Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5332234 | Sealing arrangement | Martin Granfmuller | 1994-07-26 |
| 5018749 | Slide ring seal | — | 1991-05-28 |
| 4709930 | Shaft and sealing ring | — | 1987-12-01 |
| 4695063 | Radial shaft seal ring with backfeed ribs and damming ribs | Wolfgang Schmitt | 1987-09-22 |
| 4546985 | Lip seal with channeled and non-channeled portions | — | 1985-10-15 |
| 4428587 | Seal ring with channel for radially accelerating medium to be sealed | — | 1984-01-31 |
| 4304414 | Pressure-balanced packing | — | 1981-12-08 |
| 4277072 | Seal for the gap between a revolving shaft and the bore of a housing against a mixture of a liquid and a gas | — | 1981-07-07 |
| 4240643 | Annular seal | Bernd-Dietmar Becker, Adam Helfrich, Gottfried Jung | 1980-12-23 |
| 4202555 | Sealing ring | Bernd-Dietmar Becker, Adam Helfrich, Gottfried Jung | 1980-05-13 |
| 4194748 | Radial shaft sealing ring | Helmut Niklas | 1980-03-25 |