LETOURNEAU TECHNOLOGIES DRILLING SYSTEMS, INC

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Organization

HOUSTON, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Top drive drilling system and other applications using a low speed...
- Patent number 8,047,306
- Issue date Nov 1, 2011
- LeTourneau Technologies Drilling Systems, Inc.
- Kevin R Williams
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

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Patents Applicationslast 30 patents

Information Patent Application
Top drive drilling system and other applications using a low speed...
- Publication number 20090183923
- Publication date Jul 23, 2009
- LETOURNEAU TECHNOLOGIES DRILLING SYSTEMS, INC.
- Kevin R. Williams
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
ADAPTIVE GATE DRIVE FOR SWITCHING DEVICES OF INVERTER
- Publication number 20080007318
- Publication date Jan 10, 2008
- LETOURNEAU TECHNOLOGIES DRILLING SYSTEMS, INC.
- Gary PACE
- H03 - BASIC ELECTRONIC CIRCUITRY