Robert Alfred Duchrow

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Menomonee Falls, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Contactor assembly with arc steering system
- Patent number 8,334,740
- Issue date Dec 18, 2012
- Rockwell Automation Technologies, Inc.
- Jeffrey Ramsey Annis
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Method of manufacturing a current switch magnetic intensifier
- Patent number 7,958,623
- Issue date Jun 14, 2011
- Rockwell Automation Technologies, Inc.
- Jeffrey Ramsey Annis
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Gas diverter for an electrical switching device
- Patent number 7,750,770
- Issue date Jul 6, 2010
- Rockwell Automation Technologies, Inc.
- Robert A. Duchrow
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Contactor assembly with arc steering system
- Patent number 7,723,634
- Issue date May 25, 2010
- Rockwell Automation Technologies, Inc.
- Jeffrey Ramsey Annis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of manufacturing a switch assembly
- Patent number 7,716,816
- Issue date May 18, 2010
- Rockwell Automation Technologies, Inc.
- Jeffrey Ramsey Annis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Contactor assembly with arc steering system
- Patent number 7,551,050
- Issue date Jun 23, 2009
- Rockwell Automation Technologies, Inc.
- Jeffrey Ramsey Annis
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Contactor Assembly With Arc Steering System
- Publication number 20110133870
- Publication date Jun 9, 2011
- Jeffrey Ramsey Annis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Contactor Assembly With Arc Steering System
- Publication number 20090102585
- Publication date Apr 23, 2009
- Jeffrey Ramsey Annis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Contractor Assembly With Arc Steering System
- Publication number 20090094820
- Publication date Apr 16, 2009
- Jeffrey Ramsey Annis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Gas diverter for an electrical switching device
- Publication number 20080074217
- Publication date Mar 27, 2008
- Rockwell Automation Technologies, Inc.
- Robert A. Duchrow
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CONTACTOR ASSEMBLY WITH ARC STEERING SYSTEM
- Publication number 20080073327
- Publication date Mar 27, 2008
- Jeffrey Ramsey Annis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Contactor assembly with arc steering system
- Publication number 20080074216
- Publication date Mar 27, 2008
- Rockwell Automation Technologies, Inc.
- Jeffrey Ramsey Annis
- H01 - BASIC ELECTRIC ELEMENTS