Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6164376 | Triple action pumping system and method | Howard L. McKinzie | 2000-12-26 |
| 6142224 | Triple action pumping system with plunger valves | Howard L. McKinzie, Brock Watson | 2000-11-07 |
| 6131660 | Dual injection and lifting system using rod pump and an electric submersible pump (ESP) | Howard L. McKinzie, Michael R. Berry | 2000-10-17 |
| 6123149 | Dual injection and lifting system using an electrical submersible progressive cavity pump and an electrical submersible pump | Howard L. McKinzie, Kevin R. Bowlin | 2000-09-26 |
| 6116341 | Water injection pressurizer | Loren K. Barritt, Kristine H. Brindle, Howard L. McKinzie | 2000-09-12 |
| 6092600 | Dual injection and lifting system using a rod driven progressive cavity pump and an electrical submersible pump and associate a method | Howard L. McKinzie, Michael R. Berry | 2000-07-25 |
| 6092599 | Downhole oil and water separation system and method | Michael R. Berry, Howard L. McKinzie | 2000-07-25 |
| 6079491 | Dual injection and lifting system using a rod driven progressive cavity pump and an electrical submersible progressive cavity pump | Howard L. McKinzie | 2000-06-27 |
| 5915477 | Enhanced oil recovery technique | Howard L. McKinzie, Kevin R. Bowlin | 1999-06-29 |
| 5497832 | Dual action pumping system | Kevin R. Bowlin, Carlos W. Pardo | 1996-03-12 |