Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9077156 | Spark plug | — | 2015-07-07 |
| 8143772 | Spark plug comprising a ground electrode support | — | 2012-03-27 |
| 7615914 | Spark plug of an internal combustion engine | Christoph Egger, Johann Klausner, Friedrich Gruber | 2009-11-10 |
| 7408293 | Spark plug including ground elcetrode carrier casing | Christoph Egger | 2008-08-05 |
| 7105991 | Spark plug with sealing ring around center electrode | Christoph Egger | 2006-09-12 |
| 6992426 | Spark plug of an internal combustion engine | Christoph Egger | 2006-01-31 |