Inventor · disambiguated record
Neil J. Terwilliger
Also filed as: TERWILLIGER NEIL · TERWILLIGER NEIL J
81 granted patents·28 pending applications·273 citations·filing 2017–2025
98Inventor score
Top patents by PatentIndex Score
109 records- 0198US12006866B2Hybrid electric hydrogen engine for aircraftRTX CORP·Filed 2022·Granted Jun 11, 2024·6 cites·19 claims
- 0298US11920526B1Inter-cooled preheat of steam injected turbine engineRAYTHEON TECH CORP·Filed 2022·Granted Mar 5, 2024·9 cites·16 claims
- 0398US11635022B1Reducing contrails from an aircraft powerplantRAYTHEON TECH CORP·Filed 2022·Granted Apr 25, 2023·41 cites·20 claims
- 0498US11603798B1Cryogenically assisted exhaust condensationRAYTHEON TECH CORP·Filed 2022·Granted Mar 14, 2023·72 cites·20 claims
- 0597US11753993B1Turbine engine with mass rejectionRAYTHEON TECH CORP·Filed 2022·Granted Sep 12, 2023·11 cites·20 claims
- 0697US11549464B2Hybrid gas turbine engine starting controlRAYTHEON TECH CORP·Filed 2020·Granted Jan 10, 2023·6 cites·16 claims
- 0797US10914234B1Gas turbine engine and method for operating sameUNITED TECHNOLOGIES CORP·Filed 2019·Granted Feb 9, 2021·16 cites·12 claims
- 0896US10738694B1Turbofan with motorized rotating inlet guide vaneUNITED TECHNOLOGIES CORP·Filed 2018·Granted Aug 11, 2020·9 cites·19 claims
- 0995US12215622B1Partial exhaust condensation intercoolingRTX CORP·Filed 2023·Granted Feb 4, 2025·3 cites·18 claims
- 1095US12180846B2Electric heating for turbomachinery clearance control powered by hybrid energy storage systemRAYTHEON TECH CORP·Filed 2022·Granted Dec 31, 2024·2 cites·19 claims
- 1195US12065964B1Bypass heat exchanger configuration to reroute core flowRAYTHEON TECH CORP·Filed 2023·Granted Aug 20, 2024·5 cites·13 claims
- 1295US11828200B2Hydrogen-oxygen fueled powerplant with water and heat recoveryRAYTHEON TECH CORP·Filed 2022·Granted Nov 28, 2023·10 cites·17 claims
- 1394US12078084B1Increased water heat absorption capacity for steam injected turbine engineRAYTHEON TECH CORP·Filed 2023·Granted Sep 3, 2024·2 cites·16 claims
- 1493US12366216B1Thrust reverser in condenser exit ductRTX CORP·Filed 2024·Granted Jul 22, 2025·2 cites·20 claims
- 1593US12031485B1Water storage precooling and water cycle chillerRAYTHEON TECH CORP·Filed 2023·Granted Jul 9, 2024·4 cites·20 claims
- 1693US11927132B1Water separator for hydrogen steam injected turbine engineRAYTHEON TECH CORP·Filed 2023·Granted Mar 12, 2024·3 cites·20 claims
- 1793US11542872B2Hybrid gas turbine engine system powered warm-upRAYTHEON TECH CORP·Filed 2021·Granted Jan 3, 2023·3 cites·20 claims
- 1893US10760444B2Electric heating for turbomachinery clearance control powered by hybrid energy storage systemUNITED TECHNOLOGIES CORP·Filed 2018·Granted Sep 1, 2020·6 cites·8 claims
- 1992US12286907B2Increased water heat absorption capacity for steam injected turbine engineRTX CORP·Filed 2024·Granted Apr 29, 2025·1 cites·17 claims
- 2092US11415044B2Multi-engine architecture with linkages to multiple spoolsUNITED TECHNOLOGIES CORP·Filed 2019·Granted Aug 16, 2022·6 cites·16 claims
- 2192US11015523B2Turbofan with bleed supercharged auxiliary engineUNITED TECHNOLOGIES CORP·Filed 2019·Granted May 25, 2021·9 cites·19 claims
- 2291US12215623B1Partial exhaust bottoming cycleRTX CORP·Filed 2023·Granted Feb 4, 2025·1 cites·14 claims
- 2391US12180893B2Hydrogen steam injected turbine engine with turboexpander heat recoveryRAYTHEON TECH CORP·Filed 2023·Granted Dec 31, 2024·1 cites·16 claims
- 2491US11873766B2Differential geared amplification of auxiliary power unitRAYTHEON TECH CORP·Filed 2023·Granted Jan 16, 2024·2 cites·19 claims
