Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9429100 | Cooling duct piston and method for producing the same | Hermann Pfeifer, Wolfgang Rehm, Karl Weisskopf | 2016-08-30 |
| 8820288 | Steel piston for internal combustion engines | Hermann Pfeifer, Wolfgang Rehm, Karl Weisskopf | 2014-09-02 |