Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4591167 | Slide ring seal with pre-contoured bellows | Karl vom Stein | 1986-05-27 |
| 4558872 | Slide ring seal assembly with novel compression spring | Karl vom Stein | 1985-12-17 |
| 4531483 | Lip sealing ring in an internal combustion engine | Hans Deuring | 1985-07-30 |
| 4436314 | Slide ring seal with spring to radially bias in opposite radial directions | — | 1984-03-13 |
| 4346684 | Valve seat ring | — | 1982-08-31 |