Assignee
SAFRAN HELICOPTER ENGINES
FR·177 granted patents·55 pending applications·222 citations·filing 2013–2024
Top patents by PatentIndex Score
232 records- 0194US10766629B2Architecture of a multiple-engine helicopter propulsion system, and corresponding helicopterSAFRAN HELICOPTER ENGINES·Filed 2015·Granted Sep 8, 2020·39 cites·19 claims
- 0293US10337409B2Method for assisting a turboshaft engine in standby of a multiple-engine helicopter, and architecture of a propulsion system of a helicopter comprising at least one turboshaft engine that can be in standbySAFRAN HELICOPTER ENGINES·Filed 2015·Granted Jul 2, 2019·12 cites·13 claims
- 0390US10662875B2Propulsion unit with selective coupling meansSAFRAN HELICOPTER ENGINES·Filed 2015·Granted May 26, 2020·13 cites·8 claims
- 0490US9828917B2Rapid assistance device for a free turbine engine of an aircraftSAFRAN HELICOPTER ENGINES·Filed 2015·Granted Nov 28, 2017·12 cites·15 claims
- 0589US11459960B2Method for checking the maximum available power of a turbine engine of an aircraft equipped with two turbine enginesSAFRAN HELICOPTER ENGINES·Filed 2018·Granted Oct 4, 2022·9 cites·12 claims
- 0689US11161603B2Architecture for a propulsion system of a helicopter including a hybrid turboshaft engine and a system for reactivating said hybrid turboshaft engineSAFRAN HELICOPTER ENGINES·Filed 2015·Granted Nov 2, 2021·17 cites·5 claims
- 0789US10151246B2Assistance device for a free-turbine engine of an aircraft having at least two free-turbine enginesSAFRAN HELICOPTER ENGINES·Filed 2015·Granted Dec 11, 2018·9 cites·12 claims
- 0886US11846198B2Turbomachine having a free turbine comprising electric machines assisting a gas generator and a free turbineSAFRAN HELICOPTER ENGINES·Filed 2021·Granted Dec 19, 2023·2 cites·7 claims
- 0985US12030662B2Propulsion system for a helicopterSAFRAN HELICOPTER ENGINES·Filed 2020·Granted Jul 9, 2024·2 cites·16 claims
- 1085US10415482B2Turboshaft engine comprising a controlled mechanical coupling device, helicopter equipped with such a turboshaft engine, and method for optimising the zero-power super-idle speed of such a helicopterSAFRAN HELICOPTER ENGINES·Filed 2015·Granted Sep 17, 2019·5 cites·11 claims
- 1184US10054053B2Turbomachine designed to operate in turning gear modeSAFRAN HELICOPTER ENGINES·Filed 2014·Granted Aug 21, 2018·8 cites·12 claims
- 1283US12071854B2Curvilinear coupling for aircraft turbomachinerySAFRAN HELICOPTER ENGINES·Filed 2020·Granted Aug 27, 2024·2 cites·7 claims
- 1383US11316394B2Electrical machine of a turbomachine comprising a rotor cooled by a cooling channelSAFRAN HELICOPTER ENGINES·Filed 2018·Granted Apr 26, 2022·3 cites·9 claims
- 1483US11085376B2Integration of a phase-change material for limiting the temperature of fuel from an electronic moduleSAFRAN HELICOPTER ENGINES·Filed 2017·Granted Aug 10, 2021·4 cites·17 claims
- 1583US11047312B2Turboprop comprising an incorporated electricity generatorSAFRAN HELICOPTER ENGINES·Filed 2018·Granted Jun 29, 2021·4 cites·9 claims
- 1683US10214296B2Architecture of a multi-engine helicopter propulsion system and corresponding helicopterSAFRAN HELICOPTER ENGINES·Filed 2015·Granted Feb 26, 2019·6 cites·9 claims
- 1782US10329685B2Device intended for implementing an anodization treatment and anodization treatmentSAFRAN HELICOPTER ENGINES·Filed 2015·Granted Jun 25, 2019·2 cites·12 claims
- 1879US11391203B2Asymmetric propulsion system with heat recoverySAFRAN HELICOPTER ENGINES·Filed 2019·Granted Jul 19, 2022·3 cites·11 claims
- 1979US10578031B2Method for detecting a failure of a first turbine engine of a twin-engine helicopter and for operating the second turbine engine, and corresponding deviceSAFRAN HELICOPTER ENGINES·Filed 2015·Granted Mar 3, 2020·5 cites·10 claims
- 2078US11828192B2Hollow blade containing an internal latticeSAFRAN HELICOPTER ENGINES·Filed 2020·Granted Nov 28, 2023·2 cites·14 claims
- 2177US11401863B2Centrifugal deaerator for a turbomachineSAFRAN HELICOPTER ENGINES·Filed 2018·Granted Aug 2, 2022·1 cites·7 claims
- 2277US10176648B2Method and device for notifying an authorization to completely shut down an aircraft gas turbine engineSAFRAN HELICOPTER ENGINES·Filed 2015·Granted Jan 8, 2019·3 cites·7 claims
- 2375US11746657B2Turbomachine rotorSAFRAN HELICOPTER ENGINES·Filed 2019·Granted Sep 5, 2023·3 cites·17 claims
