Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11414939 | Washpipe system | Paul Mario Masini | 2022-08-16 |
| 7475914 | Rotary union for directing a heat exchange fluid | Zbigniew Kubala, Paul Mario Masini | 2009-01-13 |
| 5454572 | Mechanical end face seal system | — | 1995-10-03 |
| 4768790 | Mechanical face seal having centering means | James P. Netzel | 1988-09-06 |