Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143314 | Methods and apparatus to load a valve packing | Trenton Frank Jackson | 2021-10-12 |
| 10969030 | Bushing having a shaft seal | Trenton Frank Jackson | 2021-04-06 |
| 10914387 | Rotary control valve having a clamped valve seat | Robert M. Meloy | 2021-02-09 |