Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5593164 | Ferrofluidic seal centering ring | William B. Mraz, Thomas J. Black, Jr., Paul E. McMahan, David T. Mooney, Robert C. Watkins | 1997-01-14 |
| 5487550 | Secondary gas/liquid mechanical seal assembly | Richard F. Salant, Itzhak Green, Oley Giles | 1996-01-30 |
| 5193974 | Dynamic pressure recovery seal | — | 1993-03-16 |
| 4971337 | Mechanical seal assembly | — | 1990-11-20 |
| 4804194 | Mechanical seal lubrication improvement | Robert S. Wentworth, by Benning Wentworth, executor | 1989-02-14 |