Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10577902 | Downhole plunger with spring-biased pads | — | 2020-03-03 |
| 9308608 | Magnetic installation and retrieval tool for fluid lift plungers | Cal Whibbs | 2016-04-12 |
| 8151690 | Plunger with annular exterior seals and method of installing annular seals on an exterior surface of a plunger | — | 2012-04-10 |
| 7401544 | Plunger with annular exterior seals and method of installing annular seals on an exterior surface of a plunger | — | 2008-07-22 |
| 7121335 | Plunger for gas wells | — | 2006-10-17 |