David F. Purvis

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Newark, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Reduced alloy bushing flange
- Patent number 8,171,754
- Issue date May 8, 2012
- OCV Intellectual Capital, LLC
- David F. Purvis
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Palladium screens for bushing assembly and method of using
- Patent number 8,001,807
- Issue date Aug 23, 2011
- OCV Intellectual Capital, LLC
- David F. Purvis
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Multiple alloy bushing assembly
- Patent number 7,980,099
- Issue date Jul 19, 2011
- OCV Intellectual Capital, LLC
- Todd M. Harms
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Terminal Clamp for Horizontal Ear Bushing
- Publication number 20110100065
- Publication date May 5, 2011
- OCV Intellectual Capital, LLC.
- Byron L. Bemis
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Reduced alloy bushing flange
- Publication number 20090107183
- Publication date Apr 30, 2009
- David F. Purvis
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Multiple alloy bushing assembly
- Publication number 20080223082
- Publication date Sep 18, 2008
- Todd M. Harms
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Palladium screens for bushing assembly
- Publication number 20080141726
- Publication date Jun 19, 2008
- David F. Purvis
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Refractory system for bushing assembly
- Publication number 20080141727
- Publication date Jun 19, 2008
- Timothy A. Sullivan
- C03 - GLASS MINERAL OR SLAG WOOL