Assignee
WILLIAMS KEVIN R
US·19 granted patents·7 pending applications·264 citations·filing 2006–2024
Top patents by PatentIndex Score
26 records- 0198US9065300B2Dual fuel system and method of supplying power to loads of a drilling rigWILLIAMS KEVIN R·Filed 2012·Granted Jun 23, 2015·26 cites·15 claims
- 0298US7633248B1Flywheel-based energy storage on a heave-compensating drawworksWILLIAMS KEVIN R·Filed 2007·Granted Dec 15, 2009·54 cites·8 claims
- 0394US9197071B2Energy storage system for supplying power to loads of a drilling rigWILLIAMS KEVIN R·Filed 2012·Granted Nov 24, 2015·27 cites·19 claims
- 0493US7654355B1Flywheel system for use with electric wheels in a hybrid vehicleWILLIAMS KEVIN R·Filed 2006·Granted Feb 2, 2010·22 cites·16 claims
- 0592US8446037B2Energy storage system for peak-shaving of drilling rig power usageWILLIAMS KEVIN R·Filed 2010·Granted May 21, 2013·23 cites·8 claims
- 0692US7851962B1Induction motor utilizing dual stators and a double squirrel cage motorWILLIAMS KEVIN R·Filed 2008·Granted Dec 14, 2010·21 cites·20 claims
- 0791US9059587B2System and method of supplying power to loads of a drilling rigWILLIAMS KEVIN R·Filed 2012·Granted Jun 16, 2015·20 cites·15 claims
- 0889US7552787B1Energy recoverable wheel motorWILLIAMS KEVIN R·Filed 2006·Granted Jun 30, 2009·31 cites·6 claims
- 0987US7923946B2Flywheel-based energy storage on a heave-compensating drawworksWILLIAMS KEVIN R·Filed 2009·Granted Apr 12, 2011·13 cites·7 claims
- 1082US9022358B2Two speed direct drive drawworksWILLIAMS KEVIN R·Filed 2011·Granted May 5, 2015·4 cites·20 claims
- 1179US10288041B2Renewable energy system having a distributed energy storage systems and photovoltaic cogenerationWILLIAMS KEVIN R·Filed 2017·Granted May 14, 2019·3 cites·10 claims
- 1277US10247688B2Moisture detecting system and method for use in an IGBT or a MOSFETWILLIAMS KEVIN R·Filed 2017·Granted Apr 2, 2019·1 cites·5 claims
- 1376US12451766B2Axial gap wheel motor supported by auxiliary bearings in a series arrangementWILLIAMS KEVIN R·Filed 2023·Granted Oct 21, 2025·0 cites·19 claims
- 1476US9856719B1System for supplying power from the main powerhouse to a drill floor powerhouseWILLIAMS KEVIN R·Filed 2016·Granted Jan 2, 2018·2 cites·12 claims
- 1572US7282887B1Laser diode triggered soft start controller for a polyphase electric motorWILLIAMS KEVIN R·Filed 2006·Granted Oct 16, 2007·8 cites·21 claims
- 1669US8672059B2Permanent magnet direct drive drawworksWILLIAMS KEVIN R·Filed 2009·Granted Mar 18, 2014·4 cites·21 claims
- 1768US10959342B2Condensation resistant power semiconductor moduleWILLIAMS KEVIN R·Filed 2019·Granted Mar 23, 2021·1 cites·1 claims
- 1863US2025115115A1Capacitor-based on-wheel energy storage for a wheel motorWILLIAMS KEVIN R·Filed 2023·Application pending·0 cites
- 1962US2025074182A1Radial wheel motor supported on auxiliary bearings in a parallel arrangementWILLIAMS KEVIN R·Filed 2023·Application pending·0 cites
- 2059US2026031752A1Energy storage based dc volts boost for transient high-speed/high-torque operation of variable frequency drive controlled motorsWILLIAMS KEVIN R·Filed 2024·Application pending·0 cites
- 2157US8567529B2Permanent magnet direct drive top driveWILLIAMS KEVIN R·Filed 2009·Granted Oct 29, 2013·4 cites·18 claims
- 2257US2025074181A1Radial gap wheel motor supported on hub bearings in a parallel arrangementWILLIAMS KEVIN R·Filed 2023·Application pending·0 cites
- 2355US10044189B2System for supplying power from the main powerhouse to a drill floor powerhouseWILLIAMS KEVIN R·Filed 2017·Granted Aug 7, 2018·0 cites·13 claims
- 2452US2025330026A1Variable load continuously synchronized engine/generators with energy storage for large and dynamic loadsWILLIAMS KEVIN R·Filed 2024·Application pending·0 cites
- 2552US2011309315A1Two speed direct drive drawworksWILLIAMS KEVIN R·Filed 2010·Application pending·0 cites
- 2649US2010329905A1Permanent magnet direct drive mud pumpWILLIAMS KEVIN R·Filed 2009·Application pending·0 cites
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