Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366539 | Process for the desulphurization treatment of pig iron melts | Karl-Heinz Abele, Heinz van den Boom, Alfred Ender, Eckart Hees | 1994-11-22 |
| 5162107 | Method of reprocessing zinc- and lead-containing residues from metallurgical plants by means of a circulating fluidized bed system | Martin Hirsch, Albert Kaune, Alpaydin Saatci, Karlheinz Broj, Uwe Harter | 1992-11-10 |
| 4832739 | Process for desulfurizing molten iron | Werner Gmohling, Manfred Tutte, Karl-Heinz Peters | 1989-05-23 |
| 4764211 | Fine-grained agent for desulfurizing molten iron | Werner Gmohling, Manfred Tutte, Karl-Heinz Peters | 1988-08-16 |
| 4592777 | Method, process and composition for desulfurizing pig-iron melts | Heinrich Rellermeyer, Werner Gmohling | 1986-06-03 |
| 4586955 | Process for desulphurizing hot metal | Rudolf HAMMER, Karl-Heinz Peters | 1986-05-06 |
| RE31676 | Method and apparatus for dispensing a fluidizable solid from a pressure vessel | — | 1984-09-18 |
| 4431444 | Process for reducing the iron content of CaO-rich slags formed during the desulphurization of crude iron | Rudolf HAMMER, Heinrich Rellermeyer | 1984-02-14 |
| 4430118 | Desulfurization agent | Alfred Freissmuth, Werner Gmohling | 1984-02-07 |
| 4309025 | Apparatus for carrying out metallurgical reactions in a ladle | — | 1982-01-05 |