Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9528357 | Protector for electrical submersible pumps | Michael Hui Du, Lawrence C. Lee, Arunkumar Arumugam | 2016-12-27 |
| 7913554 | Method and apparatus for balanced pressure sampling | Simon Bittleston, Jonathan W. Brown, Julian Pop, Christopher S. Del Campo | 2011-03-29 |
| 7878243 | Method and apparatus for sampling high viscosity formation fluids | Anthony Robert Holmes Goodwin, Peter S. Hegeman, Julian Pop, Gary John Tustin, Raymond V. Nold, III +3 more | 2011-02-01 |
| 7806670 | Protector for electrical submersible pumps | Michael Hui Du, Lawrence C. Lee, Arunkumar Arumugam | 2010-10-05 |
| 7565835 | Method and apparatus for balanced pressure sampling | Simon Bittleston, Jonathan W. Brown, Julian Pop, Christopher S. Del Campo | 2009-07-28 |
| 7293715 | Marking system and method | Saad Bargach, Lennox Reid, Soraya S. Betancourt, Oliver C. Mullins, Christopher S. Del Campo | 2007-11-13 |
| 7264057 | Subsea intervention | Gary L. Rytlewski, Thomas H. Zimmerman, Peter A. Goode, John A. Kerr, Alan Christie | 2007-09-04 |
| 7217107 | Protector for electrical submersible pumps | Michael Hui Du, Lawrence C. Lee, Arunkumar Arumugam | 2007-05-15 |
| 6981853 | Protector for electrical submersible pumps | Michael Hui Du, Lawrence C. Lee, Arunkumar Arumugam | 2006-01-03 |
| 6811382 | Integrated pumping system for use in pumping a variety of fluids | Steven E. Buchanan, Grigory Arauz, Kenneth L. Havlinek, Lawrence C. Lee, W. Keith Russell +2 more | 2004-11-02 |
| 6763889 | Subsea intervention | Gary L. Rytlewski, Thomas H. Zimmerman, Peter A. Goode, John A. Kerr, Alan Christie | 2004-07-20 |
| 6688860 | Protector for electrical submersible pumps | Michael Hui Du, Lawrence C. Lee, Arunkumar Arumugam | 2004-02-10 |
| 5883583 | Imaging a completion string in a wellbore | — | 1999-03-16 |
| 5310013 | Core marking system for a sidewall coring tool | David O. Turner | 1994-05-10 |