Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6446976 | Hydrodynamic face seal with grooved sealing dam for zero-leakage | Lionel A. Young | 2002-09-10 |
| 4643437 | Mechanical seal with automatic gap convergence control | Richard F. Salant, Peter Kay | 1987-02-17 |