Inventor · disambiguated record
John D. Helfinstine
Also filed as: HELFINSTINE JOHN D · HELFINSTINE JOHN DAVID
10 granted patents·243 citations·filing 2000–2009
90Inventor score
Top patents by PatentIndex Score
10 records- 0195US6974786B2Sag control of isopipes used in making sheet glass by the fusion processCORNING INC·Filed 2003·Granted Dec 13, 2005·76 cites·23 claims
- 0294US7414001B2Sag control of isopipes used in making sheet glass by the fusion processCORNING INC·Filed 2007·Granted Aug 19, 2008·19 cites·8 claims
- 0393US6582845B2Solid oxide electrolyte, fuel cell module, and methodCORNING INC·Filed 2000·Granted Jun 24, 2003·86 cites·9 claims
- 0491US7430880B2Pull roll assembly for drawing a glass sheetCORNING INC·Filed 2004·Granted Oct 7, 2008·41 cites·5 claims
- 0589US7259119B2Sag control of isopipes used in making sheet glass by the fusion processCORNING INC·Filed 2005·Granted Aug 21, 2007·10 cites·16 claims
- 0677US7541304B2Sag control of isopipes used in making sheet glass by the fusion processCORNING INC·Filed 2008·Granted Jun 2, 2009·4 cites·10 claims
- 0771US7802478B2Methods and apparatus for measuring elastic modulus of non-solid ceramic materials by resonanceCORNING INC·Filed 2007·Granted Sep 28, 2010·4 cites·18 claims
- 0870US7696115B2Sag control of isopipes used in making sheet glass by the fusion processCORNING INC·Filed 2009·Granted Apr 13, 2010·2 cites·5 claims
- 0966US7803494B2Stress reducing mounting for electrolyte sheet assembly in a solid oxide fuel cellCORNING INC·Filed 2005·Granted Sep 28, 2010·1 cites·12 claims
- 1032US8074518B2Systems and methods for measuring the specific modulus of cellular ceramic bodiesHELFINSTINE JOHN DAVID·Filed 2008·Granted Dec 13, 2011·0 cites·10 claims
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