Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6109368 | Method and system for predicting performance of a drilling system for a given formation | William A. Goldman, Oliver Mathews, Kambiz Arab, William W. King, Kelley M. Murrell +1 more | 2000-08-29 |
| 5794720 | Method of assaying downhole occurrences and conditions | William A. Goldman | 1998-08-18 |
| 5767399 | Method of assaying compressive strength of rock | William A. Goldman | 1998-06-16 |
| 5704436 | Method of regulating drilling conditions applied to a well bit | William A. Goldman | 1998-01-06 |
| 5655609 | Extension and retraction mechanism for subsurface drilling equipment | David Allen Brown | 1997-08-12 |
| 4508606 | Process for treating polymer surfaces to reduce their friction resistance characteristics when in contact with non-polar liquid, and resulting products | Joseph D. Andrade, Philip M. Triolo, Frank J. Miller | 1985-04-02 |