Helfinstine; John D.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Helfinstine; John D..The latest application filed is for "sag control of isopipes used in making sheet glass by the fusion process".

Company Profile

0.8.8

Helfinstine; John D. - Big Flats NY
Helfinstine; John D. - Big Flat NY

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Methods and apparatus for measuring elastic modulus of non-solid ceramic materials by resonance Grant 7,802,478 - Dill , et al. September 28, 2	2010-09-28
Sag control of isopipes used in making sheet glass by the fusion process Grant 7,696,115 - Helfinstine , et al. April 13, 2	2010-04-13
Sag Control Of Isopipes Used In Making Sheet Glass By The Fusion Process App 20090235692 - Helfinstine; John D. ; et al.	2009-09-24
Sag control of isopipes used in making sheet glass by the fusion process Grant 7,541,304 - Helfinstine , et al. June 2, 2	2009-06-02
Methods and apparatus for measuring elastic modulus of non-solid ceramic materials by resonance App 20090000378 - Dill; Robert J. ; et al.	2009-01-01
Pull roll assembly for drawing a glass sheet Grant 7,430,880 - Butts , et al. October 7, 2	2008-10-07
Sag control of isopipes used in making sheet glass by the fusion process Grant 7,414,001 - Helfinstine , et al. August 19, 2	2008-08-19
Sag control of isopipes used in making sheet glass by the fusion process App 20080139377 - Helfinstine; John D. ; et al.	2008-06-12
Sag control of isopipes used in making sheet glass by the fusion process Grant 7,259,119 - Helfinstine , et al. August 21, 2	2007-08-21
Sag control of isopipes used in making sheet glass by the fusion process App 20070142207 - Helfinstine; John D. ; et al.	2007-06-21
Sag control of isopipes used in making sheet glass by the fusion process App 20060094585 - Helfinstine; John D. ; et al.	2006-05-04
Sag control of isopipes used in making sheet glass by the fusion process Grant 6,974,786 - Helfinstine , et al. December 13, 2	2005-12-13
Pull roll assembly for drawing a glass sheet App 20050268655 - Butts, Dennis I. ; et al.	2005-12-08
Sag control of isopipes used in making sheet glass by the fusion process App 20040055338 - Helfinstine, John D. ; et al.	2004-03-25
Solid oxide electrolyte, fuel cell module, and method Grant 6,582,845 - Helfinstine , et al. June 24, 2	2003-06-24
Solid oxide electrolyte, fuel cell module, and method App 20020076593 - Helfinstine, John D. ; et al.	2002-06-20

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