Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5158008 | Light plunger piston for internal combustion engines | Jurgen Ellermann | 1992-10-27 |
| 5081967 | Piston with separate head and skirt | Peter Kemnitz | 1992-01-21 |
| 5048398 | Single, light-weight and low friction light-metal piston for internal-combustion engines | Horst Pfeiffenberger, Jurgen Ellermann | 1991-09-17 |
| 4843698 | Process for the production of a cast piston upper part of a two-part piston | Hanspeter Wieland | 1989-07-04 |
| 4843952 | Low-height articulated piston with skirt-overhanging guide portions on head | — | 1989-07-04 |
| 4716817 | Piston, particularly for internal combustion engines | Eberhard Bubeck | 1988-01-05 |
| 4704950 | Plunger piston for internal combustion engines | Gotthard Stuska, Reiner Ulrich | 1987-11-10 |
| 4669366 | Aluminum plunger piston with thermal expansion regulating strip, for internal combustion engines | Jurgen Ellermann, Horst Pfeiffenberger | 1987-06-02 |
| 4638725 | Light alloy piston | Gotthard Stuska | 1987-01-27 |
| 4534274 | Piston assembly for internal combustion engines | Gotthard Stuska | 1985-08-13 |