Inventor · disambiguated record
John J. Marra
Also filed as: MARRA JOHN J · MARRA JOHN JOSEPH · MARRA JR JOHN J
40 granted patents·7 pending applications·776 citations·filing 1987–2020
98Inventor score
Files withLEE CHING PANG9MARRA JOHN J9UNITED TECHNOLOGIES CORP5CAMPBELL CHRISTIAN X3MIKRO SYSTEMS INC3
Top patents by PatentIndex Score
47 records- 0194US9366143B2Cooling module design and method for cooling components of a gas turbine systemMIKRO SYSTEMS INC·Filed 2014·Granted Jun 14, 2016·19 cites·10 claims
- 0293US9726028B2Ductile alloys for sealing modular component interfacesMARRA JOHN J·Filed 2011·Granted Aug 8, 2017·20 cites·12 claims
- 0393US8894367B2Compound cooling flow turbulator for turbine componentLEE CHING-PANG·Filed 2010·Granted Nov 25, 2014·15 cites·2 claims
- 0492US8714926B2Turbine component cooling channel mesh with intersection chambersLEE CHING-PANG·Filed 2010·Granted May 6, 2014·13 cites·19 claims
- 0591US8668453B2Cooling system having reduced mass pin fins for components in a gas turbine engineLEE CHING-PANG·Filed 2011·Granted Mar 11, 2014·13 cites·14 claims
- 0691US5373922ATuned mass damper for integrally bladed turbine rotorUS ARMY·Filed 1993·Granted Dec 20, 1994·62 cites·9 claims
- 0790US4835827AMethod of balancing a rotorUNITED TECHNOLOGIES CORP·Filed 1988·Granted Jun 6, 1989·52 cites·1 claims
- 0889US5097550ACover for hospital bed railsMARRA JR JOHN J·Filed 1991·Granted Mar 24, 1992·126 cites·6 claims
- 0988US8764394B2Component cooling channelLEE CHING-PANG·Filed 2011·Granted Jul 1, 2014·10 cites·18 claims
- 1088US8684692B2Cooled snubber structure for turbine bladesMAYER CLINTON A·Filed 2011·Granted Apr 1, 2014·14 cites·17 claims
- 1188US8388309B2Gas turbine sealing apparatusMARRA JOHN JOSEPH·Filed 2009·Granted Mar 5, 2013·35 cites·20 claims
- 1288US5175897ACover for hospital bed railsMARRA JR JOHN J·Filed 1992·Granted Jan 5, 1993·117 cites·12 claims
- 1385US9022736B2Integrated axial and tangential serpentine cooling circuit in a turbine airfoilLEE CHING-PANG·Filed 2011·Granted May 5, 2015·10 cites·6 claims
- 1485US9011077B2Cooled airfoil in a turbine engineVITT PAUL H·Filed 2011·Granted Apr 21, 2015·13 cites·17 claims
- 1585US8485787B2Turbine airfoil fabricated from tapered extrusionsMARRA JOHN J·Filed 2009·Granted Jul 16, 2013·12 cites·20 claims
- 1683US8926267B2Ambient air cooling arrangement having a pre-swirler for gas turbine engine blade coolingLEE CHING-PANG·Filed 2013·Granted Jan 6, 2015·9 cites·18 claims
- 1783US8523525B2Snubber assembly for turbine bladesMARRA JOHN J·Filed 2010·Granted Sep 3, 2013·8 cites·20 claims
- 1882US8714920B2Turbine airfoil to shround attachmentCAMPBELL CHRISTIAN X·Filed 2010·Granted May 6, 2014·8 cites·11 claims
- 1982US6587741B1Method and system for designing a spline couplingUNITED TECHNOLOGIES CORP·Filed 2000·Granted Jul 1, 2003·45 cites·22 claims
- 2081US8920111B2Airfoil incorporating tapered cooling structures defining cooling passagewaysLEE CHING-PANG·Filed 2010·Granted Dec 30, 2014·7 cites·18 claims
- 2181US8894363B2Cooling module design and method for cooling components of a gas turbine systemLEE CHING-PANG·Filed 2011·Granted Nov 25, 2014·7 cites·12 claims
- 2280US8500411B2Turbine airfoil with outer wall thickness indicatorsMARRA JOHN J·Filed 2010·Granted Aug 6, 2013·6 cites·9 claims
- 2380US4784012ARotor balance systemUNITED TECHNOLOGIES CORP·Filed 1987·Granted Nov 15, 1988·54 cites·5 claims
