Leroy W. Ledgerwood, III

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Cypress, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Discrete element modeling of rock destruction under high pressure c...
- Patent number 8,150,667
- Issue date Apr 3, 2012
- Baker Hughes Incorporated
- Leroy W. Ledgerwood, III
- E21 - EARTH DRILLING MINING
Information Patent Grant
Detritus flow management features for drag bit cutters and bits so...
- Patent number 8,025,113
- Issue date Sep 27, 2011
- Baker Hughes Incorporated
- Leroy W. Ledgerwood, III
- E21 - EARTH DRILLING MINING
Information Patent Grant
System, method, and apparatus for predicting tracking by roller con...
- Patent number 8,002,053
- Issue date Aug 23, 2011
- Baker Hughes Incorporated
- Greg Ricks
- E21 - EARTH DRILLING MINING
Information Patent Grant
Optimizing drilling performance using a selected drilling fluid
- Patent number 7,926,588
- Issue date Apr 19, 2011
- Terratek Inc.
- Arnis Judzis
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for collecting fluid samples downhole
- Patent number 7,497,256
- Issue date Mar 3, 2009
- Baker Hughes Incorporated
- Rocco DiFoggio
- E21 - EARTH DRILLING MINING
Information Patent Grant
Increased projection for compacts of a rolling cone drill bit
- Patent number 7,011,170
- Issue date Mar 14, 2006
- Baker Hughes Incorporated
- Leroy W. Ledgerwood, III
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
DETRITUS FLOW MANAGEMENT FEATURES FOR DRAG BIT CUTTERS AND BITS SO...
- Publication number 20110297452
- Publication date Dec 8, 2011
- BAKER HUGHES INCORPORATED
- Leroy W. Ledgerwood, III
- E21 - EARTH DRILLING MINING
Information Patent Application
OPTIMIZING DRILLING PERFORMANCE USING A SELECTED DRILLING FLUID
- Publication number 20090152007
- Publication date Jun 18, 2009
- TERRA TEK, INC.
- Arnis Judzis
- E21 - EARTH DRILLING MINING
Information Patent Application
DISCRETE ELEMENT MODELING OF ROCK DESTRUCTION UNDER HIGH PRESSURE C...
- Publication number 20090132218
- Publication date May 21, 2009
- Leroy W. Ledgerwood, III
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEM, METHOD, AND APPARATUS FOR PREDICTING TRACKING BY ROLLER CON...
- Publication number 20090044985
- Publication date Feb 19, 2009
- BAKER HUGHES INCORPORATED
- Greg Ricks
- E21 - EARTH DRILLING MINING