Inventor · disambiguated record
Virginia H. Houlding
Also filed as: HOULDING VIRGINIA · HOULDING VIRGINIA H
10 granted patents·208 citations·filing 1993–2005
91Inventor score
Top patents by PatentIndex Score
10 records- 0191US7314506B2Fluid purification system with low temperature purifierMATHESON TRI GAS INC·Filed 2005·Granted Jan 1, 2008·36 cites·18 claims
- 0286US5344517AMethod for lift-off of epitaxial layers and applications thereofBANDGAP TECH CORP·Filed 1993·Granted Sep 6, 1994·73 cites·18 claims
- 0383US6797036B2Method for removing impurities from process gas streamMATHESON TRI GAS INC·Filed 2002·Granted Sep 28, 2004·19 cites·11 claims
- 0482US6425946B1Method and apparatus for removing trace impurities from a gas using superactivated carbon materialMATHESON TRI GAS INC·Filed 2000·Granted Jul 30, 2002·30 cites·22 claims
- 0581US6547861B2Method and materials for purifying reactive gases using preconditioned ultra-low emission carbon materialMATHESON TRI GAS INC·Filed 2001·Granted Apr 15, 2003·28 cites·23 claims
- 0665US6783577B2Gas purifier system containing an ultra-low emission carbon materialMATHESON TRI GAS INC·Filed 2002·Granted Aug 31, 2004·6 cites·20 claims
- 0759US6783576B2Gas purifier system for removing trace impurities from a reactive fluidMATHESON TRI GAS INC·Filed 2002·Granted Aug 31, 2004·8 cites·18 claims
- 0854US6710012B2Method for producing an ultra-low emission carbon materialMATHESON TRI GAS INC·Filed 2002·Granted Mar 23, 2004·6 cites·15 claims
- 0945US6720282B2Method for producing a preconditioned ultra-low emission carbon materialMATHESON TRI GAS INC·Filed 2002·Granted Apr 13, 2004·0 cites·13 claims
- 1042US6709482B2Method for reducing trace impurities from a reactive fluid using preconditioned ultra-low emission carbon materialMATHESON TRI GAS INC·Filed 2002·Granted Mar 23, 2004·2 cites·11 claims
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