Douglas A. Hoffmann

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Hebron, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing S-glass fibers in a direct melt operation a...
- Patent number 10,407,342
- Issue date Sep 10, 2019
- OCV Intellectual Capital, LLC
- Peter B. McGinnis
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of manufacturing high performance glass fibers in a refracto...
- Patent number 7,823,417
- Issue date Nov 2, 2010
- OCV Intellectual Capital, LLC
- Douglas A. Hoffmann
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MANUFACTURING S-GLASS FIBERS IN A DIRECT MELT OPERATION A...
- Publication number 20170283310
- Publication date Oct 5, 2017
- OCV Intellectual Capital, LLC.
- Peter B. McGinnis
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Method of Manufacturing High Performance Glass Fibers in a Refracto...
- Publication number 20110000263
- Publication date Jan 6, 2011
- OCV Intellectual Capital, LLC.
- Douglas A. Hoffmann
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Method of manufacturing high performance glass fibers in a refracto...
- Publication number 20070105701
- Publication date May 10, 2007
- Douglas A. Hoffmann
- C03 - GLASS MINERAL OR SLAG WOOL