Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9249634 | Method for lifting a tubular from a well | Jimmy Duane Streety, Jack Allen | 2016-02-02 |
| 9133669 | System for removing a tubular | Jimmy Duane Streety, Jack Allen | 2015-09-15 |
| 9038712 | Tubular lifting apparatus | Jimmy Duane Streety, Jack Allen | 2015-05-26 |
| 8539976 | Back pressure valve with double barrier sealing | Doyle W. Rodgers | 2013-09-24 |
| 8522864 | Stripper blow out preventer for small diameter oil field tubing or small diameter polished rods | — | 2013-09-03 |
| 8109330 | Inline choke and angled choke for use with oil field equipment | — | 2012-02-07 |
| 4919459 | Metal-to-metal backseat lockdown screw | — | 1990-04-24 |