Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826538 | Method for removing an insulating fluid (PCB) from an electrical insulating part | Erwin Wessling | 1989-05-02 |
| 4516935 | Arrangement for heating and/or heat retaining of containers | — | 1985-05-14 |
| 4410999 | Method and apparatus for cooling a wall region of a metallurgical furnace, in particular an electric arc furnace | Ernst Wabersich | 1983-10-18 |
| 4317677 | Process for producing liquid crude iron and reduction gas | Ralph Weber, Emil Elsner, Walter Maschlanka, Bernt Rollinger | 1982-03-02 |