Inventor · disambiguated record
Stephen Andrew Long
Also filed as: LONG STEPHEN · LONG STEPHEN A · LONG STEPHEN ANDREW
28 granted patents·1 pending application·63 citations·filing 2008–2024
94Inventor score
Files withROLLS ROYCE NAM TECH INC10ROLLS ROYCE CORP6ROLLS ROYCE SINGAPORE PTE LTD3ROLLS ROYCE PLC2CULLEN JOHN J A1
Top patents by PatentIndex Score
29 records- 0191US10759540B2Hybrid propulsion systemsROLLS ROYCE NAM TECH INC·Filed 2018·Granted Sep 1, 2020·11 cites·12 claims
- 0285US11866180B2Hybrid propulsion systemsROLLS ROYCE NAM TECH INC·Filed 2022·Granted Jan 9, 2024·1 cites·10 claims
- 0384US11159024B2Electrical architecture for hybrid propulsionROLLS ROYCE NAM TECH INC·Filed 2018·Granted Oct 26, 2021·5 cites·20 claims
- 0484US10906658B2Energy storage system for a hybrid power systemROLLS ROYCE NAM TECH INC·Filed 2018·Granted Feb 2, 2021·5 cites·19 claims
- 0583US11225881B2Hybrid propulsion systemsROLLS ROYCE NAM TECH INC·Filed 2018·Granted Jan 18, 2022·5 cites·14 claims
- 0678US12404031B2Hybrid propulsion systemsROLLS ROYCE NAM TECH INC·Filed 2023·Granted Sep 2, 2025·0 cites·11 claims
- 0776US11370554B2Hybrid propulsion systemsROLLS ROYCE NAM TECH INC·Filed 2018·Granted Jun 28, 2022·2 cites·6 claims
- 0874US11520362B2Control for a target common bus voltageROLLS ROYCE SINGAPORE PTE LTD·Filed 2021·Granted Dec 6, 2022·1 cites·20 claims
- 0974US10907494B2Parallel hybrid propulsion systemROLLS ROYCE NAM TECH INC·Filed 2019·Granted Feb 2, 2021·3 cites·18 claims
- 1071US8908336B2Fault tolerant electrical machineCULLEN JOHN JAMES ANTHONY·Filed 2011·Granted Dec 9, 2014·3 cites·20 claims
- 1169US11970973B2Electric machine cooling of stator with tubeROLLS ROYCE CORP·Filed 2020·Granted Apr 30, 2024·1 cites·16 claims
- 1267US8570774B2Electrical power system with high-density pulse width modulated (PWM) rectifierWANG RUXI·Filed 2009·Granted Oct 29, 2013·10 cites·30 claims
- 1367US2024166361A1Hybrid propulsion system cockpit interfaceROLLS ROYCE CORP·Filed 2024·Application pending·0 cites
- 1465US12327916B2Low profile, high power microwave antenna, combiner and radial waveguide and additive manufacture of sameSOUTHWEST RES INST·Filed 2023·Granted Jun 10, 2025·0 cites·20 claims
- 1564US11905026B2Hybrid propulsion system cockpit interfaceROLLS ROYCE CORP·Filed 2021·Granted Feb 20, 2024·0 cites·19 claims
- 1662US11542032B2Method and tool for optimizing fuel/electrical energy storage allocation for hybrid-electric aircraftROLLS ROYCE NAM TECH INC·Filed 2019·Granted Jan 3, 2023·1 cites·21 claims
- 1760US12291996B2Energy storage system heater control methodsROLLS ROYCE CORP·Filed 2022·Granted May 6, 2025·0 cites·18 claims
- 1860US7830105B2Electrical machineROLLS ROYCE PLC·Filed 2008·Granted Nov 9, 2010·4 cites·30 claims
- 1959US12297771B2Energy storage system heater control architectureROLLS ROYCE CORP·Filed 2022·Granted May 13, 2025·0 cites·18 claims
- 2057US8653797B2Synchronous electrical machineCULLEN JOHN J A·Filed 2009·Granted Feb 18, 2014·6 cites·20 claims
- 2155US7847431B2Method and system for electrical power generationROLLS ROYCE PLC·Filed 2009·Granted Dec 7, 2010·3 cites·14 claims
- 2253US11518538B2Control for a target common bus voltageROLLS ROYCE SINGAPORE PTE LTD·Filed 2021·Granted Dec 6, 2022·0 cites·20 claims
- 2352US11520361B2Control for a target common bus voltageROLLS ROYCE SINGAPORE PTE LTD·Filed 2021·Granted Dec 6, 2022·0 cites·17 claims
- 2450US12024308B2Propeller driven backup cooling pump system for electric motor converterROLLS ROYCE CORP·Filed 2021·Granted Jul 2, 2024·0 cites·20 claims
- 2550US8111496B2Earthing arrangement for a DC electrical system and a method of operating an earthing arrangement for a DC electrical systemLONG STEPHEN A·Filed 2009·Granted Feb 7, 2012·2 cites·24 claims
- 2640US11628949B2Modular power units for aircraftROLLS ROYCE NAM TECH INC·Filed 2019·Granted Apr 18, 2023·0 cites·13 claims
- 2738US8154260B2Generating systemHU LIHUA·Filed 2009·Granted Apr 10, 2012·0 cites·21 claims
- 2836US8193750B2Electrical machine arrangementTRAINER DAVID REGINALD·Filed 2009·Granted Jun 5, 2012·0 cites·15 claims
- 2936US8125196B2Electrical power arrangementTRAINER DAVID R·Filed 2009·Granted Feb 28, 2012·0 cites·16 claims
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