Jim L. Jacobsen

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Erie, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods for designing and fabricating earth-boring rotary drill bit...
- Patent number 7,866,413
- Issue date Jan 11, 2011
- Baker Hughes Incorporated
- Bruce Stauffer
- E21 - EARTH DRILLING MINING
Information Patent Grant
Long barrel inserts for earth-boring bit
- Patent number 6,443,246
- Issue date Sep 3, 2002
- Baker Hughes Incorporated
- Rudolf Carl Otto Pessier
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Methods for designing and fabricating earth-boring rotary drill bit...
- Publication number 20070240904
- Publication date Oct 18, 2007
- BAKER HUGHES INCORPORATED
- Bruce Stauffer
- E21 - EARTH DRILLING MINING