Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6595280 | Submersible well pumping system with an improved hydraulically actuated switching mechanism | — | 2003-07-22 |
| 6550535 | Apparatus and method for the downhole gravity separation of water and oil using a single submersible pump and an inline separator containing a control valve | — | 2003-04-22 |