Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5967525 | Drive mechanism for a rotating mechanical split seal and method of assembly thereof | Jan E. Sandgren | 1999-10-19 |
| 5913521 | Rotating seal ring component kit for a mechanical split seal | Jan E. Sangren | 1999-06-22 |
| 5348402 | Bearing with specially shaped lands | — | 1994-09-20 |
| 5199798 | Bearing with tapered lands | — | 1993-04-06 |