Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8202474 | Conveyor system, composite system and method for coupling metallurgical methods | Harald Fischer, Hanspeter Ofner, Wilhelm Schiffer | 2012-06-19 |
| 7858021 | Conveyor system, composite system and method for coupling metallurgical methods | Harald Fischer, Hanspeter Ofner, Wilhelm Schiffer | 2010-12-28 |
| 5879618 | Apparatus for treating fine ore | Gero Tessmer, Rudolf Weidinger, Roy Hubert Whipp, Jr. | 1999-03-09 |
| 5676734 | Method of treating fine ore | Gero Tessmer, Rudolf Weidinger, Roy Hubert Whipp, Jr. | 1997-10-14 |
| 4471536 | Device for drying coal | Peter Herber, Pavle Ivanovski, Wilfried Zieri | 1984-09-18 |
| 4407489 | Apparatus for discharging hot flowable solids from an upright container, particularly for discharging sponge iron from a shaft furnace | — | 1983-10-04 |