Inventor · disambiguated record
Gregory L. Defrancesco
Also filed as: DEFRANCESCO GREGORY · DEFRANCESCO GREGORY L
26 granted patents·5 pending applications·286 citations·filing 1987–2019
96Inventor score
Files withHAMILTON SUNDSTRAND CORP22DEFRANCESCO GREGORY L3HAMILTON SUNDSTRAND2UNITED TECHNOLOGIES CORP2ARMY DONALD E1
Top patents by PatentIndex Score
31 records- 0196US10526092B2Turbine-assisted cabin air compressorHAMILTON SUNDSTRAND CORP·Filed 2017·Granted Jan 7, 2020·17 cites·9 claims
- 0296US10086946B1Hybrid third air condition packHAMILTON SUNDSTRAND CORP·Filed 2017·Granted Oct 2, 2018·13 cites·9 claims
- 0396US9650967B2Method of low pressure bleedHAMILTON SUNDSTRAND CORP·Filed 2015·Granted May 16, 2017·13 cites·20 claims
- 0492US11014677B2Reverse bootstrap air cycle machineHAMILTON SUNDSTRAND CORP·Filed 2019·Granted May 25, 2021·5 cites·11 claims
- 0592US10745137B2Advanced environmental control system in an integrated split pack arrangement with one bleed/outflow heat exchangerHAMILTON SUNDSTRAND CORP·Filed 2017·Granted Aug 18, 2020·9 cites·18 claims
- 0692US9062604B2Low pressure bleed architectureDEFRANCESCO GREGORY L·Filed 2011·Granted Jun 23, 2015·18 cites·8 claims
- 0791US6913636B2Low power nitrogen enriched air generation systemHAMILTON SUNDSTRAND CORP·Filed 2002·Granted Jul 5, 2005·64 cites·18 claims
- 0885US8662445B2Hybrid power system architecture for an aircraftHAMILTON SUNDSTRAND CORP·Filed 2013·Granted Mar 4, 2014·9 cites·5 claims
- 0981US8500064B2Hybrid power system architecture for an aircraftBRUNO LOUIS J·Filed 2011·Granted Aug 6, 2013·8 cites·8 claims
- 1081US7975499B2Aircraft supplemental cooling systemHAMILTON SUNDSTRAND CORP·Filed 2008·Granted Jul 12, 2011·7 cites·18 claims
- 1179US4829775AFiltered environmental control systemUNITED TECHNOLOGIES CORP·Filed 1988·Granted May 16, 1989·48 cites·11 claims
- 1275US11358725B2Three wheel and simple cycle aircraft environmental control systemHAMILTON SUNDSTRAND CORP·Filed 2018·Granted Jun 14, 2022·2 cites·15 claims
- 1375US4769051AFiltered environmental control systemUNITED TECHNOLOGIES CORP·Filed 1987·Granted Sep 6, 1988·36 cites·3 claims
- 1473US10167778B2Bleed valve module with position feedback and cooling shroudHAMILTON SUNDSTRAND CORP·Filed 2017·Granted Jan 1, 2019·1 cites·8 claims
- 1570US9796477B2Engine driven-shaft driven compressor utilizing infinitely variable transmissionHAMILTON SUNDSTRAND CORP·Filed 2014·Granted Oct 24, 2017·4 cites·12 claims
- 1669US10882623B2Advanced environmental control system in an integrated split pack arrangement with two bleed/outflow heat exchangersHAMILTON SUNDSTRAND CORP·Filed 2017·Granted Jan 5, 2021·2 cites·19 claims
- 1769US10634065B2Engine bleed air systemHAMILTON SUNDSTRAND·Filed 2014·Granted Apr 28, 2020·4 cites·10 claims
- 1865US6681591B2Cabin air temperature control with cooling of recirculated airHAMILTON SUNDSTRAND·Filed 2002·Granted Jan 27, 2004·21 cites·8 claims
- 1962US10982594B2Bleed valve module with position feedback and cooling shroudHAMILTON SUNDSTRAND CORP·Filed 2018·Granted Apr 20, 2021·0 cites·2 claims
- 2056US10457552B2Flow sensing ozone converterHAMILTON SUNDSTRAND CORP·Filed 2017·Granted Oct 29, 2019·0 cites·22 claims
- 2151US11465770B2Air cycle machine connected to engine gearboxHAMILTON SUNDSTRAND CORP·Filed 2019·Granted Oct 11, 2022·0 cites·15 claims
- 2249US8147579B2Dispatch critical fuel tank inerting system for aircraftDEFRANCESCO GREGORY L·Filed 2009·Granted Apr 3, 2012·5 cites·15 claims
- 2347US10605468B2Flow sensing ozone converter with replaceable coreHAMILTON SUNDSTRAND CORP·Filed 2017·Granted Mar 31, 2020·0 cites·14 claims
- 2446US11628947B2Catalytic fuel tank inerting apparatus for aircraftHAMILTON SUNDSTRAND CORP·Filed 2018·Granted Apr 18, 2023·0 cites·20 claims
- 2543US10822095B2Advanced environmental control system in an integrated pack arrangement with one bleed/outflow heat exchangerHAMILTON SUNDSTRAND CORP·Filed 2017·Granted Nov 3, 2020·0 cites·18 claims
- 2643US9670842B2Bleed valve module with position feedback and cooling shroudARMY DONALD E·Filed 2011·Granted Jun 6, 2017·0 cites·14 claims
- 2741US2020217326A1Concentric turbine condensing cycleHAMILTON SUNDSTRAND CORP·Filed 2019·Application pending·0 cites
- 2841US2020346760A1Method of environmental controlHAMILTON SUNDSTRAND CORP·Filed 2019·Application pending·0 cites
- 2940US2020086998A1Two-turbine environmental control systemHAMILTON SUNDSTRAND CORP·Filed 2018·Application pending·0 cites
- 3037US2011259546A1Ram flow modulation valveHAMILTON SUNDSTRAND CORP·Filed 2010·Application pending·0 cites
- 3136US2012185116A1Integrated bleed and engine controllerDEFRANCESCO GREGORY L·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →