David W. Kirschnik

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Germantown, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
System for detection of a ground fault in a high resistance ground...
- Patent number 9,612,269
- Issue date Apr 4, 2017
- Rockwell Automation Technologies, Inc.
- Lixiang Wei
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Ground scheme identification method
- Patent number 8,841,917
- Issue date Sep 23, 2014
- Rockwell Automation Technologies, Inc.
- Lixiang Wei
- G01 - MEASURING TESTING
Information Patent Grant
System for detection of a ground fault in a high resistance ground...
- Patent number 8,698,504
- Issue date Apr 15, 2014
- Rockwell Automation Technologies, Inc.
- Lixiang Wei
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Systems and methods for reducing AC drive common-mode currents
- Patent number 7,881,081
- Issue date Feb 1, 2011
- Rockwell Automation Technologies, Inc.
- Rangarajan M. Tallam
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
GROUND SCHEME IDENTIFICATION METHOD
- Publication number 20150009726
- Publication date Jan 8, 2015
- Rockwell Automation Technologies, Inc.
- Lixiang Wei
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM FOR DETECTION OF A GROUND FAULT IN A HIGH RESISTANCE GROUND...
- Publication number 20140225625
- Publication date Aug 14, 2014
- Rockwell Automation Technologies, Inc.
- Lixiang Wei
- G01 - MEASURING TESTING
Information Patent Application
GROUND SCHEME IDENTIFICATION METHOD
- Publication number 20120249038
- Publication date Oct 4, 2012
- Rockwell Automation Technologies, Inc.
- Lixiang Wei
- G01 - MEASURING TESTING
Information Patent Application
SYSTEM FOR DETECTION OF A GROUND FAULT IN A HIGH RESISTANCE GROUND...
- Publication number 20120086458
- Publication date Apr 12, 2012
- Rockwell Automation Technologies, Inc.
- Lixiang Wei
- G01 - MEASURING TESTING