Higginbotham; James R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Higginbotham; James R..The latest application filed is for "downhole adjustable bent-angle mechanism for use with a motor for directional drilling".
- Higginbotham; James R. - The Woodlands TX
| Patent | Date |
|---|---|
| Downhole adjustable bent-angle mechanism for use with a motor for directional drilling Grant 7,909,117 - Van Steenwyk , et al. March 22, 2 | 2011-03-22 |
| Downhole adjustable bent-angle mechanism for use with a motor for directional drilling App 20100032212 - Van Steenwyk; Donald H. ; et al. | 2010-02-11 |
| Reduced-length measure while drilling apparatus using electric field short range data transmission App 20080034856 - Van Steenwyk; Donald H. ; et al. | 2008-02-14 |
| Hydraulic fluid coupling Grant 7,225,888 - Van Steenwyk , et al. June 5, 2 | 2007-06-05 |
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