Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8028750 | Force balanced rotating pressure control device | William James Hughes, Murl Ray Richardson, Kurt D. Vandervort, Kenneth D. Young | 2011-10-04 |
| 7743823 | Force balanced rotating pressure control device | William James Hughes, Murl Ray Richardson, Kurt D. Vandervort, Kenneth D. Young | 2010-06-29 |
| 4750564 | Tubing resettable well packer | Charles Leonard Wright, II | 1988-06-14 |