communications: electrical > Condition responsive indicating system > Specific condition > Condition of electrical apparatus > Fuse or circuit breaker
Description: Subject matter where the device is current level responsive circuit interrupting device.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7612654 |
System and method for circuit protector monitoring and management |
Nov. 3, 2009 |
| 7592893 |
Multiple conductor indicator |
Sep. 22, 2009 |
| 7592924 |
Intelligent life testing methods and apparatus for leakage current protection |
Sep. 22, 2009 |
| 7589625 |
Wireless system with multi-device control |
Sep. 15, 2009 |
| 7576635 |
Circuit protector signal transmission, methods and system |
Aug. 18, 2009 |
| 7561059 |
Anti-tamper electronic obscurity using E-fuse technology |
Jul. 14, 2009 |
| 7557724 |
Device for detecting a fault current in an electronic apparatus |
Jul. 7, 2009 |
| 7554454 |
Apparatus and method for simultaneously detecting the power state of a plurality of circuit breaker switches |
Jun. 30, 2009 |
| 7535371 |
Ground fault circuit interrupter with end-of-life protection |
May. 19, 2009 |
| 7532096 |
Auxiliary switch including movable slider member and electric power apparatus employing same |
May. 12, 2009 |
| 7528732 |
Fire alarm device and method |
May. 5, 2009 |
| 7525441 |
Intelligent life testing methods and apparatus for leakage current protection device with indicating means |
Apr. 28, 2009 |
| 7522064 |
Apparatus and methods for testing the life of a leakage current protection device |
Apr. 21, 2009 |
| 7511505 |
Centralized connector module having component diagnostic capability, refrigeration unit incorporating the same and methods of assembling and troubleshooting a refrigeration unit |
Mar. 31, 2009 |
| 7495574 |
Electrical system controlling device with wireless communication link |
Feb. 24, 2009 |
| 7417554 |
Wireless system for one or more electrical switching apparatus |
Aug. 26, 2008 |
| 7408274 |
Control and operating condition monitoring of dual series switch contactors for electric motor or other electrical load |
Aug. 5, 2008 |
| 7405671 |
Power failure alarm |
Jul. 29, 2008 |
| 7403129 |
Electrical switching apparatus and method employing acoustic and current signals to distinguish between parallel and series arc faults |
Jul. 22, 2008 |
| 7397384 |
Track lighting system current limiting device |
Jul. 8, 2008 |
| 7391299 |
Circuit protector monitoring and management system user interface method, system and program |
Jun. 24, 2008 |
| 7385518 |
Compact fused disconnect switch |
Jun. 10, 2008 |
| 7369029 |
Wireless communication fuse state indicator system and method |
May. 6, 2008 |
| 7369030 |
Fuse state indicator |
May. 6, 2008 |
| 7339486 |
Insertion type fuse with breakage indication |
Mar. 4, 2008 |
| 7324005 |
Modular surge protection |
Jan. 29, 2008 |
| 7301738 |
Method and apparatus for minimally invasive network monitoring |
Nov. 27, 2007 |
| 7253740 |
Method and apparatus for monitoring for failure temperatures of a structure |
Aug. 7, 2007 |
| 7221283 |
Circuit interrupter locator device |
May. 22, 2007 |
| 7191510 |
Electroluminescent (EL) lamp with current limiting fuse |
Mar. 20, 2007 |
| 7171317 |
Load information display device and circuit breaker |
Jan. 30, 2007 |
| 7167351 |
Faulted current indicator |
Jan. 23, 2007 |
| 7154405 |
Use indicator |
Dec. 26, 2006 |
| 7126488 |
Method and apparatus used in combination for installing a blown fuse indicator light within a pre-existing fuse housing |
Oct. 24, 2006 |
| 7123156 |
Lighted status indicator corresponding to the positions of circuit breaker, switch or fuse |
Oct. 17, 2006 |
| 7109877 |
Fault monitoring apparatus and method |
Sep. 19, 2006 |
| 7091831 |
Method and apparatus for attaching power line communications to customer premises |
Aug. 15, 2006 |
| 7049973 |
Compact fused disconnect switch |
May. 23, 2006 |
| 7030769 |
Monitor providing cause of trip indication and circuit breaker incorporating the same |
Apr. 18, 2006 |
| 7009514 |
Self contained power disruption alert devices and methods for generating audible alerts |
Mar. 7, 2006 |
| 7005995 |
System and method for remotely detecting and locating damaged conductors in a power system |
Feb. 28, 2006 |
| 6956490 |
Projector with consumable component having memory device |
Oct. 18, 2005 |
| 6891478 |
Methods and apparatus for controlling electric appliances during reduced power conditions |
May. 10, 2005 |
| 6849968 |
Switch unit |
Feb. 1, 2005 |
| 6825771 |
Identification system |
Nov. 30, 2004 |
| 6788214 |
Power outage alert electronic device |
Sep. 7, 2004 |
| 6774803 |
Fault trip indicator and maintenance method for a circuit breaker |
Aug. 10, 2004 |
| 6703938 |
Electrical panel safety monitor |
Mar. 9, 2004 |
| 6696969 |
Compact fused disconnect switch |
Feb. 24, 2004 |
| 6667691 |
Apparatus for the detection and early warning of electrical arcing fault |
Dec. 23, 2003 |
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