Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6158960 | Propeller hub with self-adjusting pitch mechanism | — | 2000-12-12 |
| 5961122 | Split mechanical face seal and method of assembly thereof | — | 1999-10-05 |
| 5562294 | Backup seal for axial face seal | — | 1996-10-08 |
| 5556110 | Shroud enclosure for brittle mechanical face materials | Milton Cook | 1996-09-17 |
| 5076589 | Mechanical seal | — | 1991-12-31 |
| 4648605 | Mechanical seal assembly | — | 1987-03-10 |
| 4586719 | Mechanical seal | Winfred J. Wiese, Lawrence I. Takumi, Clark S. Boster, Gordhan K. Vaghasia, Jerel E. Ellison +1 more | 1986-05-06 |
| 4448428 | Mechanical seal assembly | — | 1984-05-15 |
| 4418921 | Mechanical seal | Winfred J. Wiese | 1983-12-06 |