Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10238998 | Backflush filter and filter insert for the latter | Karsten Cartarius, Andreas Finsel | 2019-03-26 |
| 10035085 | Backflushing filter and filter insert for the same | Karsten Cartarius, Andreas Finsel | 2018-07-31 |
| 7250109 | Back-wash filter | Rudiger Lennartz, Heinz Sindorf | 2007-07-31 |
| 6890434 | Backflush filter, in particular for filtering lubricant oil | Wilhelm Vieten, Heinz Sindorf, Rudiger Lennartz, Sivagnanam Kandiah | 2005-05-10 |
| 4518501 | Flush-back filter | Rudiger Lennartz, Heinz Sindorf | 1985-05-21 |