Inventor · disambiguated record
Paul R. Hanrahan
Also filed as: HANRAHAN PAUL R
70 granted patents·19 pending applications·152 citations·filing 1990–2025
98Inventor score
Files withRAYTHEON TECH CORP34RTX CORP29UNITED TECHNOLOGIES CORP20HANRAHAN PAUL R2DOOSAN FUEL CELL AMERICA INC1
Top patents by PatentIndex Score
89 records- 0199US11639690B1Boost spool flow control and generator load matching via load compressorRAYTHEON TECH CORP·Filed 2022·Granted May 2, 2023·7 cites·20 claims
- 0298US11781506B2Splitter and guide vane arrangement for gas turbine enginesRAYTHEON TECH CORP·Filed 2020·Granted Oct 10, 2023·9 cites·14 claims
- 0397US11143142B2Adaptive engine with boost spoolUNITED TECHNOLOGIES CORP·Filed 2018·Granted Oct 12, 2021·17 cites·17 claims
- 0496US11193425B2Gearbox for boost spool turbine engineRAYTHEON TECH CORP·Filed 2019·Granted Dec 7, 2021·11 cites·13 claims
- 0595US11692491B1Transmission and method for control of boost spoolRAYTHEON TECH CORP·Filed 2022·Granted Jul 4, 2023·3 cites·20 claims
- 0695US10100739B2Cooled cooling air system for a gas turbine engineUNITED TECHNOLOGIES CORP·Filed 2015·Granted Oct 16, 2018·10 cites·8 claims
- 0794US11073107B1Systems and methods for hybrid electric turbine enginesUNITED TECHNOLOGIES CORP·Filed 2020·Granted Jul 27, 2021·4 cites·20 claims
- 0893US12071900B2Aircraft propulsion system geartrainRTX CORP·Filed 2023·Granted Aug 27, 2024·2 cites·20 claims
- 0992US12253021B2Transmission and method for control of boost spoolRTX CORP·Filed 2024·Granted Mar 18, 2025·1 cites·7 claims
- 1091US12163476B1Inter-rotating assembly power coupling system for turbine engineRAYTHEON TECH CORP·Filed 2023·Granted Dec 10, 2024·1 cites·15 claims
- 1190US11674548B2Low profile rotating bearing centering springRAYTHEON TECH CORP·Filed 2020·Granted Jun 13, 2023·2 cites·17 claims
- 1289US11891953B2Aircraft skin heat exchangerRAYTHEON TECH CORP·Filed 2022·Granted Feb 6, 2024·2 cites·17 claims
- 1388US12129802B2Selective power distribution for an aircraft propulsion systemRAYTHEON TECH CORP·Filed 2022·Granted Oct 29, 2024·1 cites·20 claims
- 1488US10731510B2Gas turbine engine with fluid damperUNITED TECHNOLOGIES CORP·Filed 2015·Granted Aug 4, 2020·5 cites·17 claims
- 1586US12253026B1Rear bearing air sourced and vented to nose coneRAYTHEON TECH CORP·Filed 2023·Granted Mar 18, 2025·1 cites·18 claims
- 1685US11976598B2Transmission and method for control of boost spoolRAYTHEON TECH CORP·Filed 2022·Granted May 7, 2024·1 cites·10 claims
- 1785US2025305451A1Bearing arrangement for turbine engine geartrainRTX CORP·Filed 2025·Application pending·0 cites
- 1884US11898490B2Transmission and method for control of boost spoolRAYTHEON TECH CORP·Filed 2022·Granted Feb 13, 2024·1 cites·11 claims
- 1984US10794193B2Air foil with galvanic protectionUNITED TECHNOLOGIES CORP·Filed 2016·Granted Oct 6, 2020·4 cites·14 claims
- 2083US11408343B1Turboshaft engine with axial compressorRAYTHEON TECH CORP·Filed 2021·Granted Aug 9, 2022·1 cites·20 claims
- 2182US9869250B2Particle tolerant turboshaft engineUNITED TECHNOLOGIES CORP·Filed 2015·Granted Jan 16, 2018·3 cites·20 claims
- 2282US2025101921A1Inter-rotating assembly power coupling system for turbine engineRTX CORP·Filed 2024·Application pending·0 cites
- 2381US11506146B2Systems and methods for hybrid electric turbine enginesRAYTHEON TECH CORP·Filed 2021·Granted Nov 22, 2022·1 cites·20 claims
- 2481US11421590B2Augmented drive of compressors via differential and multistage turbineUNITED TECHNOLOGIES CORP·Filed 2019·Granted Aug 23, 2022·2 cites·11 claims
- 2580US12313000B1Separating airflows within a turbine engineRTX CORP·Filed 2024·Granted May 27, 2025·1 cites·15 claims
