Norman S. Shelvik

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West Allis, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Safety timer crosscheck diagnostic in a dual-CPU safety system
- Patent number 7,617,412
- Issue date Nov 10, 2009
- Rockwell Automation Technologies, Inc.
- Norman S. Shelvik
- G05 - CONTROLLING REGULATING
Information Patent Grant
Safety controller providing rapid recovery of safety program data
- Patent number 7,027,880
- Issue date Apr 11, 2006
- Rockwell Automation Technologies, Inc.
- Joseph Paul Izzo
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Program structure and method for industrial control
- Patent number 6,272,388
- Issue date Aug 7, 2001
- Rockwell Technologies, LLC
- Raymond L. Buvel
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Safety timer crosscheck diagnostic in a dual-CPU safety system
- Publication number 20080155318
- Publication date Jun 26, 2008
- Rockwell Automation Technologies, Inc.
- Norman S. Shelvik
- G05 - CONTROLLING REGULATING
Information Patent Application
Safety controller providing rapid recovery of safety program data
- Publication number 20050071022
- Publication date Mar 31, 2005
- Joseph Paul Izzo
- G06 - COMPUTING CALCULATING COUNTING