Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6921080 | Shaft sealing ring | — | 2005-07-26 |
| 6860486 | Shaft sealing ring | Gunther Hacker, Wolfgang Schmitt | 2005-03-01 |
| 6079715 | Rotary shaft seal having a PTFE seal lip and a method and apparatus of manufacturing same | Siegfried Dunse | 2000-06-27 |
| 5957100 | Method for manufacturing a cylinder head cover for a combustion engine and a cylinder head cover | Ralf Frohwerk, Heike Hohn, Klaus Seifert | 1999-09-28 |
| 5544895 | Shaft packing | Steffen Heine, Heiko Schumacher | 1996-08-13 |
| 5462287 | Method for the manufacture of a shaft seal | Jurgen Hering, Gerd Upper | 1995-10-31 |
| 5462288 | Shaft seal assembly | Jurgen Hering, Gerd Upper | 1995-10-31 |
| 4696657 | Elastic shaft coupling for transmission of torque between shafts | Hans Kirch, Volkmar Otto | 1987-09-29 |