Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9072992 | Fuel filter with filter recognition | Frank Mendel | 2015-07-07 |
| 7713185 | Impulse centrifuge for the purification of the lubricating oil from an internal combustion engine | Dieter Baumann, Karl Grosse Wiesmann | 2010-05-11 |
| 6050351 | Drilling hole system for horizontal boreholes | Josef Eckenfels, Herbert Haas, Christian Wartel, Dominique Pfeiffer | 2000-04-18 |
| 4948503 | Oil filter cover in combination with an oil filter cartridge | Dieter Baumann | 1990-08-14 |
| 4906365 | Filter for cleaning lubricating oil | Dieter Baumann | 1990-03-06 |