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Class Information
Number: 340/654
Name: Communications: electrical > Condition responsive indicating system > Specific condition > Condition of electrical apparatus > Circuit energization
Description: Subject matter where the condition monitored is the state of power energization of a circuit (e.g., off or on).
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7612684 |
Dual mode RF power amplifier |
Nov. 3, 2009 |
| 7557725 |
Event signature apparatus, systems, and methods |
Jul. 7, 2009 |
| 7554454 |
Apparatus and method for simultaneously detecting the power state of a plurality of circuit breaker switches |
Jun. 30, 2009 |
| 7538684 |
Circuit health monitoring system and method |
May. 26, 2009 |
| 7468674 |
Voltage sensing hand tool |
Dec. 23, 2008 |
| 7405671 |
Power failure alarm |
Jul. 29, 2008 |
| 7369059 |
Electrical apparatus having status indicating means |
May. 6, 2008 |
| 7327275 |
Bathing system controller having abnormal operational condition identification capabilities |
Feb. 5, 2008 |
| 7321313 |
Electronic insertion/extraction cycle counter and logger device |
Jan. 22, 2008 |
| 7301736 |
Method and device for shutting down a drive with a matrix converter during a power outage |
Nov. 27, 2007 |
| 7285007 |
Combination power circuit light coding system |
Oct. 23, 2007 |
| 7262702 |
Pest control devices, systems, and methods |
Aug. 28, 2007 |
| 7259683 |
Rack |
Aug. 21, 2007 |
| 7209048 |
Device for monitoring and alerting of a power disruption to electrical equipment or an appliance |
Apr. 24, 2007 |
| 7206645 |
Mobile, unitary, wall-plugged, temperature and/or power monitoring and warning system for critical spaces |
Apr. 17, 2007 |
| 7109878 |
External infusion device with remote programming, bolus estimator and/or vibration alarm capabilities |
Sep. 19, 2006 |
| 7061386 |
Air freshener dispenser equipped with an indicator circuit for indicating an incoming call on a nearby cellular telephone |
Jun. 13, 2006 |
| 7019658 |
Cable traffic indicator |
Mar. 28, 2006 |
| 7009514 |
Self contained power disruption alert devices and methods for generating audible alerts |
Mar. 7, 2006 |
| 7006001 |
Speech-emitting celebration device |
Feb. 28, 2006 |
| 6985084 |
Visual indication equipment operation |
Jan. 10, 2006 |
| 6956489 |
Heating element condition monitor |
Oct. 18, 2005 |
| 6906617 |
Intelligent appliance home network |
Jun. 14, 2005 |
| 6867510 |
Memory mirror system for vehicles |
Mar. 15, 2005 |
| 6859349 |
Combination power circuit light coding system |
Feb. 22, 2005 |
| 6853307 |
High voltage proximity warning system and method |
Feb. 8, 2005 |
| 6844819 |
Voltage sensing hand tool |
Jan. 18, 2005 |
| 6828915 |
Circuit board fault warning system |
Dec. 7, 2004 |
| 6801045 |
Method and device for checking an operating parameter of an electric fence |
Oct. 5, 2004 |
| 6788214 |
Power outage alert electronic device |
Sep. 7, 2004 |
| 6731218 |
Voltage sensing hand tool |
May. 4, 2004 |
| 6731217 |
Electrical circuit tester |
May. 4, 2004 |
| 6636152 |
DSX illuminator |
Oct. 21, 2003 |
| 6559653 |
Three wire interface for field wiring of on/off sensors |
May. 6, 2003 |
| 6512452 |
Redundant electric trailer brake circuit |
Jan. 28, 2003 |
| 6462667 |
Energize to actuate engineered safety features actuation system and testing method therefor |
Oct. 8, 2002 |
| 6459381 |
Apparatus for detecting operation of an electric fence and fence charger |
Oct. 1, 2002 |
| 6456198 |
Fence sensor |
Sep. 24, 2002 |
| 6456204 |
Data transfer indicator circuit |
Sep. 24, 2002 |
| 6452494 |
Activating devices |
Sep. 17, 2002 |
| 6437761 |
Monitor status information storage and display |
Aug. 20, 2002 |
| 6437700 |
Ground fault circuit interrupter |
Aug. 20, 2002 |
| 6429779 |
Telephone line monitoring and alarm apparatus |
Aug. 6, 2002 |
| 6331821 |
Combination current sensor and relay |
Dec. 18, 2001 |
| 6323759 |
Snowplow diagnostic system |
Nov. 27, 2001 |
| 6313635 |
High voltage sensor assembly |
Nov. 6, 2001 |
| 6300879 |
Wake-up circuit for a remotely located vehicle control module |
Oct. 9, 2001 |
| 6300877 |
DSX baytracer illuminator |
Oct. 9, 2001 |
| 6265981 |
Apparatus for detecting operation of an electric fence and fence charger |
Jul. 24, 2001 |
| 6198401 |
Detection of sub-cycle, self-clearing faults |
Mar. 6, 2001 |
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