Inventor · disambiguated record
Douglas A. Keller
Also filed as: KELLER DOUGLAS A · KELLER DOUGLAS ALLEN
23 granted patents·3 pending applications·893 citations·filing 2001–2008
97Inventor score
Files withSIEMENS ENERGY INC9SIEMENS POWER GENERATION INC7STEVENS KENNETH A4KELLER DOUGLAS A2GONZALEZ MALBERTO1
Top patents by PatentIndex Score
26 records- 0199US7726936B2Turbine engine ring sealSIEMENS ENERGY INC·Filed 2006·Granted Jun 1, 2010·98 cites·16 claims
- 0298US7278820B2Ring seal system with reduced cooling requirementsSIEMENS POWER GENERATION INC·Filed 2005·Granted Oct 9, 2007·81 cites·16 claims
- 0397US8257809B2CMC wall structure with integral cooling channelsMORRISON JAY A·Filed 2007·Granted Sep 4, 2012·47 cites·19 claims
- 0497US7950234B2Ceramic matrix composite turbine engine components with unitary stiffening frameSIEMENS ENERGY INC·Filed 2006·Granted May 31, 2011·81 cites·19 claims
- 0597US7534086B2Multi-layer ring sealSIEMENS ENERGY INC·Filed 2006·Granted May 19, 2009·44 cites·19 claims
- 0697US7494317B2Ring seal attachment systemSIEMENS ENERGY INC·Filed 2005·Granted Feb 24, 2009·75 cites·16 claims
- 0797US7247003B2Stacked lamellate assemblySIEMENS POWER GENERATION INC·Filed 2005·Granted Jul 24, 2007·57 cites·13 claims
- 0895US7563071B2Pin-loaded mounting apparatus for a refractory component in a combustion turbine engineSIEMENS ENERGY INC·Filed 2005·Granted Jul 21, 2009·55 cites·14 claims
- 0993US8061977B2Ceramic matrix composite attachment apparatus and methodKELLER DOUGLAS A·Filed 2007·Granted Nov 22, 2011·44 cites·14 claims
- 1093US7908867B2Wavy CMC wall hybrid ceramic apparatusSIEMENS ENERGY INC·Filed 2007·Granted Mar 22, 2011·40 cites·18 claims
- 1192US7722317B2CMC to metal attachment mechanismSIEMENS ENERGY INC·Filed 2007·Granted May 25, 2010·38 cites·15 claims
- 1290US8167573B2Gas turbine airfoilMERRILL GARY B·Filed 2008·Granted May 1, 2012·31 cites·20 claims
- 1390US7871244B2Ring seal for a turbine engineSIEMENS ENERGY INC·Filed 2007·Granted Jan 18, 2011·36 cites·15 claims
- 1489US7371043B2CMC turbine shroud ring segment and fabrication methodSIEMENS POWER GENERATION INC·Filed 2006·Granted May 13, 2008·29 cites·19 claims
- 1586US7393183B2Trailing edge attachment for composite airfoilSIEMENS POWER GENERATION INC·Filed 2005·Granted Jul 1, 2008·27 cites·19 claims
- 1683US7124591B2Method for operating a gas turbineSIEMENS POWER GENERATION INC·Filed 2004·Granted Oct 24, 2006·53 cites·19 claims
- 1780US6978991B2Streak free apparatus for processing and stacking printed formsSTEVENS KENNETH A·Filed 2003·Granted Dec 27, 2005·12 cites·2 claims
- 1879US9127565B2Apparatus comprising a CMC-comprising body and compliant porous element preloaded within an outer metal shellKELLER DOUGLAS A·Filed 2008·Granted Sep 8, 2015·17 cites·8 claims
- 1976US6592114B2Streak free apparatus for processing and stacking printed formsSTEVENS KENNETH A·Filed 2001·Granted Jul 15, 2003·10 cites·4 claims
- 2075US7798769B2Flexible, high-temperature ceramic seal elementSIEMENS ENERGY INC·Filed 2007·Granted Sep 21, 2010·13 cites·14 claims
- 2172US8211524B1CMC anchor for attaching a ceramic thermal barrier to metalGONZALEZ MALBERTO·Filed 2008·Granted Jul 3, 2012·4 cites·19 claims
- 2249US7036812B2Streak free apparatus for processing and stacking printed formsSTEVENS KENNETH A·Filed 2003·Granted May 2, 2006·1 cites·1 claims
- 2346US2005235649A1Method for operating a gas turbineSIEMENS WESTINGHOUSE POWER·Filed 2005·Application pending·0 cites
- 2442US7063312B2Streak free apparatus for processing and stacking printed formsSTEVENS KENNETH A·Filed 2003·Granted Jun 20, 2006·0 cites·3 claims
- 2539US2008199661A1Thermally insulated CMC structure with internal coolingSIEMENS POWER GENERATION INC·Filed 2007·Application pending·0 cites
- 2638US2008025838A1Ring seal for a turbine engineSIEMENS POWER GENERATION INC·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →