Issued Patents 2018
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10047589 | Automatic release valve for a bumper spring | Mitchell A. Boyd | 2018-08-14 |
| 9963957 | Clutch assembly for bypass plungers | Mitchell A. Boyd | 2018-05-08 |
| 9957784 | Latch for a ball and sleeve plunger | Mitchell A. Boyd | 2018-05-01 |
| 9957785 | Unitary body bypass plunger and valve cage | Mitchell A. Boyd | 2018-05-01 |
| 9951591 | Bypass plunger | — | 2018-04-24 |
| 9915133 | Unibody bypass plunger with centralized helix and crimple feature | Mitchell A. Boyd | 2018-03-13 |
| 9869401 | Split bobbin clutch for bypass plungers | Mitchell A. Boyd | 2018-01-16 |