Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11437787 | Spark plug housing including corrosion protection on the inner side and spark plug and manufacturing method | Bernhard Gries, Christoph Roland Hoelzl, Gabriel Petersen, Herbert Noelscher, Martina Bubrin +4 more | 2022-09-06 |
| 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 Stahl, Juergen Hackenberg, Silvan Hippchen | 2022-02-08 |