Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6890434 | Backflush filter, in particular for filtering lubricant oil | Willi Rott, Heinz Sindorf, Rudiger Lennartz, Sivagnanam Kandiah | 2005-05-10 |
| 6006431 | Process for producing a substantially tubular housing substantially closed on all sides | Erhard Dorner | 1999-12-28 |