Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836611 | Method and apparatus for drilling and separating | — | 1989-06-06 |
| 4834783 | Rotary separator | — | 1989-05-30 |
| 4775487 | Rotating continuous separation system | — | 1988-10-04 |
| 4676810 | Revolving separator | David Wade Campbell | 1987-06-30 |
| 4557636 | Injection of solids into a high pressure slurry stream | Jeffrey L. Beck | 1985-12-10 |
| 4498819 | Multipoint slurry injection junction | — | 1985-02-12 |
| 4453864 | Injection of solids into a high pressure slurry stream | Jeffrey L. Beck | 1984-06-12 |