Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836963 | Process for production of conical filter elements | Ralf Wnuk, Norbert Lang | 2005-01-04 |
| 6579348 | Method for producing a sealing connection | Ralf Wnuk, Norbert Lang, Jurgen Hausdorf | 2003-06-17 |
| 6309798 | Lithographical process for production of nanostructures on surfaces | Manfred T. Reetz, Gunter Dumpich, Jens Lohau | 2001-10-30 |
| 5319971 | Measuring element for determining a flow rate of a flowing medium | Bernd Osswald, Thomas Schwegel | 1994-06-14 |
| 5314122 | Fuel injection valve | — | 1994-05-24 |