Rolf Carl Pessier

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Galveston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Modular hybrid drill bit
- Patent number 8,356,398
- Issue date Jan 22, 2013
- Baker Hughes Incorporated
- Ron D. McCormick
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Hybrid drill bit with fixed cutters as the sole cutting elements in...
- Patent number 7,841,426
- Issue date Nov 30, 2010
- Baker Hughes Incorporated
- Anton F. Zahradnik
- E21 - EARTH DRILLING MINING
Information Patent Grant
High density row on roller cone bit
- Patent number 7,621,345
- Issue date Nov 24, 2009
- Baker Hughes Incorporated
- Karlos B. Cepeda
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Hybrid drill bit with fixed cutters as the sole cutting elements in...
- Publication number 20080296068
- Publication date Dec 4, 2008
- Baker Hughes Incorporated
- Anton F. Zahradnik
- E21 - EARTH DRILLING MINING
Information Patent Application
High Density Row on Roller Cone Bit
- Publication number 20070227781
- Publication date Oct 4, 2007
- Karlos B. Cepeda
- E21 - EARTH DRILLING MINING