| 5636581 |
Grate bar and grate with cooling apparatus and process for cooling |
Holger Kleen, Hans Mayer |
1997-06-10 |
| 4838934 |
Process for a direct reduction of iron oxide containing materials in a rotary kiln |
Gerd Elsenheimer |
1989-06-13 |
| 4676824 |
Process for generating heat and producing sponge iron |
Georg Daradimos, Martin Hirsch |
1987-06-30 |
| 4581401 |
Radiation sensitive polymeric material |
Frithjof Asmussen, Peter Quis, Winfried Wunderlich, Hideto Sotobayashi |
1986-04-08 |
| 4551414 |
Positive resist material |
Frithjof Asmussen, Hideto Sotobayashi, Jiang-Tsun Chen |
1985-11-05 |
| 4551172 |
Process of producing liquid carbon-containing iron |
Lothar Formanek, Martin Hirsch, Harry Serbent, Klaus-Dietrich Fritzsche, Heribert Koenig +1 more |
1985-11-05 |
| 4539188 |
Process of afterburning and purifying process exhaust gases |
Martin Hirsch, Harald Sauer, Hans-Werner Schmidt |
1985-09-03 |
| 4490168 |
Process of making steel by melting sponge iron in an electric arc furnace |
Lothar Formanek, Martin Hirsch, Harry Serbent, Klaus-Dietrich Fritzsche, Heribert Koenig +1 more |
1984-12-25 |
| 4469509 |
Process of producing sponge iron by a direct reduction of iron oxide-containing material in a rotary kiln |
Karl-Heinz Fischer, Harry Serbent |
1984-09-04 |
| 4443250 |
Process of producing sponge iron by a direct reduction of iron oxide-containing materials |
Kurt Meyer, Lothar Reh, Martin Hirsch, Harry Serbent |
1984-04-17 |
| 4436286 |
Process of afterburning combustible constituents of exhaust gases from rotary kilns |
Ernst Scheu, Harry Serbent |
1984-03-13 |
| 4391583 |
Process of thermally treating bulk materials in a rotary kiln |
Harry Serbent, Detlev Schlebusch, Gerhard Reuter |
1983-07-05 |
| 4369059 |
Process of directly reducing iron oxide containing materials in a rotary kiln |
Gerd Elsenheimer |
1983-01-18 |
| 4368177 |
Process of producing quicklime by calcining in a rotary kiln |
Gerhard Reuter, Herbert Lausch |
1983-01-11 |
| 4312666 |
Steel making process |
Harry Serbent, Gerhard Reuter, Heinz Eichberger |
1982-01-26 |
| 4259081 |
Process of calcining limestone in a rotary kiln |
Gerhard Reuter, Herbert Lausch |
1981-03-31 |
| 4247323 |
Process of directly reducing iron oxide-containing materials |
Harry Serbent, Gerhard Reuter |
1981-01-27 |
| 4238222 |
Waelz process of volatilizing zinc and lead from iron oxide-containing materials |
Harry Serbent, Gerhard Reuter, Gunter Kossek |
1980-12-09 |
| 4181520 |
Process for the direct reduction of iron oxide-containing materials in a rotary kiln |
Gerhard Reuter |
1980-01-01 |
