Inventor · disambiguated record
David Reginald Trainer
Also filed as: TRAINER DAVID · TRAINER DAVID R · TRAINER DAVID REGINALD
84 granted patents·46 pending applications·550 citations·filing 1982–2025
99Inventor score
Files withROLLS ROYCE PLC56GENERAL ELECTRIC TECHNOLOGY GMBH19ALSTOM TECHNOLOGY LTD13TRAINER DAVID REGINALD9TRAINER DAVID7
Top patents by PatentIndex Score
130 records- 0195US9130458B2Static VAR compensator with multilevel converterCROOKES WILLIAM·Filed 2010·Granted Sep 8, 2015·32 cites·16 claims
- 0294US8867244B2HVDC converter including fullbridge cells for handling a DC side short circuitTRAINER DAVID REGINALD·Filed 2010·Granted Oct 21, 2014·40 cites·28 claims
- 0393US8934268B2Power electronic converter for use in high voltage direct current power transmissionTRAINER DAVID·Filed 2010·Granted Jan 13, 2015·19 cites·21 claims
- 0492US8854843B2HVDC converter with neutral-point connected zero-sequence dump resistorTRAINER DAVID REGINALD·Filed 2010·Granted Oct 7, 2014·17 cites·14 claims
- 0591US11879413B2Gas turbine engineROLLS ROYCE PLC·Filed 2022·Granted Jan 23, 2024·2 cites·14 claims
- 0691US9065299B2Converter for HVDC transmission and reactive power compensationTRAINER DAVID·Filed 2010·Granted Jun 23, 2015·20 cites·37 claims
- 0789US8861231B2ConverterCROSS ANDREW·Filed 2010·Granted Oct 14, 2014·19 cites·22 claims
- 0888US12418170B2Electrical power system converter controlROLLS ROYCE PLC·Filed 2022·Granted Sep 16, 2025·2 cites·19 claims
- 0987US10560014B2Fault protection for voltage source convertersGENERAL ELECTRIC TECHNOLOGY GMBH·Filed 2017·Granted Feb 11, 2020·6 cites·15 claims
- 1086US9954358B2Control circuitOKAEME NNAMDI·Filed 2012·Granted Apr 24, 2018·15 cites·12 claims
- 1185US9344010B2Power electronic converterALSTOM TECHNOLOGY LTD·Filed 2013·Granted May 17, 2016·5 cites·8 claims
- 1285US8698444B2Aircraft electrical actuator arrangementMALKIN PETER·Filed 2010·Granted Apr 15, 2014·14 cites·26 claims
- 1384US11121639B2Voltage converterROLLS ROYCE PLC·Filed 2020·Granted Sep 14, 2021·2 cites·16 claims
- 1484US8867242B2Hybrid 2-level and multilevel HVDC converterCLARE JONATHAN CHARLES·Filed 2010·Granted Oct 21, 2014·17 cites·30 claims
- 1584US8424280B2Gas turbine engine arrangementMOORE GARETH E·Filed 2009·Granted Apr 23, 2013·28 cites·21 claims
- 1683US5532575AMultilevel converter with capacitor voltage balancingGEC ALSTHOM LTD·Filed 1995·Granted Jul 2, 1996·82 cites·22 claims
- 1781US8599591B2ConverterCROOKES WILLIAM·Filed 2009·Granted Dec 3, 2013·17 cites·13 claims
- 1880US9853512B2Stator winding arrangement for an electrical machine having series connected short and long windingsROLLS ROYCE PLC·Filed 2014·Granted Dec 26, 2017·6 cites·11 claims
- 1979US8848401B2Modular multilevel power electronic converter having selectively definable circulation pathGREEN TIMOTHY CHARLES·Filed 2010·Granted Sep 30, 2014·9 cites·22 claims
- 2078US9490693B2Converter for HVDC transmission and reactive power compensationALSTOM TECHNOLOGY LTD·Filed 2015·Granted Nov 8, 2016·3 cites·19 claims
- 2177US10310003B2Fault location in DC networksGENERAL ELECTRIC TECHNOLOGY GMBH·Filed 2015·Granted Jun 4, 2019·2 cites·14 claims
- 2276US9209693B2Control circuit for DC network to maintain zero net change in energy levelDAVIDSON COLIN CHARNOCK·Filed 2011·Granted Dec 8, 2015·5 cites·17 claims
- 2376US4485666AGas analyzerCOAL INDUSTRY PATENTS LTD·Filed 1982·Granted Dec 4, 1984·37 cites·4 claims
- 2475US11063527B2ConverterROLLS ROYCE PLC·Filed 2019·Granted Jul 13, 2021·2 cites·16 claims
- 2575US9847642B2Control circuitALSTOM TECHNOLOGY LTD·Filed 2013·Granted Dec 19, 2017·2 cites·12 claims
- 2675US9306392B2Control circuit for excess energy removal in power transmission linesALSTOM TECHNOLOGY LTD·Filed 2012·Granted Apr 5, 2016·3 cites·18 claims
- 2774US7752090B2System and method for reversing accounting distortions and calculating a true value of a businessTRAINER DAVID·Filed 2003·Granted Jul 6, 2010·6 cites·56 claims
- 2874US7148661B2Multi-pulse converter circuitsGOODRICH CONTROL SYS LTD·Filed 2004·Granted Dec 12, 2006·35 cites·17 claims
- 2971US12395091B2Electrical power systemROLLS ROYCE PLC·Filed 2023·Granted Aug 19, 2025·0 cites·19 claims
- 3071US12027940B2RectifierROLLS ROYCE PLC·Filed 2022·Granted Jul 2, 2024·0 cites·20 claims
- 3171US8861234B2Voltage source converter having chain link converter for use in high voltage DC transmissionTRAINER DAVID·Filed 2009·Granted Oct 14, 2014·12 cites·10 claims
- 3269US8169756B2Fault current limitingHUSBAND STEPHEN M·Filed 2009·Granted May 1, 2012·5 cites·17 claims
- 3369US7573243B2Generator control arrangementROLLS ROYCE PLC·Filed 2007·Granted Aug 11, 2009·8 cites·11 claims
- 3468US12388385B2Electrical power systemROLLS ROYCE PLC·Filed 2023·Granted Aug 12, 2025·0 cites·20 claims
- 3568US9866138B2Voltage source converter and control thereofGENERAL ELECTRIC TECHNOLOGY GMBH·Filed 2015·Granted Jan 9, 2018·2 cites·22 claims
- 3668US7800880B2Earthing arrangementROLLS ROYCE PLC·Filed 2007·Granted Sep 21, 2010·6 cites·10 claims
- 3767US2025293588A1Power electronics converterROLLS ROYCE PLC·Filed 2025·Application pending·0 cites
- 3865US9479061B2DC to DC converter assemblyTRAINER DAVID REGINALD·Filed 2011·Granted Oct 25, 2016·2 cites·8 claims
- 3964US12431748B2Aircraft power and propulsion systems comprising permanent magnet electrical machinesROLLS ROYCE PLC·Filed 2023·Granted Sep 30, 2025·0 cites·16 claims
- 4064US11873109B2Electrical power systemROLLS ROYCE PLC·Filed 2022·Granted Jan 16, 2024·0 cites·18 claims
- 4164US8837176B2Converter with reactive power compensationTRAINER DAVID REGINALD·Filed 2009·Granted Sep 16, 2014·6 cites·20 claims
- 4264US8427117B2Electromechanical arrangementTRAINER DAVID R·Filed 2009·Granted Apr 23, 2013·7 cites·19 claims
- 4362US9184591B2Electrical systemROLLS ROYCE PLC·Filed 2013·Granted Nov 10, 2015·2 cites·10 claims
- 4462US8879291B2Multilevel voltage source converterTRAINER DAVID·Filed 2009·Granted Nov 4, 2014·6 cites·32 claims
- 4562US2024280414A1Junction temperature estimationROLLS ROYCE PLC·Filed 2024·Application pending·0 cites
- 4661US12304315B2Electrical converterROLLS ROYCE PLC·Filed 2022·Granted May 20, 2025·0 cites·17 claims
- 4761US12172763B2Electrical power systemROLLS ROYCE PLC·Filed 2023·Granted Dec 24, 2024·0 cites·20 claims
- 4861US12046894B2Current limiting diodeROLLS ROYCE PLC·Filed 2022·Granted Jul 23, 2024·0 cites·13 claims
- 4961US8395346B2Synchronous electrical machineTRAINER DAVID R·Filed 2008·Granted Mar 12, 2013·6 cites·22 claims
- 5061US2025226760A1Electrical power systemROLLS ROYCE PLC·Filed 2024·Application pending·0 cites
Showing the top 50 of 130 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when David Reginald Trainer files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →