Inventor · disambiguated record
David R. Mefford
Also filed as: MEFFORD DAVID R · MEFFORD DAVID RHEA
6 granted patents·110 citations·filing 1988–2005
84Inventor score
Top patents by PatentIndex Score
6 records- 0189US7021602B2Valve, actuator and control system thereforCOOPER CAMERON CORP·Filed 2005·Granted Apr 4, 2006·20 cites·20 claims
- 0285US4827963AHeat sensitive shaft locking apparatus and valve using sameCAMERON IRON WORKS INC·Filed 1988·Granted May 9, 1989·43 cites·7 claims
- 0378US6554024B2Stem seal pressure telltaleCOOPER CAMERON CORP·Filed 2001·Granted Apr 29, 2003·23 cites·17 claims
- 0470US6688324B2Valve for hydrate forming environmentsCOOPER CAMERON CORP·Filed 2002·Granted Feb 10, 2004·15 cites·12 claims
- 0558US7300035B2Valve, actuator and control system thereforCAMERON INT CORP·Filed 2005·Granted Nov 27, 2007·3 cites·24 claims
- 0652US6986499B2Valve, actuator and control system thereforCOOPER CAMERON CORP·Filed 2004·Granted Jan 17, 2006·6 cites·33 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →