Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7600425 | Float for a fill level sensor | Sigrid Heimann, Dieter Keller, Bernd Pauer, Bettina Seibert | 2009-10-13 |
| 6691888 | Fuel tank | Bing Sun | 2004-02-17 |
| 6491180 | Fuel tank | Markus Distelhoff, Karl Eck, Wilfried Fröhlich, Dieter Keller, Justus Klöker +4 more | 2002-12-10 |
| 6409040 | Fuel tank for a motor vehicle | Markus Distelhoff, Karl Eck, Winfried Fröhlich, Dieter Keller, Justus Klöker +4 more | 2002-06-25 |
| 6395215 | Method of producing a plastic component and fuel tank for a motor vehicle | Markus Distelhoff, Karl Eck, Winfried Fröhlich, Dieter Keller, Justus Klöker +4 more | 2002-05-28 |
| 6045766 | Process for reducing residual hydrogen fluoride gases in a fluorinated plastic tank | — | 2000-04-04 |