Inventor · disambiguated record
Krishan Lal Luthra
Also filed as: LUTHRA KRISHAN · LUTHRA KRISHAN L · LUTHRA KRISHAN LAL
54 granted patents·20 pending applications·2,007 citations·filing 1980–2022
99Inventor score
Files withGEN ELECTRIC68SARRAFI-NOUR REZA2CORMAN GREGORY SCOT1LUTHRA KRISHAN LAL1THOMPSON ANTHONY MARK1
Top patents by PatentIndex Score
74 records- 0198US7595114B2Environmental barrier coating for a component and method for fabricating the sameGEN ELECTRIC·Filed 2005·Granted Sep 29, 2009·46 cites·16 claims
- 0298US6517341B1Method to prevent recession loss of silica and silicon-containing materials in combustion gas environmentsGEN ELECTRIC·Filed 1999·Granted Feb 11, 2003·238 cites·45 claims
- 0398US5628938AMethod of making a ceramic composite by infiltration of a ceramic preformGEN ELECTRIC·Filed 1994·Granted May 13, 1997·128 cites·20 claims
- 0497US6387456B1Silicon based substrate with environmental/thermal barrier layerGEN ELECTRIC·Filed 2000·Granted May 14, 2002·286 cites·28 claims
- 0596US11072565B2Ceramic matrix composite structures with controlled microstructures fabricated using chemical vapor infiltration (CVI)GEN ELECTRIC·Filed 2015·Granted Jul 27, 2021·16 cites·23 claims
- 0696US6312763B1Silicon based substrate with yttrium silicate environmental/thermal barrier layerUNITED TECHNOLOGIES CORP·Filed 2000·Granted Nov 6, 2001·81 cites·16 claims
- 0796US6299988B1Ceramic with preferential oxygen reactive layerGEN ELECTRIC·Filed 1999·Granted Oct 9, 2001·120 cites·21 claims
- 0895US10280760B2Turbine engine assembly and method of assembling the sameGEN ELECTRIC·Filed 2015·Granted May 7, 2019·8 cites·17 claims
- 0995US10094236B2Recession resistant ceramic matrix composites and environmental barrier coatingsGEN ELECTRIC·Filed 2013·Granted Oct 9, 2018·8 cites·16 claims
- 1095US7968217B2Articles for high temperature service and methods for their manufactureGEN ELECTRIC·Filed 2007·Granted Jun 28, 2011·29 cites·22 claims
- 1195US6410148B1Silicon based substrate with environmental/ thermal barrier layerGEN ELECTRIC·Filed 1999·Granted Jun 25, 2002·121 cites·53 claims
- 1294US9850174B2Ceramic matrix composites having monomodal pore size distribution and low fiber volume fractionGEN ELECTRIC·Filed 2016·Granted Dec 26, 2017·6 cites·33 claims
- 1394US6820334B2Method for repairing articles of ceramic compositesGEN ELECTRIC·Filed 2002·Granted Nov 23, 2004·68 cites·36 claims
- 1494US5962103ASilicon carbide-silicon composite having improved oxidation resistance and method of makingGEN ELECTRIC·Filed 1997·Granted Oct 5, 1999·86 cites·13 claims
- 1593US6296941B1Silicon based substrate with yttrium silicate environmental/thermal barrier layerGEN ELECTRIC·Filed 1999·Granted Oct 2, 2001·97 cites·29 claims
- 1693US6284325B1Silicon based substrate with calcium aluminosilicate/thermal barrier layerGEN ELECTRIC·Filed 2000·Granted Sep 4, 2001·51 cites·20 claims
- 1792US10584070B2Ceramic matrix composites having monomodal pore size distribution and low fiber volume fractionGEN ELECTRIC·Filed 2017·Granted Mar 10, 2020·4 cites·9 claims
- 1891US6844075B1Environmental barrier coatingGEN ELECTRIC·Filed 2003·Granted Jan 18, 2005·54 cites·22 claims
- 1991US5552352ASilicon carbide composite with coated fiber reinforcementGEN ELECTRIC·Filed 1995·Granted Sep 3, 1996·78 cites·3 claims
- 2090US5952100ASilicon-doped boron nitride coated fibers in silicon melt infiltrated compositesGEN ELECTRIC·Filed 1997·Granted Sep 14, 1999·55 cites·16 claims
- 2189US5294489AProtective coating with reactive interlayer on reinforcement in silicon carbide compositeGEN ELECTRIC·Filed 1992·Granted Mar 15, 1994·52 cites·9 claims
- 2288US8168259B2Articles for high temperature service and methods for their manufactureSARRAFI-NOUR REZA·Filed 2010·Granted May 1, 2012·4 cites·17 claims
- 2387US6630200B2Method of making a ceramic with preferential oxygen reactive layerGEN ELECTRIC·Filed 2001·Granted Oct 7, 2003·27 cites·5 claims
