Matthew L. Dock

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Stillwater, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Using a rotating inner member to drive a tool in a hollow outer member
- Patent number 7,347,283
- Issue date Mar 25, 2008
- The Charles Machine Works, Inc.
- Richard Felix Sharp
- E21 - EARTH DRILLING MINING
Information Patent Grant
Using a rotating inner member to drive a tool in a hollow outer member
- Patent number 7,025,152
- Issue date Apr 11, 2006
- The Charles Machine Works, Inc.
- Richard Felix Sharp
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary driven retrieval tool for horizontal directional drilling op...
- Patent number 6,848,506
- Issue date Feb 1, 2005
- The Charles Machine Works, Inc.
- Richard Felix Sharp
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary driven drilling hammer
- Patent number 6,761,231
- Issue date Jul 13, 2004
- The Charles Machines Works, Inc.
- Matthew L. Dock
- E21 - EARTH DRILLING MINING
Information Patent Grant
Using a rotating inner member to drive a tool in a hollow outer member
- Patent number 6,739,413
- Issue date May 25, 2004
- The Charles Machine Works, Inc.
- Richard Felix Sharp
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole generator for horizontal directional drilling
- Patent number 6,672,409
- Issue date Jan 6, 2004
- The Charles Machine Works, Inc.
- Matthew L. Dock
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Using a rotating inner member to drive a tool in a hollow outer member
- Publication number 20050056460
- Publication date Mar 17, 2005
- The Charles Machine Works, Inc.
- Richard Felix Sharp
- E21 - EARTH DRILLING MINING
Information Patent Application
Using a rotating inner member to drive a tool in a hollow outer member
- Publication number 20030132034
- Publication date Jul 17, 2003
- The Charles Machine Works, Inc.
- Richard Felix Sharp
- E21 - EARTH DRILLING MINING