Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9949322 | Method for operating an electric arc furnace and melting plant having an electric arc furnace operated according to said method | Arno Döbbeler, Detlef Rieger | 2018-04-17 |
| 9350087 | Method for producing an electric interface and interface | Hans Finke | 2016-05-24 |
| 9255303 | Method for determining at least one state variable of an electric arc furnace, and electric arc furnace | Detlef Gerhard, Thomas Matschullat, Detlef Rieger, Reinhard Sesselmann | 2016-02-09 |
| 6517373 | Circular connector | Hans Finke | 2003-02-11 |