Inventor · disambiguated record
Charles M. Tompkins
Also filed as: TOMPKINS CHARLES M · TOMPKINS CHARLES MARK
3 granted patents·2 pending applications·192 citations·filing 1996–2009
77Inventor score
Top patents by PatentIndex Score
5 records- 0194US5984260AElectrically driven actuator with failsafe featureBAKER HUGHES INC·Filed 1996·Granted Nov 16, 1999·92 cites·15 claims
- 0290US8393386B2Subsurface safety valve and method of actuationLAKE GARY B·Filed 2009·Granted Mar 12, 2013·21 cites·20 claims
- 0377US6269874B1Electro-hydraulic surface controlled subsurface safety valve actuatorBAKER HUGHES INC·Filed 1999·Granted Aug 7, 2001·79 cites·21 claims
- 0441US2008257548A1Methods and apparatus for monitoring components of downhole toolsBAKER HUGHES INC·Filed 2008·Application pending·0 cites
- 0537US2006157240A1Methods and apparatus for monitoring components of downhole toolsSHAW BRIAN S·Filed 2005·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Charles M. Tompkins 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 →