Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11245251 | Spark plug housing including an electroplated or a chemically applied nickel-containing protective layer and a silicon-containing sealing layer, and a spark plug including this housing, and method for manufacturing this housing | Juergen Hackenberg, Silvan Hippchen, Tina Hirte | 2022-02-08 |
| 9381456 | Air filter | Timo Dirnberger, Ralf Dietz | 2016-07-05 |
| 7637974 | Active carbon coated filter element for preventing the leaking of hydrocarbons | Hans-Peter Scholl, Guenther Scholz, Heinz Daubner, Johann Rackerseder, Reinhold Lebherz +3 more | 2009-12-29 |
| 4437212 | Clasp for garments, in particular furs | Wilhelm Schuster, Wilhelm Wegner | 1984-03-20 |