Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6843117 | Method and apparatus for determining downhole pressures during a drilling operation | Andrew Kurkjian, Angus J. Melbourne | 2005-01-18 |
| 6726410 | Hub assembly | — | 2004-04-27 |
| 6695547 | Tire rasp blade and assembly | — | 2004-02-24 |
| 6614229 | System and method for monitoring a reservoir and placing a borehole using a modified tubular | Brian Clark, Martin G. Luling, Mark Frey, Dhananjay Ramaswamy | 2003-09-02 |
| 6577244 | Method and apparatus for downhole signal communication and measurement through a metal tubular | Brian Clark, John F. Hunka, Mark Frey, David L. Smith, Dhananjay Ramaswamy +1 more | 2003-06-10 |
| 6554547 | Tire rasp blade and method of use | — | 2003-04-29 |