Thomas Kelch

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Lehrte, DE

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Patents Grantslast 30 patents

Information Patent Grant
Phase estimation from rotating sensors to get a toolface
- Patent number 9,062,497
- Issue date Jun 23, 2015
- Baker Hughes Incorporated
- Ingolf Wassermann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling assembly with steering unit integrated in drilling motor
- Patent number 8,689,905
- Issue date Apr 8, 2014
- Baker Hughes Incorporated
- Sven Krueger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for downlink communication using dynamic thres...
- Patent number 7,983,113
- Issue date Jul 19, 2011
- Baker Hughes Incorporated
- Sven Krueger
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Drilling Assembly with a Steering Unit
- Publication number 20110120775
- Publication date May 26, 2011
- BAKER HUGHES INCORPORATED
- Sven Krueger
- E21 - EARTH DRILLING MINING
Information Patent Application
Phase Estimation From Rotating Sensors To Get a Toolface
- Publication number 20100187008
- Publication date Jul 29, 2010
- BAKER HUGHES INCORPORATED
- Ingolf Wassermann
- E21 - EARTH DRILLING MINING
Information Patent Application
Phase Estimation From Rotating Sensors To Get a Toolface
- Publication number 20100101860
- Publication date Apr 29, 2010
- BAKER HUGHES INCORPORATED
- Ingolf Wassermann
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and Apparatus for Downlink Communication Using Dynamic Thres...
- Publication number 20080007423
- Publication date Jan 10, 2008
- BAKER HUGHES INCORPORATED
- Sven Krueger
- E21 - EARTH DRILLING MINING