Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9469882 | Refractory purging devices | — | 2016-10-18 |
| 6814268 | Crack resistant valve plate for a slide gate valve | Vincent Boisdequin | 2004-11-09 |
| 6092701 | Fireproof plate and a clamping device for a sliding gate at the outlet of a vessel containing molten metal | Rolf Waltenspuhl, Werner Keller | 2000-07-25 |
| 5413744 | Process for inductive heating of ceramic shaped parts | Raimund Bruckner, Ullrich Hintzen, Ernst Luhrsen, Albert Ott | 1995-05-09 |
| 5310164 | Tapping pipe and system for a converter or electric arc furnace | Gunther Haubold, Dieter Bach, Werner Glasmacher, Dieter Stusser | 1994-05-10 |
| 5279993 | Gas injection stone and process of manufacture thereof | Herbert Metzger, Manfred Winkelmann, Jochen Kopia | 1994-01-18 |
| 5249811 | Refractory joint packing for an annular gap in a metallurgical vessel | Raimund Bruckner, Manfred Berndt | 1993-10-05 |
| 5202079 | Means and method for determining the degree of wear of a gas injection device | Manfred Winkelmann, Herbert Metzger | 1993-04-13 |
| 5190716 | Process for manufacturing and preheating a shaped ceramic part | Raimund Bruckner, Albert Ott, Ernst Luhrsen | 1993-03-02 |
| 5173199 | Apparatus for use in replacing a worn pouring pipe and for adjusting molten metal flow through a pouring pipe | Raimund Bruckner, Ernst Luhrsen, Ullrich Hintzen, Peter Keutgen | 1992-12-22 |
| 5160478 | Gas flushing apparatus for metallurgical vessel | Herbert Metzger, Manfred Winkelman, Hans G. Winkler, Jochen Kopia | 1992-11-03 |
| 5152048 | Process for manufacturing a composite assembly of ceramic and steel | Raimund Bruckner, Manfred Winkelmann, Ulrich Nebe | 1992-10-06 |
| 5127632 | Gas flushing device including perforated brick and gas flushing stone assembly | Udo Muschner, Manfred Winkelmann, Herbert Metzger | 1992-07-07 |
| 5106106 | Sealing structure for use in guiding molten metal from a metallurgical vessel and a seal thereof | Raimund Bruckner | 1992-04-21 |
| 5056762 | Apparatus for mounting a gas washing sink in a centered manner in a perforated brick | Raimund Bruckner, Peter Keutgen, Josef Seeger, Manfred Winkelmann, Herbert Metzger | 1991-10-15 |
| 5007621 | Apparatus for mounting a gas washing sink in a centered manner in perforated brick | Raimund Bruckner, Peter Keutgen, Josef Seeger, Manfred Winkelmann, Herbert Metzger | 1991-04-16 |
| 4995596 | Apparatus for repairing a perforated brick in a metallurgical vessel | Peter Keutgen | 1991-02-26 |
| 4984769 | Tap spout for metallurgical vessels and method of repairing | Raimund Bruckner, Axel Eschner, Wilhelm Langenfeld, Manfred Oberbach, Dieter Stusser | 1991-01-15 |
| 4978108 | Gas washing sink without integral closure member | Raimund Bruckner, Peter Keutgen, Josef Seeger, Manfred Winkelmann, Herbert Metzger | 1990-12-18 |
| 4971295 | Safety-type gas washing sink having improved heat dissipation properties | Raimund Bruckner, Manfred Winkelmann | 1990-11-20 |
| 4905971 | Refractory ceramic sink | Jochen Kopia, Jurgen Sauthoff | 1990-03-06 |
| 4789086 | Refractory wear parts for sliding closure units | — | 1988-12-06 |
| 4779849 | Gas washing device with reduced gas flow upon wear of gas sink | Jurgen Schnabel | 1988-10-25 |
| 4711432 | Gas washing device | Michael James Heinz, Joachim Lange, Udo Muschner, Herbert Naefe, Manfred Winkelmann +1 more | 1987-12-08 |
| 4695043 | Gas scavenging apparatus for metallurgical vessels | Manfred Winkelmann, Udo Muschner, Karl-Heinz Schmitt | 1987-09-22 |