Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8479697 | Glow plug having coking-optimized design | Karsten Volland, Bernd Last, Hans Houben, Frank Pechhold, Christian Pottiez +2 more | 2013-07-09 |
| 7337657 | Pressure glow plug for a diesel engine | Michael Haussner, Ulf Wyrwich, Hans Houben, Frank Pechhold, Heinz-Georg Schmitz +5 more | 2008-03-04 |
| 6064144 | Spark plug for an internal combustion engine and process for its manufacture | Harald Knoll, Erwin Schneck, Werner Niessner, Heinz Ambacher | 2000-05-16 |