Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5560762 | Process for the heat treatment of fine-grained iron ore and for the conversion of the heat treated iron ore to metallic iron | Wolfgang Bresser, Alpaydin Saatci | 1996-10-01 |
| 5527379 | Process for a direct reduction of iron oxide containing materials to form Fe.sub.3 C | Reza Husain, Alpaydin Saatci, Wolfgang Bresser | 1996-06-18 |
| 5476533 | Process for sintering iron oxide-containing materials on a sintering machine | Fred Stieler, Norbert Magedanz, Walter Gerlach, Jurgen Otto, Fred Cappel +4 more | 1995-12-19 |
| 5474592 | Method of reprocessing metallurgical residues, which contain zinc and lead | Wolfgang Bresser, Albert Kaune, Uwe Harter | 1995-12-12 |
| 5466278 | Process for the manufacture of steel | Paul E. Queneau | 1995-11-14 |
| 5433767 | Direct reduction of iron oxide materials with solid carbonaceous reducing agents | Wolfgang Bresser, Bernd Kosters, Fritz Rose | 1995-07-18 |
| 5308585 | Process and apparatus for cooling hot solids coming from a fluidized bed reactor | Michael Ströder, Johannes Albrecht, Rainer Reimert, Wladyslaw Lewandowski, Rudolf Kral | 1994-05-03 |
| 5205350 | Process for cooling a hot process gas | Wolfgang Frank, Manfred Heil | 1993-04-27 |
| 5162107 | Method of reprocessing zinc- and lead-containing residues from metallurgical plants by means of a circulating fluidized bed system | Albert Kaune, Alpaydin Saatci, Karlheinz Broj, Uwe Harter, Walter Meichsner | 1992-11-10 |
| 4996836 | Combined gas and steam turbine process | Lothar Reh, Rolf Graf, Ludolf Plass | 1991-03-05 |
| 4806158 | Process of reducing fine-grained iron-containing material by means of solid carbonaceous reducing agents | Fritz Rose, Harry Serbent | 1989-02-21 |
| 4789580 | Process of reducing higher metal oxides to lower metal oxides | Hermann Lommert, Harry Serbent | 1988-12-06 |
| 4676824 | Process for generating heat and producing sponge iron | Georg Daradimos, Wolfram Schnabel | 1987-06-30 |
| 4663132 | Method of processing sodium oxalate formed during the digestion of bauxite | Hans-Werner Schmidt, Walter Koch, Karlheinz Rosenthal, Yilmaz Yetmen | 1987-05-05 |
| 4643885 | Method of processing sodium oxalate formed during the digestion of bauxite | Hans-Werner Schmidt, Walter Koch, Karlheinz Rosenthal, Yilmaz Yetmen | 1987-02-17 |
| 4556402 | Process of gasifying solid fuels in a moving bed and in a fluidized bed | Paul Rudolph | 1985-12-03 |
| 4551172 | Process of producing liquid carbon-containing iron | Lothar Formanek, Harry Serbent, Wolfram Schnabel, Klaus-Dietrich Fritzsche, Heribert Koenig +1 more | 1985-11-05 |
| 4540432 | Continuous process of melting sponge iron | Peter Fischer, Harry Serbent | 1985-09-10 |
| 4539188 | Process of afterburning and purifying process exhaust gases | Wolfram Schnabel, Harald Sauer, Hans-Werner Schmidt | 1985-09-03 |
| 4490168 | Process of making steel by melting sponge iron in an electric arc furnace | Lothar Formanek, Wolfram Schnabel, Harry Serbent, Klaus-Dietrich Fritzsche, Heribert Koenig +1 more | 1984-12-25 |
| 4444568 | Method of producing fuel gas and process heat fron carbonaceous materials | Hans Beisswenger, Georg Daradimos, Ludolf Plass, Harry Serbent | 1984-04-24 |
| 4443250 | Process of producing sponge iron by a direct reduction of iron oxide-containing materials | Kurt Meyer, Lothar Reh, Wolfram Schnabel, Harry Serbent | 1984-04-17 |
| 4347064 | Process of gasifying fine-grained solid fuels | Lothar Reh, Gerhard Baron, Eberhard Blaum, Carl Hafke | 1982-08-31 |
| 4318798 | Process of cooling hot granular solids | Johannes Albrecht, Roland Rammler | 1982-03-09 |
| 4304759 | Process for obtaining metal oxide and SO.sub.2 -containing gases essentially free of SO.sub.3 and H.sub.2 SO.sub.4 from ferrous sulphate containing salt | Georg Daradimos, Lothar Reh, Jörg Thomas | 1981-12-08 |