Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7543660 | Roller cone drill bit with debris diverter plugs | Michael B. Crawford, Mark E. Williams, William C. Saxman, Mark P. Blackman | 2009-06-09 |
| 7484572 | Roller cone drill bit with debris flow paths through associated support arms | Mark P. Blackman, Mark E. Williams, William C. Saxman, Michael B. Crawford, William W. King +1 more | 2009-02-03 |
| 7357196 | Method and system for predicting performance of a drilling system for a given formation | William A. Goldman, Oliver Matthews, William W. King, Gary E. Weaver | 2008-04-15 |
| 7261167 | Method and system for predicting performance of a drilling system for a given formation | William A. Goldman, Oliver Matthews, William W. King, Gary E. Weaver | 2007-08-28 |
| 7032689 | Method and system for predicting performance of a drilling system of a given formation | William A. Goldman, Oliver Matthews, William W. King, Gary E. Weaver | 2006-04-25 |
| 6408953 | Method and system for predicting performance of a drilling system for a given formation | William A. Goldman, Oliver Matthews, William W. King, Gary E. Weaver | 2002-06-25 |