Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10280708 | Flow control valve with balanced plunger | Justin Lamb, John Algeroy, Hy Phan, Curtis Ardoin | 2019-05-07 |
| 9528357 | Protector for electrical submersible pumps | Michael Hui Du, Lawrence C. Lee, Ashley C. Kishino | 2016-12-27 |
| 8807966 | Pump motor protector with redundant shaft seal | Michael Hui Du, Arthur I. Watson, David Rowatt, Chad Bremner, David Garrett +2 more | 2014-08-19 |
| 7967075 | High angle water flood kickover tool | Tyson Messick, Steven L. Anyan, Kenneth C. Burnett, III | 2011-06-28 |
| 7903915 | Cable with intermediate member disconnection sections | Ramaswamy Meyyappan, Michael Alff | 2011-03-08 |
| 7886835 | High angle water flood kickover tool | Tyson Messick, Steven L. Anyan, Kenneth C. Burnett, III | 2011-02-15 |
| 7806670 | Protector for electrical submersible pumps | Michael Hui Du, Lawrence C. Lee, Ashley C. Kishino | 2010-10-05 |
| 7217107 | Protector for electrical submersible pumps | Michael Hui Du, Lawrence C. Lee, Ashley C. Kishino | 2007-05-15 |
| 7182584 | Motor protector | Michael Hui Du, Arthur I. Watson | 2007-02-27 |
| 6981853 | Protector for electrical submersible pumps | Michael Hui Du, Lawrence C. Lee, Ashley C. Kishino | 2006-01-03 |
| 6688860 | Protector for electrical submersible pumps | Michael Hui Du, Lawrence C. Lee, Ashley C. Kishino | 2004-02-10 |