- 2591US11649763B1Rating control architecture and method for hybrid electric engineRAYTHEON TECH CORP·Filed 2022·Granted May 16, 2023·1 cites·17 claims
- 2691US11024894B2Cooling architecture for a vehicleUNITED TECHNOLOGIES CORP·Filed 2018·Granted Jun 1, 2021·8 cites·23 claims
- 2790US12228071B1Steam-injected engine heat exchanger arrangementRTX CORP·Filed 2024·Granted Feb 18, 2025·1 cites·20 claims
- 2889US12338751B2Centrifugal water molecular separationRTX CORP·Filed 2023·Granted Jun 24, 2025·2 cites·19 claims
- 2989US12163488B1Selectable inlet for aircraft propulsion system heat exchangerRTX CORP·Filed 2023·Granted Dec 10, 2024·1 cites·19 claims
- 3089US12071890B1Recovering water and/or heat energy from powerplant combustion productsRAYTHEON TECH CORP·Filed 2023·Granted Aug 27, 2024·1 cites·20 claims
- 3188US12215620B2Heat exchanger(s) for recovering water and/or heat energy from turbine engine combustion productsRAYTHEON TECH CORP·Filed 2023·Granted Feb 4, 2025·1 cites·16 claims
- 3288US11149649B2Hybrid gas turbine engine system powered warm-upUNITED TECHNOLOGIES CORP·Filed 2018·Granted Oct 19, 2021·5 cites·15 claims
- 3387US12338768B2Hybrid electric hydrogen engine for aircraftRTX CORP·Filed 2024·Granted Jun 24, 2025·0 cites·16 claims
- 3487US11548651B2Asymmeiric hybrid aircraft idleRAYTHEON TECH CORP·Filed 2020·Granted Jan 10, 2023·2 cites·20 claims
- 3586US2025389223A1Hydrogen fuel heating with open loop waste heat recovery cycleRTX CORP·Filed 2025·Application pending·0 cites
- 3684US12486801B2Hydrogen steam injected turbine engine with turboexpander heat recoveryRTX CORP·Filed 2024·Granted Dec 2, 2025·0 cites·14 claims
- 3784US11085371B2Turbofan with motorized rotating inlet guide vaneUNITED TECHNOLOGIES CORP·Filed 2019·Granted Aug 10, 2021·2 cites·19 claims
- 3883US11939913B2Turbine engine with inverse Brayton cycleRTX CORP·Filed 2022·Granted Mar 26, 2024·1 cites·11 claims
- 3982US12071257B2Hybrid electric hydrogen engine for aircraftRTX CORP·Filed 2022·Granted Aug 27, 2024·1 cites·14 claims
- 4082US11530635B2Fluid injection systems for gas turbine enginesUNITED TECHNOLOGIES CORP·Filed 2019·Granted Dec 20, 2022·2 cites·18 claims
- 4181US12031480B2Gas turbine engine and method for operating sameRAYTHEON TECH CORP·Filed 2022·Granted Jul 9, 2024·0 cites·20 claims
- 4281US2025371982A1Hybrid electric engine power distributionRTX CORP·Filed 2025·Application pending·0 cites
- 4380US11629646B2Differential geared amplification of auxiliary power unitUNITED TECHNOLOGIES CORP·Filed 2018·Granted Apr 18, 2023·2 cites·13 claims
- 4480US10773812B2Hybrid electric aircraft battery chargingUNITED TECHNOLOGIES CORP·Filed 2018·Granted Sep 15, 2020·4 cites·20 claims
- 4579US12497918B2Turbine engine with inverse Brayton cycleRTX CORP·Filed 2024·Granted Dec 16, 2025·0 cites·20 claims
- 4679US2025043730A1Gas turbine engine with electrically driven compressorRTX CORP·Filed 2024·Application pending·0 cites
- 4777US12065963B2Reducing contrails from an aircraft powerplantRTX CORP·Filed 2023·Granted Aug 20, 2024·0 cites·17 claims
- 4877US11111809B2Electric heating for turbomachinery clearance controlUNITED TECHNOLOGIES CORP·Filed 2018·Granted Sep 7, 2021·2 cites·15 claims
- 4977US2025051028A1System for superconducting electronics in aerospace applicationsRTX CORP·Filed 2024·Application pending·0 cites
- 5075US11565821B2Hybrid energy storage system control for an aircraft engineUNITED TECHNOLOGIES CORP·Filed 2019·Granted Jan 31, 2023·2 cites·20 claims
Showing the top 50 of 109 patent records by PatentIndex Score.
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