- 2680US11840958B2Turbofan with offset gas generator and auxiliary power coreRTX CORP·Filed 2021·Granted Dec 12, 2023·1 cites·17 claims
- 2780US11578668B2Gas turbine engine control based on characteristic of cooled airUNITED TECHNOLOGIES CORP·Filed 2017·Granted Feb 14, 2023·3 cites·2 claims
- 2879US12331683B2Bearing arrangement for turbine engine geartrainRTX CORP·Filed 2023·Granted Jun 17, 2025·0 cites·15 claims
- 2979US10094277B2Gas turbine engine configured for modular assembly/disassembly and method for sameUNITED TECHNOLOGIES CORP·Filed 2015·Granted Oct 9, 2018·2 cites·11 claims
- 3079US5066025ABrush seal assemblyHANRAHAN PAUL R·Filed 1990·Granted Nov 19, 1991·47 cites·2 claims
- 3176US11268442B2Mid mount sleeve arrangementRAYTHEON TECH CORP·Filed 2020·Granted Mar 8, 2022·1 cites·18 claims
- 3275US12173644B2Augmented drive of compressors via differential and multistage turbineRTX CORP·Filed 2023·Granted Dec 24, 2024·0 cites·6 claims
- 3374US10844787B2Gas turbine engine configured for modular assembly/disassembly and method for sameUNITED TECHNOLOGIES CORP·Filed 2018·Granted Nov 24, 2020·1 cites·7 claims
- 3473US12385449B2Splitter and guide vane arrangement for gas turbine enginesRTX CORP·Filed 2023·Granted Aug 12, 2025·0 cites·19 claims
- 3573US12188551B1Reduced clearance interface between a fluid device and a rotating structure for a geartrainRTX CORP·Filed 2023·Granted Jan 7, 2025·0 cites·20 claims
- 3672US2025188874A1Systems and methods of dual-spool power managementRTX CORP·Filed 2025·Application pending·0 cites
- 3771US12497905B1Non-uniform and bi-tri stator spacing for swirl recovery vane (SRV) open rotor enginesRTX CORP·Filed 2024·Granted Dec 16, 2025·0 cites·18 claims
- 3871US12398679B2Transmission and method for control of boost spoolRTX CORP·Filed 2023·Granted Aug 26, 2025·0 cites·11 claims
- 3970US12203413B1Bearing configuration for a rotational equipment assemblyRAYTHEON TECH CORP·Filed 2023·Granted Jan 21, 2025·0 cites·11 claims
- 4069US12466548B2Aircraft vertical stabilizer with air systemRTX CORP·Filed 2023·Granted Nov 11, 2025·0 cites·21 claims
- 4169US9553323B2Fluidized bed contaminant separator and water-control loop for a fuel reactant stream of a fuel cellISOM JOSHUA D·Filed 2009·Granted Jan 24, 2017·4 cites·11 claims
- 4269US9444110B2System and method for reducing fuel cell power plant emissionsPRESTON JOHN L·Filed 2009·Granted Sep 13, 2016·2 cites·8 claims
- 4368US12292005B2Aircraft propulsion system geartrainRAYTHEON TECH CORP·Filed 2022·Granted May 6, 2025·0 cites·17 claims
- 4468US11753990B2Augmented drive of compressors via differential and multistage turbineRAYTHEON TECH CORP·Filed 2022·Granted Sep 12, 2023·0 cites·6 claims
- 4567US12244209B2Aircraft powerplant with boosted gas turbine engineRAYTHEON TECH CORP·Filed 2023·Granted Mar 4, 2025·0 cites·20 claims
- 4667US11958624B2Selective power distribution for an aircraft propulsion systemRAYTHEON TECH CORP·Filed 2023·Granted Apr 16, 2024·0 cites·20 claims
- 4765US12043405B2Selective power distribution for an aircraft propulsion systemRAYTHEON TECH CORP·Filed 2023·Granted Jul 23, 2024·0 cites·17 claims
- 4865US2023374944A1Systems and methods of dual-spool power managementRAYTHEON TECH CORP·Filed 2022·Application pending·0 cites
- 4964US12492663B2Aircraft propulsion system geartrainRTX CORP·Filed 2023·Granted Dec 9, 2025·0 cites·6 claims
- 5064US12392296B2Powerplant with multiple integrated gas turbine enginesRTX CORP·Filed 2023·Granted Aug 19, 2025·0 cites·17 claims
Showing the top 50 of 89 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →