Inventor · disambiguated record
Charles E. Lents
Also filed as: LENTS CHARLES E
42 granted patents·16 pending applications·761 citations·filing 1986–2024
98Inventor score
Files withHAMILTON SUNDSTRAND CORP20UNITED TECHNOLOGIES CORP14RTX CORP8RAYTHEON TECH CORP6CARRIER CORP3
Top patents by PatentIndex Score
58 records- 0198US11518525B2Electro-pneumatic environmental control system air circuitRAYTHEON TECH CORP·Filed 2021·Granted Dec 6, 2022·8 cites·11 claims
- 0298US10224556B2Integrated fuel cell aircraft pressurization and cooling systemHAMILTON SUNDSTRAND CORP·Filed 2015·Granted Mar 5, 2019·39 cites·20 claims
- 0397US11542016B2Cryogenic cooling system for an aircraftUNITED TECHNOLOGIES CORP·Filed 2019·Granted Jan 3, 2023·5 cites·18 claims
- 0495US7753036B2Compound cycle rotary engineUNITED TECHNOLOGIES CORP·Filed 2007·Granted Jul 13, 2010·149 cites·27 claims
- 0595US6681592B1Electrically driven aircraft cabin ventilation and environmental control systemHAMILTON SUNDSTRAND CORP·Filed 2002·Granted Jan 27, 2004·89 cites·8 claims
- 0693US11371430B2Power system for aircraft parallel hybrid gas turbine electric propulsion systemRAYTHEON TECH CORP·Filed 2016·Granted Jun 28, 2022·11 cites·19 claims
- 0793US6704625B2Aircraft architecture with a reduced bleed aircraft secondary power systemHAMILTON SUNDSTRAND CORP·Filed 2002·Granted Mar 9, 2004·84 cites·37 claims
- 0891US11807371B2Aircraft having hybrid-electric propulsion system with electric storage located in fuselageHAMILTON SUNDSTRAND CORP·Filed 2020·Granted Nov 7, 2023·5 cites·22 claims
- 0991US10179309B2On-board aircraft dried inert gas systemHAMILTON SUNDSTRAND CORP·Filed 2016·Granted Jan 15, 2019·5 cites·18 claims
- 1090US11738874B2Aircraft having hybrid-electric propulsion system with electric storage located in fuselageHAMILTON SUNDSTRAND CORP·Filed 2019·Granted Aug 29, 2023·7 cites·17 claims
- 1190US6928832B2Electrically driven aircraft cabin ventilation and environmental control systemHAMILTON SUNDSTRAND CORP·Filed 2003·Granted Aug 16, 2005·56 cites·26 claims
- 1288US12358630B2Cryogenic cooling system for an aircraftRTX CORP·Filed 2022·Granted Jul 15, 2025·0 cites·20 claims
- 1388US12351318B2Cryogenic cooling system for an aircraftRTX CORP·Filed 2022·Granted Jul 8, 2025·0 cites·20 claims
- 1488US6796527B1Integrated air turbine driven system for providing aircraft environmental controlHAMILTON SUNDSTRAND CORP·Filed 2002·Granted Sep 28, 2004·60 cites·29 claims
- 1586US6845630B2Electric power and cooling system for an aircraftHAMILTON SUNDSTRAND CORP·Filed 2002·Granted Jan 25, 2005·51 cites·18 claims
- 1685US6634596B2Aircraft system architectureFiled 2002·Granted Oct 21, 2003·50 cites·24 claims
- 1784US12055098B2Hydrogen powered engine with exhaust heat exchangerRTX CORP·Filed 2022·Granted Aug 6, 2024·1 cites·19 claims
- 1884US10267544B2Electrocaloric heat transfer systemCARRIER CORP·Filed 2017·Granted Apr 23, 2019·2 cites·16 claims
- 1982US12044176B2Turbine engines having hydrogen fuel systemsRTX CORP·Filed 2022·Granted Jul 23, 2024·1 cites·14 claims
- 2082US11130580B2Electro-pneumatic environmental control system air circuitUNITED TECHNOLOGIES CORP·Filed 2017·Granted Sep 28, 2021·2 cites·9 claims
- 2182US6663044B1Vapor compression cycle environmental control systemHAMILTON SUNDSTRAND CORP·Filed 2002·Granted Dec 16, 2003·46 cites·21 claims
- 2279US7690188B2Combination engines for aircraftUNITED TECHNOLOGIES CORP·Filed 2007·Granted Apr 6, 2010·18 cites·21 claims
- 2377US10914242B2Complex air supply system for gas turbine engine and associated aircraftUNITED TECHNOLOGIES CORP·Filed 2017·Granted Feb 9, 2021·2 cites·20 claims
- 2477US2025051028A1System for superconducting electronics in aerospace applicationsRTX CORP·Filed 2024·Application pending·0 cites
- 2576US10519963B2Engine bleed air system with waste gate valve for compressor surge managementUNITED TECHNOLOGIES CORP·Filed 2016·Granted Dec 31, 2019·2 cites·11 claims
- 2676US7690189B2Aircraft combination engines inlet airflow control systemUNITED TECHNOLOGIES CORP·Filed 2007·Granted Apr 6, 2010·15 cites·23 claims
- 2776US6817575B1Integrated system for providing aircraft environmental controlHAMILTON SUNDSTRAND CORP·Filed 2002·Granted Nov 16, 2004·35 cites·12 claims
- 2872US11428170B2Descent operation for an aircraft parallel hybrid gas turbine electric propulsion systemUNITED TECHNOLOGIES CORP·Filed 2016·Granted Aug 30, 2022·2 cites·11 claims
- 2970US12162619B2Powertrain system of an aircraft including cyrogenic cooling loop for superconducting electronics and method of operating the sameRTX CORP·Filed 2022·Granted Dec 10, 2024·0 cites·12 claims
- 3068US11939925B2Descent operation for an aircraft parallel hybrid gas turbine engine propulsion systemRAYTHEON TECH CORP·Filed 2022·Granted Mar 26, 2024·0 cites·16 claims
- 3166US11749851B2Thermal regulation of batteriesHAMILTON SUNDSTRAND CORP·Filed 2019·Granted Sep 5, 2023·1 cites·14 claims
- 3266US10533501B2Engine bleed air with compressor surge managementUNITED TECHNOLOGIES CORP·Filed 2016·Granted Jan 14, 2020·1 cites·15 claims
- 3364US11721857B2Thermal regulation of batteriesHAMILTON SUNDSTRAND CORP·Filed 2020·Granted Aug 8, 2023·0 cites·10 claims
- 3462US2020141417A1Booster compressor with speed change systemUNITED TECHNOLOGIES CORP·Filed 2020·Application pending·0 cites
- 3561US11320177B2Electrocaloric heat transfer methodCARRIER CORP·Filed 2019·Granted May 3, 2022·0 cites·9 claims
- 3659US11987377B2Turbo expanders for turbine engines having hydrogen fuel systemsRTX CORP·Filed 2022·Granted May 21, 2024·0 cites·20 claims
- 3758US12078104B2Hydrogen steam injected and inter-cooled turbine engineRAYTHEON TECH CORP·Filed 2023·Granted Sep 3, 2024·0 cites·20 claims
- 3857US2018162537A1Environmental control system air circuitUNITED TECHNOLOGIES CORP·Filed 2017·Application pending·0 cites
- 3956US10569892B2Supplemental power for reduction of prime moverSIKORSKY AIRCRAFT CORP·Filed 2014·Granted Feb 25, 2020·2 cites·18 claims
- 4053US2017363098A1Booster compressor with speed change systemUNITED TECHNOLOGIES CORP·Filed 2016·Application pending·0 cites
- 4151US12103699B2Hybrid electric power for turbine engines having hydrogen fuel systemsRTX CORP·Filed 2022·Granted Oct 1, 2024·0 cites·20 claims
- 4251US2015060023A1Fin-diffuser heat sink with high conductivity heat spreaderHAMILTON SUNDSTRAND CORP·Filed 2014·Application pending·0 cites
- 4350US7762056B2Aircraft combination engines exhaust thrust recoveryUNITED TECHNOLOGIES CORP·Filed 2007·Granted Jul 27, 2010·2 cites·21 claims
- 4450US2018187978A1Fin-diffuser heat sink with high conductivity heat spreaderHAMILTON SUNDSTRAND CORP·Filed 2018·Application pending·0 cites
- 4548US9914545B2Aircraft heat exchange system including a thermoelectric deviceHAMILTON SUNDSTRAND CORP·Filed 2015·Granted Mar 13, 2018·0 cites·13 claims
- 4646US2023010158A1Hydrogen powered geared turbofan engine with reduced size core engineRAYTHEON TECH CORP·Filed 2022·Application pending·0 cites
- 4745US2020277062A1Aircraft having hybrid-electric propulsion system with electric storage located in wingsPRATT & WHITNEY CANADA·Filed 2019·Application pending·0 cites
- 4844US2018231340A1Enhanced thermal management for directed energy weaponHAMILTON SUNDSTRAND CORP·Filed 2016·Application pending·0 cites
- 4943US10225950B2Aircraft heat exchange system including a thermoelectric deviceHAMILTON SUNDSTRAND CORP·Filed 2015·Granted Mar 5, 2019·0 cites·8 claims
- 5043US2010313591A1Adaptive heat sink for aircraft environmental control systemHAMILTON SUNDSTRAND CORP·Filed 2009·Application pending·0 cites
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →