Inventor · disambiguated record
Sivakumar Nadarajan
Also filed as: NADARAJAN SIVAKUMAR
11 granted patents·18 pending applications·21 citations·filing 2014–2025
84Inventor score
Top patents by PatentIndex Score
29 records- 0184US10267860B2Fault detection in induction machinesROLLS ROYCE PLC·Filed 2015·Granted Apr 23, 2019·5 cites·17 claims
- 0283US10408879B2Method and apparatus for diagnosing a fault condition in an electric machineROLLS ROYCE PLC·Filed 2017·Granted Sep 10, 2019·3 cites·18 claims
- 0379US10082531B2Electrical machine component failure detection apparatus and methodROLLS ROYCE PLC·Filed 2016·Granted Sep 25, 2018·2 cites·8 claims
- 0477US9459320B2Fault detection in brushless excitersROLLS ROYCE PLC·Filed 2014·Granted Oct 4, 2016·4 cites·13 claims
- 0571US9998062B2Axial flux permanent magnet machineROLLS ROYCE PLC·Filed 2017·Granted Jun 12, 2018·1 cites·11 claims
- 0669US9035689B2Thermal controller for semiconductor switching power devicesROLLS ROYCE PLC·Filed 2014·Granted May 19, 2015·4 cites·2 claims
- 0766US2025362357A1Power electronics converter assessmentROLLS ROYCE PLC·Filed 2025·Application pending·0 cites
- 0866US2025379509A1Monitoring health of a power converterROLLS ROYCE DEUTSCHLAND LTD & CO KG·Filed 2025·Application pending·0 cites
- 0962US10509078B2Assessment methodROLLS ROYCE PLC·Filed 2015·Granted Dec 17, 2019·1 cites·24 claims
- 1062US9910083B2Rectifier diode fault detection in brushless excitersROLLS ROYCE PLC·Filed 2014·Granted Mar 6, 2018·1 cites·17 claims
- 1160US2025361906A1Bearing fault detectionROLLS ROYCE PLC·Filed 2025·Application pending·0 cites
- 1260US2025058669A1Methods, systems, battery, charging stationROLLS ROYCE PLC·Filed 2024·Application pending·0 cites
- 1358US2025244406A1Fault detection in an electrical power systemROLLS ROYCE PLC·Filed 2025·Application pending·0 cites
- 1458US2024217353A1Data logging and transmission device for an electric aircraftROLLS ROYCE PLC·Filed 2023·Application pending·0 cites
- 1556US2025244411A1Multiphase electrical machine condition monitoringROLLS ROYCE PLC·Filed 2025·Application pending·0 cites
- 1655US10725107B2Brushless synchronous generator stator winding faultROLLS ROYCE PLC·Filed 2017·Granted Jul 28, 2020·0 cites·17 claims
- 1754US2025035714A1Power electronics converterROLLS ROYCE PLC·Filed 2024·Application pending·0 cites
- 1853US2024217378A1Data logging device for an electric aircraftROLLS ROYCE PLC·Filed 2023·Application pending·0 cites
- 1950US2024192263A1Method of monitoring a health state of a power semiconductor deviceROLLS ROYCE PLC·Filed 2023·Application pending·0 cites
- 2050US2025244206A1Electrical machine monitoringROLLS ROYCE PLC·Filed 2025·Application pending·0 cites
- 2150US2025327879A1Monitoring health of capacitor of power converterROLLS ROYCE DEUTSCHLAND LTD & CO KG·Filed 2025·Application pending·0 cites
- 2249US2025286483A1Detecting rotor demagnetizationROLLS ROYCE PLC·Filed 2025·Application pending·0 cites
- 2344US9964600B2Open switch fault detection and identification in a two-level voltage source power converterROLLS ROYCE PLC·Filed 2016·Granted May 8, 2018·0 cites·15 claims
- 2443US10338143B2Method and apparatus for diagnosing a fault condition in an electric machineROLLS ROYCE PLC·Filed 2017·Granted Jul 2, 2019·0 cites·20 claims
- 2534US2015346066A1Asset Condition MonitoringROLLS ROYCE PLC·Filed 2015·Application pending·0 cites
- 2632US2016266208A1Fault detection and diagnosis in an induction motorROLLS ROYCE PLC·Filed 2016·Application pending·0 cites
- 2731US2016216334A1Fault detection and diagnosisROLLS ROYCE PLC·Filed 2016·Application pending·0 cites
- 2829US2017170715A1Method of controlling an inverterROLLS ROYCE PLC·Filed 2016·Application pending·0 cites
- 2928US2016315558A1Inverter control methodROLLS ROYCE PLC·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →