Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7188792 | Refiner rotor assembly with a hub having flow-through ports | — | 2007-03-13 |
| 5914048 | Adjustable control valve system for rotating disc filter and method of operating the system | — | 1999-06-22 |
| 5529319 | V-notch seal for non-flooded zone of disc filter valve | Frank John Merchel, III | 1996-06-25 |
| 5213346 | Method and apparatus for sealing between two relatively articulable surfaces | William Frederick Thomson | 1993-05-25 |