- 2486US9365725B2Articles for high temperature service and methods for their manufactureSARRAFI-NOUR REZA·Filed 2007·Granted Jun 14, 2016·7 cites·5 claims
- 2586US6347446B1Method of making silicon carbide-silicon composite having improved oxidation resistanceGEN ELECTRIC·Filed 1999·Granted Feb 19, 2002·44 cites·13 claims
- 2685US10822998B2High temperature tolerant ceramic matrix composites and environmental barrier coatingsGEN ELECTRIC·Filed 2014·Granted Nov 3, 2020·5 cites·20 claims
- 2783US6296942B1Silicon based substrate with calcium aluminosilicate environmental/thermal barrier layerGEN ELECTRIC·Filed 1999·Granted Oct 2, 2001·36 cites·28 claims
- 2881US11479515B2EBC with mullite bondcoat that includes an oxygen getter phaseGEN ELECTRIC·Filed 2018·Granted Oct 25, 2022·1 cites·20 claims
- 2981US5077140ACoating systems for titanium oxidation protectionGEN ELECTRIC·Filed 1990·Granted Dec 31, 1991·48 cites·26 claims
- 3080US10618848B2Ceramic matrix composites made by chemical vapor infiltration and methods of manufacture thereofGEN ELECTRIC·Filed 2014·Granted Apr 14, 2020·3 cites·16 claims
- 3178US10093586B2Ceramic matrix composite articles and methods for forming sameGEN ELECTRIC·Filed 2015·Granted Oct 9, 2018·1 cites·15 claims
- 3277US6969555B2Aluminate coating for a silicon containing substrateGEN ELECTRIC·Filed 2003·Granted Nov 29, 2005·16 cites·23 claims
- 3377US5080862AIridium silicon alloyGEN ELECTRIC·Filed 1990·Granted Jan 14, 1992·23 cites·2 claims
- 3476US12196108B2Article for high temperature serviceGEN ELECTRIC·Filed 2022·Granted Jan 14, 2025·0 cites·17 claims
- 3576US6110527ASilicon carbide composite with metal nitride coated fiber reinforcementGEN ELECTRIC·Filed 1994·Granted Aug 29, 2000·23 cites·7 claims
- 3676US4921822ACeramic compositeGEN ELECTRIC·Filed 1988·Granted May 1, 1990·25 cites·14 claims
- 3775US10954168B2Ceramic matrix composite articles and methods for forming sameGEN ELECTRIC·Filed 2018·Granted Mar 23, 2021·0 cites·16 claims
- 3874US9341412B2Methods and systems for reducing silica recession in silicon-containing materialsGEN ELECTRIC·Filed 2012·Granted May 17, 2016·4 cites·18 claims
- 3973US12054432B2Ceramic matrix composite structures with controlled microstructures fabricated using chemical vapor infiltration (CVI)GEN ELECTRIC·Filed 2021·Granted Aug 6, 2024·0 cites·20 claims
- 4073US8105683B2Treated refractory material and methods of makingTHOMPSON ANTHONY MARK·Filed 2007·Granted Jan 31, 2012·6 cites·33 claims
- 4172US6074750ASilicon carbide composite with metal nitride coated fiber reinforcementGEN ELECTRIC·Filed 1995·Granted Jun 13, 2000·23 cites·3 claims
- 4269US6365233B1Silicon-doped boron nitride coated fibers in silicon melt infiltrated compositesGEN ELECTRIC·Filed 1999·Granted Apr 2, 2002·19 cites·12 claims
- 4369US4620129AGettered high pressure sodium lampGEN ELECTRIC·Filed 1985·Granted Oct 28, 1986·14 cites·7 claims
- 4468US7910172B2Method for fabricating a component having an environmental barrier coatingGEN ELECTRIC·Filed 2009·Granted Mar 22, 2011·9 cites·5 claims
- 4567US10371064B2Method and system to increase gas turbine engine durabilityGEN ELECTRIC·Filed 2016·Granted Aug 6, 2019·1 cites·17 claims
- 4664US11655194B2Ceramic composites with an intermediate layer having a carbon sink material for high temperature applicationsGEN ELECTRIC·Filed 2019·Granted May 23, 2023·0 cites·19 claims
- 4758US2013130042A1Articles for high temperature service and methods for their manufactureGEN ELECTRIC·Filed 2013·Application pending·0 cites
- 4857US10927046B2EBC with mullite bondcoat having a non-oxide silicon ceramicGEN ELECTRIC·Filed 2018·Granted Feb 23, 2021·0 cites·19 claims
- 4955US2016160664A1Recession resistant ceramic matrix composites and environmental barrier coatingsGEN ELECTRIC·Filed 2013·Application pending·0 cites
- 5054US4933309AProcess for producing a ceramic composite reinforced with noble metal coated ceramic fibersGEN ELECTRIC·Filed 1989·Granted Jun 12, 1990·12 cites·13 claims
Showing the top 50 of 74 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →