Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11448048 | Recycle loop for a gas lift plunger | — | 2022-09-20 |
| 10544659 | Recycle loop for a gas lift plunger | — | 2020-01-28 |
| 10544660 | Recycle loop for a gas lift plunger | — | 2020-01-28 |
| 9932805 | Pad-type plunger | James Allen Jefferies | 2018-04-03 |
| 9790772 | Plunger lift apparatus | James Allen Jefferies | 2017-10-17 |
| 9689242 | Dart plunger | James Allen Jefferies | 2017-06-27 |
| 9683430 | Gas-lift plunger | — | 2017-06-20 |
| D767737 | Gas lift plunger with curved, undercut grooves | — | 2016-09-27 |
| 9109424 | Gas lift plunger | James Allen Jefferies | 2015-08-18 |
| 9068443 | Plunger lift apparatus | James Allen Jefferies | 2015-06-30 |