David R. Mefford

Follow

Person

The Woodlands, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Valve, actuator and control system therefor
- Patent number 7,300,035
- Issue date Nov 27, 2007
- Cameron International Corporation
- Albert S. Davis
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Valve, actuator and control system therefor
- Patent number 7,021,602
- Issue date Apr 4, 2006
- Cooper Cameron Corporation
- Albert S. Davis
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Valve, actuator and control system therefor
- Patent number 6,986,499
- Issue date Jan 17, 2006
- Cooper Cameron Corporation
- Albert S. Davis
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Valve for hydrate forming environments
- Patent number 6,688,324
- Issue date Feb 10, 2004
- Cooper Cameron Corporation
- Loc G. Hoang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Stem seal pressure telltale
- Patent number 6,554,024
- Issue date Apr 29, 2003
- Cooper Cameron Corporation
- David R. Mefford
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Valve, actuator and control system therefor
- Publication number 20060022159
- Publication date Feb 2, 2006
- Cooper Cameron Corporation
- Albert S. Davis
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
Valve, actuator and control system therefor
- Publication number 20050279955
- Publication date Dec 22, 2005
- Cooper Cameron Corporation
- Albert S. Davis
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
VALVE, ACTUATOR AND CONTROL SYSTEM THEREFOR
- Publication number 20050218359
- Publication date Oct 6, 2005
- Albert S. Davis
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Application
Valve for hydrate forming environments
- Publication number 20030127141
- Publication date Jul 10, 2003
- Loc G. Hoang
- E21 - EARTH DRILLING MINING
Information Patent Application
Stem seal pressure telltale
- Publication number 20020096218
- Publication date Jul 25, 2002
- Cooper Cameron Corporation;
- David R. Mefford
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...