Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852654 | Wireline hydraulic isolation packer system | Robert K. Buckner, Donald E. Ritchie | 1989-08-01 |
| 4749036 | Dual bore well treating tool | — | 1988-06-07 |
| 4700782 | Flow control valve for use in oil and gas wells and the like | — | 1987-10-20 |
| 4649995 | Well treating apparatus | — | 1987-03-17 |
| 4508173 | Flow control valve for use on oil and gas wells or the like | — | 1985-04-02 |
| 4387767 | Subsurface safety valve system with hydraulic packer | — | 1983-06-14 |