Inventor · disambiguated record
David H. Sturgis
Also filed as: STURGIS DAVID H · STURGIS DAVID HOWARD
17 granted patents·6 pending applications·426 citations·filing 1974–2015
95Inventor score
Files withPCC STRUCTURALS INC8PRECISION CASTPARTS CORP7BUNTROCK IND INC2HOWMET CORP2STURGIS DAVID H1
Top patents by PatentIndex Score
23 records- 0194US3957715ACasting of high melting point metals and cores thereforHOWMET CORP·Filed 1974·Granted May 18, 1976·42 cites·31 claims
- 0288US5407001AYttria-zirconia slurries and mold facecoats for casting reactive metalsPRECISION CASTPARTS CORP·Filed 1993·Granted Apr 18, 1995·57 cites·20 claims
- 0387US3981352AMetal casting mold with bonded particle filterHOWMET CORP·Filed 1975·Granted Sep 21, 1976·25 cites·5 claims
- 0483US6619368B1Method for imaging inclusions in investment castingsPCC STRUCTURALS INC·Filed 2000·Granted Sep 16, 2003·25 cites·80 claims
- 0583US5464797AYttria-zirconia slurries and mold facecoats for casting reactive metalsPRECISION CASTPARTS CORP·Filed 1994·Granted Nov 7, 1995·38 cites·8 claims
- 0682US6390179B1Method for processing materials to increase slurry lifetimePCC STRUCTURALS INC·Filed 2000·Granted May 21, 2002·21 cites·27 claims
- 0781US4996175ARefractory composition and method for metal castingPRECISION CASTPARTS CORP·Filed 1988·Granted Feb 26, 1991·32 cites·19 claims
- 0880US5624604AMethod for stabilizing ceramic suspensionsFiled 1994·Granted Apr 29, 1997·36 cites·50 claims
- 0975US5643844AMethod for stabilizing ceramic suspensionsPRECISION CASTPARTS CORP·Filed 1994·Granted Jul 1, 1997·29 cites·40 claims
- 1074US5927379AInfiltration method for producing shells useful for investment castingPCC STRUCTURALS INC·Filed 1996·Granted Jul 27, 1999·31 cites·51 claims
- 1173US6024163AInvestment casting brittle, reactive materialsPRECISION CASTPARTS CORP·Filed 1997·Granted Feb 15, 2000·34 cites·67 claims
- 1268US4815516AMethod for recovering casting refractory compositions from investment casting shell moldsPRECISION CASTPARTS CORP·Filed 1988·Granted Mar 28, 1989·11 cites·31 claims
- 1367US6920913B2Method for processing casting materials to increase slurry lifetimePCC STRUCTURALS INC·Filed 2003·Granted Jul 26, 2005·8 cites·34 claims
- 1465US4799530AMethod for recovering casting refractory compositions from investment casting slurriesPRECISION CASTPARTS CORP·Filed 1988·Granted Jan 24, 1989·13 cites·30 claims
- 1559US8980778B2Mold system for casting of reactive alloysSTURGIS DAVID H·Filed 2007·Granted Mar 17, 2015·1 cites·18 claims
- 1656US2009075809A1Mold System for the Casting of Reactive AlloysBUNTROCK IND INC·Filed 2008·Application pending·0 cites
- 1754US2015183024A1Mold System for Casting of Reactive AlloysBUNTROCK IND INC·Filed 2015·Application pending·0 cites
- 1852US6102099AMethod for imaging inclusions in investment castingsPCC STRUCTURALS INC·Filed 1998·Granted Aug 15, 2000·15 cites·61 claims
- 1947US2003205359A1Method for imaging inclusions in investment castingsPCC STRUCTURALS INC·Filed 2002·Application pending·0 cites
- 2046US6326429B1Polymeric organic carbonate materials useful as fillers for investment casting waxesPCC STRUCTURALS INC·Filed 1999·Granted Dec 4, 2001·8 cites·45 claims
- 2145US2003136540A1Method for imaging inclusions in investment castingsFiled 2002·Application pending·0 cites
- 2243US2004138049A1Method and composition for solvent extraction of material from a moldingPCC STRUCTURALS INC·Filed 2003·Application pending·0 cites
- 2334US2003150294A1Filters for filtering molten metals and alloys fieldFiled 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when David H. Sturgis files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →