Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9657556 | Metal bellows with guide rings | Ryan P. Semple | 2017-05-23 |
| 9631725 | ESP mechanical seal lubrication | Ryan P. Semple, Arturo Luis Poretti | 2017-04-25 |
| 9528368 | Metal bellows condition monitoring system | Ryan P. Semple | 2016-12-27 |
| 4772656 | Volatile aromatic barrier for polyolefin containers | — | 1988-09-20 |