Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4724746 | Tilting bearing pads for improved lubrication | — | 1988-02-16 |
| 4621386 | Scraper rings | — | 1986-11-11 |
| 4622463 | Two-pulse tracer ejection method for determining injection profiles in wells | — | 1986-11-11 |
| 4561502 | Oil recovery process using a polyacrylamide gel | Charles J. Norton, David O. Falk | 1985-12-31 |
| 4548272 | Oil recovery process using a polymer gel | Charles J. Norton, David O. Falk | 1985-10-22 |
| 4473117 | Method and apparatus for obtaining production or injection profiles | — | 1984-09-25 |
| 4387770 | Process for selective injection into a subterranean formation | — | 1983-06-14 |
| 4360208 | Segmented annular lip seal | Robert G. Baker | 1982-11-23 |