- 2478US8939727B2Turbine blade and non-integral platform with pin attachmentCAMPBELL CHRISTIAN X·Filed 2011·Granted Jan 27, 2015·5 cites·11 claims
- 2574US9017014B2Aft outer rim seal arrangementLEE CHING-PANG·Filed 2013·Granted Apr 28, 2015·5 cites·20 claims
- 2674US8292583B2Turbine blade having a constant thickness airfoil skinMARRA JOHN J·Filed 2009·Granted Oct 23, 2012·14 cites·20 claims
- 2771US8979498B2Turbine airfoil having outboard and inboard sectionsMAZZOLA STEFAN·Filed 2010·Granted Mar 17, 2015·6 cites·13 claims
- 2867US9404377B2Turbine blade and non-integral platform with pin attachmentSIEMENS ENERGY INC·Filed 2014·Granted Aug 2, 2016·2 cites·20 claims
- 2966US8579593B2Damping element for reducing the vibration of an airfoilCAMPBELL CHRISTIAN X·Filed 2009·Granted Nov 12, 2013·9 cites·12 claims
- 3064US6625507B1Method and system for designing a low pressure turbine shaftUNITED TECHNOLOGIES CORP·Filed 2000·Granted Sep 23, 2003·26 cites·44 claims
- 3163USRE45690ETurbine blade damping device with controlled loadingSIEMENS ENERGY INC·Filed 2014·Granted Sep 29, 2015·2 cites·13 claims
- 3263US8540488B2Turbine blade damping device with controlled loadingMARRA JOHN J·Filed 2009·Granted Sep 24, 2013·7 cites·13 claims
- 3361US9822662B2Cooling system with compressor bleed and ambient air for gas turbine engineMARSH JAN H·Filed 2013·Granted Nov 21, 2017·3 cites·5 claims
- 3455US9388704B2Vane array with one or more non-integral platformsLOHAUS ANDREW S·Filed 2013·Granted Jul 12, 2016·2 cites·20 claims
- 3554US9551227B2Component cooling channelMIKRO SYSTEMS INC·Filed 2014·Granted Jan 24, 2017·0 cites·20 claims
- 3652US2015078898A1Compound Cooling Flow Turbulator for Turbine ComponentMIKROS SYSTEMS INC·Filed 2014·Application pending·0 cites
- 3751US9359902B2Turbine airfoil with ambient cooling systemCAMPBELL JR CHRISTIAN X·Filed 2013·Granted Jun 7, 2016·1 cites·8 claims
- 3850US8646511B2Component with inspection-facilitating featuresMARRA JOHN J·Filed 2010·Granted Feb 11, 2014·0 cites·17 claims
- 3950US2014219818A1Turbine Component Cooling Channel Mesh with Intersection ChambersMIKRO SYSTEMS INC·Filed 2014·Application pending·0 cites
- 4043US8684666B2Low pressure cooling seal system for a gas turbine engineMARRA JOHN J·Filed 2011·Granted Apr 1, 2014·0 cites·20 claims
- 4143US5141393ASeal accommodating thermal expansion between adjacent casings in gas turbine engineUNITED TECHNOLOGIES CORP·Filed 1991·Granted Aug 25, 1992·19 cites·10 claims
- 4243US2015132117A1Gas turbine engine ducting arrangement having discrete insertMARRA JOHN J·Filed 2013·Application pending·0 cites
- 4338US10830065B2Attachment system for a turbine airfoil usable in a gas turbine engineSIEMENS AG·Filed 2015·Granted Nov 10, 2020·0 cites·11 claims
- 4437US2004030666A1Method of designing a multi-stage compressor rotorFiled 2003·Application pending·0 cites
- 4536US2023107877A1Gas turbine engine stationary vane with contoured platformSIEMENS ENERGY GLOBAL GMBH & CO KG·Filed 2020·Application pending·0 cites
- 4636US2011033311A1Turbine Airfoil Cooling System with Pin Fin Cooling ChambersMARTIN NICHOLAS F·Filed 2009·Application pending·0 cites
- 4735US2018066523A1Two pressure cooling of turbine airfoilsSIEMENS ENERGY INC·Filed 2015·Application pending·0 cites
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