Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8863730 | HF Ignition Device | Tom Achstaetter, Gerd Braeuchle, Thomas Giffels, Felizitas Heilmann | 2014-10-21 |
| 6121577 | Electrically heatable glow plug with oxygen getter material | Hansjoerg Jakobi, Roland Klak, Karl-Heinz Thiemann | 2000-09-19 |
| 6043459 | Electrically heatable glow plug with oxygen getter material | Hansjoerg Jakobi, Roland Klak, Karl-Heinz Thiemann | 2000-03-28 |
| 5645742 | Glow plug with zirconium dioxide coating and nicraly adhesive layer | Gabriele Schmidt, Karl-Heinz Schmidt | 1997-07-08 |
| 5626781 | Glow plug with protective coating | Gabriele Schmidt, Karl-Heinz Schmidt | 1997-05-06 |