- 2475US10677670B2Twisting torque sensorSAFRAN HELICOPTER ENGINES·Filed 2017·Granted Jun 9, 2020·3 cites·9 claims
- 2574US12012214B2Hybrid propulsion system for vertical take-off and landing aircraftSAFRAN HELICOPTER ENGINES·Filed 2020·Granted Jun 18, 2024·1 cites·11 claims
- 2674US11852023B2Method for quickly stopping the rotor of a helicopter after landingSAFRAN HELICOPTER ENGINES·Filed 2020·Granted Dec 26, 2023·1 cites·20 claims
- 2774US10683804B2System for recovering exhaust gas energySAFRAN HELICOPTER ENGINES·Filed 2016·Granted Jun 16, 2020·2 cites·6 claims
- 2874US10138734B2Turbine ring for a turbomachineSAFRAN HELICOPTER ENGINES·Filed 2014·Granted Nov 27, 2018·7 cites·11 claims
- 2972US10371062B2Turboshaft engine, twin-engine helicopter equipped with such a turboshaft engine, and method for optimising the zero-power super-idle speed of such a twin-engine helicopterSAFRAN HELICOPTER ENGINES·Filed 2015·Granted Aug 6, 2019·2 cites·4 claims
- 3071US10527287B2Injectors for gas turbine combustion chamberSAFRAN HELICOPTER ENGINES·Filed 2017·Granted Jan 7, 2020·2 cites·8 claims
- 3169US11313047B2Method of treatment against corrosion and against wearSAFRAN HELICOPTER ENGINES·Filed 2014·Granted Apr 26, 2022·1 cites·4 claims
- 3268US10450962B2Method and a system for reliably starting a turbine engineSAFRAN HELICOPTER ENGINES·Filed 2014·Granted Oct 22, 2019·4 cites·16 claims
- 3367US12378915B2Fuel supply circuit of an aircraft engineSAFRAN HELICOPTER ENGINES·Filed 2024·Granted Aug 5, 2025·0 cites·11 claims
- 3466US11808179B2Turbomachine hollow bladeSAFRAN HELICOPTER ENGINES·Filed 2021·Granted Nov 7, 2023·1 cites·14 claims
- 3565US11060456B2Centrifugal deaerator for a turbomachineSAFRAN HELICOPTER ENGINES·Filed 2018·Granted Jul 13, 2021·1 cites·15 claims
- 3665US10753280B2Turbomachine designed to operate in turning gear modeSAFRAN HELICOPTER ENGINES·Filed 2014·Granted Aug 25, 2020·2 cites·7 claims
- 3764US10301035B2Method and configuration for an auxiliary power engine to deliver propulsive and/or non-propulsive energy in a helicopter architectureSAFRAN HELICOPTER ENGINES·Filed 2013·Granted May 28, 2019·5 cites·14 claims
- 3864US2025121562A1Process for three-dimensional printing with variable cross-sectionSAFRAN HELICOPTER ENGINES·Filed 2024·Application pending·0 cites
- 3963US12421902B2Transfer of power between the high-pressure shaft and the low-pressure shaft of a turbomachineSAFRAN HELICOPTER ENGINES·Filed 2022·Granted Sep 23, 2025·0 cites·14 claims
- 4063US10408277B2Twist-breakable mechanical fuse and cooling unit of a turbine engine fitted with such a fuseSAFRAN HELICOPTER ENGINES·Filed 2015·Granted Sep 10, 2019·1 cites·10 claims
- 4163US9708981B2Method and device for supplying a lubricantSAFRAN HELICOPTER ENGINES·Filed 2016·Granted Jul 18, 2017·1 cites·9 claims
- 4262US12428130B2Propulsion unit with foldable propeller blades and method for folding the bladesSAFRAN HELICOPTER ENGINES·Filed 2021·Granted Sep 30, 2025·0 cites·10 claims
- 4362US12097947B2Propulsion unit with foldable propeller blades and method for folding the bladesSAFRAN HELICOPTER ENGINES·Filed 2021·Granted Sep 24, 2024·0 cites·8 claims
- 4462US11525360B2Ventilated high pressure blade of a helicopter turbine comprising an upstream duct and a central cooling chamberSAFRAN HELICOPTER ENGINES·Filed 2018·Granted Dec 13, 2022·2 cites·12 claims
- 4562US10767512B2Particle-trapping device for a turbomachine and turbomachine with such a deviceSAFRAN HELICOPTER ENGINES·Filed 2016·Granted Sep 8, 2020·2 cites·9 claims
- 4661US12339185B2Hydraulic torque measurement device for aircraft engine unitSAFRAN HELICOPTER ENGINES·Filed 2021·Granted Jun 24, 2025·0 cites·11 claims
- 4761US11680880B2Tensile testing machineSAFRAN HELICOPTER ENGINES·Filed 2019·Granted Jun 20, 2023·1 cites·8 claims
- 4861US10807724B2Aircraft turboprop engine provided with an electric machineSAFRAN HELICOPTER ENGINES·Filed 2017·Granted Oct 20, 2020·1 cites·9 claims
- 4961US10253699B2Device and method for testing the integrity of a helicopter turbine engine rapid restart systemSAFRAN HELICOPTER ENGINES·Filed 2015·Granted Apr 9, 2019·1 cites·10 claims
- 5060US11923736B2Electric machine with device for forcibly demagnetising permanent magnetsSAFRAN HELICOPTER ENGINES·Filed 2019·Granted Mar 5, 2024·0 cites·14 claims
Showing the top 50 of 232 patent records by PatentIndex Score.
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