Inventor · disambiguated record
Andrew J. Eifert
Also filed as: EIFERT ANDREW · EIFERT ANDREW J · EIFERT ANDREW JAMES
32 granted patents·7 pending applications·51 citations·filing 2009–2024
94Inventor score
Top patents by PatentIndex Score
39 records- 0191US11808216B1Air-provisioning system with ejectorsROLLS ROYCE NAM TECH INC·Filed 2022·Granted Nov 7, 2023·3 cites·20 claims
- 0291US11499474B2System for startup support of externally heated turbine engineROLLS ROYCE NAM TECH INC·Filed 2021·Granted Nov 15, 2022·6 cites·17 claims
- 0388US10563535B2Keystoned blade trackROLLS ROYCE NAM TECH INC·Filed 2016·Granted Feb 18, 2020·4 cites·13 claims
- 0486US9982676B2Split axial-centrifugal compressorROLLS ROYCE NAM TECH INC·Filed 2015·Granted May 29, 2018·5 cites·13 claims
- 0584US12000293B1Systems and methods for multi-dimensional variable vane stage rigging utilizing coupling mechanismsROLLS ROYCE NAM TECH INC·Filed 2022·Granted Jun 4, 2024·1 cites·19 claims
- 0677US9915201B2Aircraft power systemROLLS ROYCE CORP·Filed 2013·Granted Mar 13, 2018·6 cites·10 claims
- 0775US10801409B2Systems and methods for selectively augmenting power output of a gas turbine engineROLLS ROYCE NAM TECH INC·Filed 2017·Granted Oct 13, 2020·2 cites·19 claims
- 0874US10641121B2Gas turbine engine with rotor tip clearance control systemROLLS ROYCE NAM TECH INC·Filed 2017·Granted May 5, 2020·2 cites·19 claims
- 0973US11274567B2Keystoned blade trackROLLS ROYCE NAM TECH INC·Filed 2019·Granted Mar 15, 2022·1 cites·20 claims
- 1071US10087852B2Fuel flow splitter and gas turbine fuel system health monitoringROLLS ROYCE NAM TECH INC·Filed 2014·Granted Oct 2, 2018·4 cites·17 claims
- 1171US2024006085A1System for control of externally heated turbine engineROLLS ROYCE NAM TECH INC·Filed 2023·Application pending·0 cites
- 1270US10920602B2Tip clearance control systemROLLS ROYCE CORP·Filed 2019·Granted Feb 16, 2021·1 cites·7 claims
- 1370US8376693B2Variable vane assemblyROLLS ROYCE PLC·Filed 2009·Granted Feb 19, 2013·14 cites·7 claims
- 1468US10494935B2Brazed blade track for a gas turbine engineROLLS ROYCE CORP·Filed 2016·Granted Dec 3, 2019·1 cites·20 claims
- 1564US10550709B2Full hoop blade track with flanged segmentsROLLS ROYCE NAM TECH INC·Filed 2016·Granted Feb 4, 2020·1 cites·9 claims
- 1662US11053806B2Brazed blade track for a gas turbine engineROLLS ROYCE CORP·Filed 2019·Granted Jul 6, 2021·0 cites·17 claims
- 1761US11834966B1Systems and methods for multi-dimensional variable vane stage rigging utilizing adjustable alignment mechanismsROLLS ROYCE NAM TECH INC·Filed 2022·Granted Dec 5, 2023·0 cites·20 claims
- 1861US11776702B2System for control of externally heated turbine engineROLLS ROYCE NAM TECH INC·Filed 2021·Granted Oct 3, 2023·0 cites·16 claims
- 1957US2025353608A1Vehicle electrical power synchronization via hydraulicsROLLS ROYCE NAM TECH INC·Filed 2024·Application pending·0 cites
- 2057US2025357823A1Vehicle electrical power synchronization via hydraulicsROLLS ROYCE NAM TECH INC·Filed 2024·Application pending·0 cites
- 2153US11982193B1Systems and methods for multi-dimensional variable vane stage rigging utilizing adjustable inclined mechanismsROLLS ROYCE NAM TECH INC·Filed 2022·Granted May 14, 2024·0 cites·20 claims
- 2253US11578654B2Centrifical compressor assembly for a gas turbine engineROLLS ROYCE NAM TECH INC·Filed 2021·Granted Feb 14, 2023·0 cites·17 claims
- 2353US10428676B2Tip clearance control with variable speed blowerROLLS ROYCE CORP·Filed 2017·Granted Oct 1, 2019·0 cites·18 claims
- 2452US10323577B2Self-cooled gas bottleROLLS ROYCE NAM TECH INC·Filed 2016·Granted Jun 18, 2019·0 cites·20 claims
- 2551US12146414B2Stator vane control system with magnetic actuation rotor for gas turbine enginesROLLS ROYCE NAM TECH INC·Filed 2022·Granted Nov 19, 2024·0 cites·20 claims
- 2651US12146415B2Systems and methods for multi-dimensional variable vane stage rigging utilizing adjustable bracket platesROLLS ROYCE NAM TECH INC·Filed 2022·Granted Nov 19, 2024·0 cites·20 claims
- 2751US12000292B1Systems and methods for multi-dimensional variable vane stage riggingROLLS ROYCE NAM TECH INC·Filed 2022·Granted Jun 4, 2024·0 cites·19 claims
- 2850US10794667B2Optical thermal profileROLLS ROYCE NAM TECH INC·Filed 2017·Granted Oct 6, 2020·0 cites·18 claims
- 2950US10247104B2Oxygen enhanced pneumatic startingROLLS ROYCE NAM TECH INC·Filed 2016·Granted Apr 2, 2019·0 cites·17 claims
- 3050US8763404B2Systems, apparatuses, and methods of harnessing thermal energy of gas turbine enginesEIFERT ANDREW·Filed 2009·Granted Jul 1, 2014·0 cites·16 claims
- 3147US12270309B2Variable stator vane assembly with magnetic actuation rotor for gas turbine enginesROLLS ROYCE NAM TECH INC·Filed 2022·Granted Apr 8, 2025·0 cites·16 claims
- 3247US11879385B2Engine system with fuel-drive thermal supportROLLS ROYCE NAM TECH INC·Filed 2021·Granted Jan 23, 2024·0 cites·19 claims
- 3347US2020108551A1Damped articles and systems and techniques for forming damped articlesROLLS ROYCE NAM TECH INC·Filed 2018·Application pending·0 cites
- 3445US2014271115A1Adjustable turbine vane coolingROLLS ROYCE CORP·Filed 2013·Application pending·0 cites
- 3544US10619518B2Exhaust system with directed energy beam interference avoidance systemROLLS ROYCE NAM TECH INC·Filed 2016·Granted Apr 14, 2020·0 cites·20 claims
- 3644US10329943B2Split axial-centrifugal compressorROLLS ROYCE NAM TECH INC·Filed 2015·Granted Jun 25, 2019·0 cites·16 claims
- 3743US2019017443A1Rapidly available electric power from a turbine-generator system having an auxiliary power sourceROLLS ROYCE NAM TECH INC·Filed 2017·Application pending·0 cites
- 3838US11982239B2Gas turbine engine system with mixed flow auxiliary power unitROLLS ROYCE NAM TECH INC·Filed 2021·Granted May 14, 2024·0 cites·9 claims
- 3937US2018363488A1Tip clearance control with finned case designROLLS ROYCE CORP·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →