Mark Dwayne Boyd

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Lake Charles, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Dual entry apparatus for a subterranean borehole
- Patent number 7,533,732
- Issue date May 19, 2009
- Smith International, Inc.
- Mark Dwayne Boyd
- E21 - EARTH DRILLING MINING
Information Patent Grant
Frac head including a mixing chamber
- Patent number 7,478,673
- Issue date Jan 20, 2009
- Boyd's Bit Service, Inc.
- Mark Dwayne Boyd
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Wellhead isolation tool including an abrasive cleaning ring
- Publication number 20080257541
- Publication date Oct 23, 2008
- Boyd's Bit Service, Inc.
- Mark Dwayne Boyd
- E21 - EARTH DRILLING MINING
Information Patent Application
Frac head including a mixing chamber
- Publication number 20080083530
- Publication date Apr 10, 2008
- Boyd's Bit Service, Inc.
- Mark Dwayne Boyd
- E21 - EARTH DRILLING MINING
Information Patent Application
Dual entry apparatus for a subterranean borehole
- Publication number 20070158078
- Publication date Jul 12, 2007
- Boyd's Bit Service, Inc.
- Mark Dwayne Boyd
- E21 - EARTH DRILLING MINING