Assignee
PRATT & WHITNEY CANADA
CA·2,640 granted patents·616 pending applications·25,665 citations·filing 1983–2025
Top patents by PatentIndex Score
3,256 records- 0199US11560233B2Hybrid aircraft propulsion power plantsPRATT & WHITNEY CANADA·Filed 2021·Granted Jan 24, 2023·8 cites·20 claims
- 0299US11186378B2Hybrid aircraft propulsion power plantsPRATT & WHITNEY CANADA·Filed 2020·Granted Nov 30, 2021·21 cites·20 claims
- 0399US10145291B1Rotary engine and method of combusting fuelPRATT & WHITNEY CANADA·Filed 2017·Granted Dec 4, 2018·46 cites·15 claims
- 0499US9528434B1Rotary internal combustion engine with pilot subchamberPRATT & WHITNEY CANADA·Filed 2013·Granted Dec 27, 2016·39 cites·19 claims
- 0599US9399947B2Internal combustion engine with pilot and main injectionPRATT & WHITNEY CANADA·Filed 2013·Granted Jul 26, 2016·26 cites·25 claims
- 0699US8371127B2Cooling air system for mid turbine framePRATT & WHITNEY CANADA·Filed 2009·Granted Feb 12, 2013·84 cites·20 claims
- 0799US7583063B2Architecture for electric machinePRATT & WHITNEY CANADA·Filed 2007·Granted Sep 1, 2009·1.2k cites·10 claims
- 0899US6289677B1Gas turbine fuel injectorPRATT & WHITNEY CANADA·Filed 2000·Granted Sep 18, 2001·151 cites·2 claims
- 0998US11827370B1Aircraft propulsion system with intermittent combustion engine and electric transmission system and method for operating the samePRATT & WHITNEY CANADA·Filed 2022·Granted Nov 28, 2023·11 cites·20 claims
- 1098US11572897B1Compressor with casing treatmentPRATT & WHITNEY CANADA·Filed 2021·Granted Feb 7, 2023·13 cites·15 claims
- 1198US11542869B2Dual cycle intercooled hydrogen engine architecturePRATT & WHITNEY CANADA·Filed 2021·Granted Jan 3, 2023·9 cites·18 claims
- 1298US11535392B2Architectures for hybrid-electric propulsionPRATT & WHITNEY CANADA·Filed 2019·Granted Dec 27, 2022·16 cites·16 claims
- 1398US11365798B1Gear bafflePRATT & WHITNEY CANADA·Filed 2020·Granted Jun 21, 2022·9 cites·17 claims
- 1498US11352891B2Method for manufacturing a composite guide vane having a metallic leading edgePRATT & WHITNEY CANADA·Filed 2020·Granted Jun 7, 2022·4 cites·18 claims
- 1598US11333068B1Side wall for rotary engine housingPRATT & WHITNEY CANADA·Filed 2021·Granted May 17, 2022·13 cites·17 claims
- 1698US11268453B1Lubrication system for aircraft engine reduction gearboxPRATT & WHITNEY CANADA·Filed 2021·Granted Mar 8, 2022·28 cites·20 claims
- 1798US10683773B2Planetary gearbox having compliant journal bearingsPRATT & WHITNEY CANADA·Filed 2018·Granted Jun 16, 2020·17 cites·20 claims
- 1898US10590867B2Method of operating an engine assemblyPRATT & WHITNEY CANADA·Filed 2017·Granted Mar 17, 2020·113 cites·20 claims
- 1998US10393027B2Gas turbine engine shaft architecture and associated method of disassemblyPRATT & WHITNEY CANADA·Filed 2017·Granted Aug 27, 2019·17 cites·19 claims
- 2098US10267521B2Combustor heat shieldPRATT & WHITNEY CANADA·Filed 2015·Granted Apr 23, 2019·13 cites·10 claims
- 2198US10125684B2Surface cooler for aero enginePRATT & WHITNEY CANADA·Filed 2015·Granted Nov 13, 2018·25 cites·16 claims
- 2298US9359956B2Relighting a turbofan enginePRATT & WHITNEY CANADA·Filed 2014·Granted Jun 7, 2016·30 cites·1 claims
- 2398US9347379B2Relighting a turbofan enginePRATT & WHITNEY CANADA·Filed 2014·Granted May 24, 2016·30 cites·4 claims
- 2498US9328667B2Systems and methods for changing a speed of a compressor boost stage in a gas turbinePRATT & WHITNEY CANADA·Filed 2015·Granted May 3, 2016·18 cites·6 claims
- 2598US9200563B2Internal combustion engine with common rail pilot and main injectionPRATT & WHITNEY CANADA·Filed 2013·Granted Dec 1, 2015·28 cites·20 claims
- 2698US7861981B2Protective saddle mount for cable tiePRATT & WHITNEY CANADA·Filed 2008·Granted Jan 4, 2011·69 cites·13 claims
- 2798US7854582B2Operation of an aircraft engine after emergency shutdownPRATT & WHITNEY CANADA·Filed 2007·Granted Dec 21, 2010·69 cites·18 claims
- 2898US7364117B2Passive cooling system for auxiliary power unit installationPRATT & WHITNEY CANADA·Filed 2005·Granted Apr 29, 2008·56 cites·34 claims
- 2998US7354249B2LP turbine blade airfoil profilePRATT & WHITNEY CANADA·Filed 2006·Granted Apr 8, 2008·73 cites·14 claims
- 3098US6651929B2Passive cooling system for auxiliary power unit installationPRATT & WHITNEY CANADA·Filed 2001·Granted Nov 25, 2003·163 cites·34 claims
- 3198US5988975AGas turbine engine shroud sealsPRATT & WHITNEY CANADA·Filed 1997·Granted Nov 23, 1999·146 cites·8 claims
- 3298US5738490AGas turbine engine shroud sealsPRATT & WHITNEY CANADA·Filed 1996·Granted Apr 14, 1998·137 cites·4 claims
- 3397US12065950B1Structural scroll casePRATT & WHITNEY CANADA·Filed 2023·Granted Aug 20, 2024·8 cites·20 claims
- 3497US11674408B1Actively controlled bleed valvePRATT & WHITNEY CANADA·Filed 2022·Granted Jun 13, 2023·5 cites·19 claims
- 3597US11485504B2Aircraft power plant with supercritical CO2 heat enginePRATT & WHITNEY CANADA·Filed 2020·Granted Nov 1, 2022·4 cites·18 claims
- 3697US11453508B2Circulating coolant fluid in hybrid electrical propulsion systemsPRATT & WHITNEY CANADA·Filed 2021·Granted Sep 27, 2022·4 cites·21 claims
- 3797US10837361B2Gas turbine engine inletPRATT & WHITNEY CANADA·Filed 2018·Granted Nov 17, 2020·20 cites·14 claims
- 3897US10690146B2Turbofan nacelle assembly with flow disruptorPRATT & WHITNEY CANADA·Filed 2017·Granted Jun 23, 2020·18 cites·16 claims
- 3997US10480407B2Heat exchanger assembly for engine bleed airPRATT & WHITNEY CANADA·Filed 2017·Granted Nov 19, 2019·15 cites·20 claims
- 4097US10458340B2Turbine shaft power take-offPRATT & WHITNEY CANADA·Filed 2017·Granted Oct 29, 2019·14 cites·20 claims
- 4197US10378554B2Gas turbine engine with partial inlet vanePRATT & WHITNEY CANADA·Filed 2014·Granted Aug 13, 2019·30 cites·26 claims
- 4297US9879591B2Engine intake assembly with selector valvePRATT & WHITNEY CANADA·Filed 2015·Granted Jan 30, 2018·11 cites·8 claims
- 4397US9869240B2Compound engine assembly with cantilevered compressor and turbinePRATT & WHITNEY CANADA·Filed 2015·Granted Jan 16, 2018·19 cites·18 claims
- 4497US9334794B2Rotary internal combustion engine with pilot subchamber and ignition elementPRATT & WHITNEY CANADA·Filed 2013·Granted May 10, 2016·20 cites·20 claims
- 4597US7775044B2Low volumetric compression ratio integrated turbo-compound rotary enginePRATT & WHITNEY CANADA·Filed 2005·Granted Aug 17, 2010·149 cites·34 claims
- 4697US7559747B2Turbine exhaust strut airfoil profilePRATT & WHITNEY CANADA·Filed 2006·Granted Jul 14, 2009·43 cites·13 claims
- 4797US7454914B2Helical channel for distributor and methodPRATT & WHITNEY CANADA·Filed 2006·Granted Nov 25, 2008·29 cites·13 claims
- 4897US7439713B2Modulation control of power generation systemPRATT & WHITNEY CANADA·Filed 2006·Granted Oct 21, 2008·37 cites·15 claims
- 4997US7367779B2LP turbine vane airfoil profilePRATT & WHITNEY CANADA·Filed 2006·Granted May 6, 2008·77 cites·14 claims
- 5097US7244104B2Deflectors for controlling entry of fluid leakage into the working fluid flowpath of a gas turbine enginePRATT & WHITNEY CANADA·Filed 2005·Granted Jul 17, 2007·70 cites·20 claims
Showing the top 50 of 3,256 patent records by PatentIndex Score.
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