Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9999101 | Method and device for automatically detecting the intactness of ground electrodes in the bath of an induction furnace and induction furnace | Matthias Bartkowiak, Christoph Forsthoevel | 2018-06-12 |
| 9746510 | Ground-fault detector for multifurnace installation | Matthias Bartkowiak, Christoph Forsthoevel | 2017-08-29 |
| 9706606 | Induction furnace and system for locating a ground fault therein | Ingolf Temme | 2017-07-11 |
| 6768766 | Precast one piece upper castable ring for induction furnaces | — | 2004-07-27 |
| 5406671 | Trowel | — | 1995-04-18 |