| Patent | Date |
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String And System Employing Direct Current Electrical Generating Modules And A Number Of String Protectors
App 20160181781 - LUEBKE; CHARLES J. ; et al. | 2016-06-23 |
Protection, monitoring or indication apparatus for a direct current electrical generating apparatus or a plurality of strings
Grant 8,837,097 - Zuercher , et al. September 16, 2 | 2014-09-16 |
Direct current arc fault circuit interrupter, direct current arc fault detector, noise blanking circuit for a direct current arc fault circuit interrupter, and method of detecting arc faults
Grant 8,218,274 - Hastings , et al. July 10, 2 | 2012-07-10 |
Protection, Monitoring Or Indication Apparatus For A Direct Current Electrical Generating Apparatus Or A Plurality Of Strings
App 20110301772 - ZUERCHER; JOSEPH C. ; et al. | 2011-12-08 |
Power distribution system and electrical switching apparatus employing a filter trap circuit to provide arc fault trip coordination
Grant 8,040,644 - Hastings , et al. October 18, 2 | 2011-10-18 |
Direct Current Arc Fault Circuit Interrupter, Direct Current Arc Fault Detector, Noise Blanking Circuit For A Direct Current Arc Fault Circuit Interrupter, And Method Of Detecting Arc Faults
App 20110141644 - Hastings; Jerome K. ; et al. | 2011-06-16 |
String And System Employing Direct Current Electrical Generating Modules And A Number Of String Protectors
App 20110090607 - LUEBKE; CHARLES J. ; et al. | 2011-04-21 |
Power Distribution System And Electrical Switching Apparatus Employing A Filter Trap Circuit To Provide Arc Fault Trip Coordination
App 20100149700 - Hastings; Jerome K. ; et al. | 2010-06-17 |
Electrical switching apparatus and method employing acoustic and current signals to distinguish between parallel and series arc faults
Grant 7,403,129 - Zhou , et al. July 22, 2 | 2008-07-22 |
Arc fault circuit interrupter
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Arc fault detector responsive to patterns in interval to interval change in integrated sensed current values
Grant 7,349,188 - Zuercher , et al. March 25, 2 | 2008-03-25 |
Electrical switching apparatus and method employing acoustic and current signals to distinguish between parallel and series arc faults
App 20070263329 - Zhou; Xin ; et al. | 2007-11-15 |
Arc fault detector and method for locating an arc fault
Grant 7,253,640 - Engel , et al. August 7, 2 | 2007-08-07 |
Electrical switching apparatus and method including fault detection employing acoustic signature
Grant 7,148,696 - Zhou , et al. December 12, 2 | 2006-12-12 |
Arc fault detector responsive to patterns in interval to interval change in integrated sensed current values
App 20060274460 - Zuercher; Joseph C. ; et al. | 2006-12-07 |
Electrical switching apparatus and method including fault detection employing acoustic signature
App 20060164097 - Zhou; Xin ; et al. | 2006-07-27 |
Apparatus and method for real time determination of arc fault energy, location and type
Grant 7,068,045 - Zuercher , et al. June 27, 2 | 2006-06-27 |
Arc fault circuit interrupter
App 20060018060 - Elms; Robert T. ; et al. | 2006-01-26 |
Apparatus and method for real time determination of arc fault energy, location and type
App 20050017731 - Zuercher, Joseph C. ; et al. | 2005-01-27 |
Arc fault detector and method for locating an arc fault
App 20040136124 - Engel, Joseph C. ; et al. | 2004-07-15 |
Detection of arcing in dc electrical systems
App 20040027749 - Zuercher, Joseph C. ; et al. | 2004-02-12 |
Arc fault detector immune to dimmer transients and a circuit breaker incorporating the same
Grant 6,639,768 - Zuercher , et al. October 28, 2 | 2003-10-28 |
Arc fault detector immune to dimmer transients and a circuit breaker incorporating the same
App 20030117754 - Zuercher, Joseph C. ; et al. | 2003-06-26 |
Method and apparatus for detecting and suppressing a parallel ARC fault
App 20030063420 - Pahl, Birger ; et al. | 2003-04-03 |
Apparatus for detecting arcing and overcurrents in dc electrical systems subject to cyclic disturbances
App 20030038640 - Zuercher, Joseph C. ; et al. | 2003-02-27 |
Back-up protection sensor for a vehicle
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Backup proximity sensor for a vehicle
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Back-up proximity sensor for a vehicle
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Apparatus for envelope detection of low current arcs
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Electromagnetic wave reflective type, low cost, active proximity sensor for harsh environments
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