Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4730676 | Downhole foam generator | Vincent G. Reidenbach | 1988-03-15 |
| 4700777 | Gravel packing apparatus and method | — | 1987-10-20 |
| 4384615 | Method of mixing fluids in a well bore | — | 1983-05-24 |
| 4361187 | Downhole mixing valve | — | 1982-11-30 |
| 4315543 | Seal system for wellhead isolation tool diffuser | Richard L. Giroux | 1982-02-16 |