Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5413744 | Process for inductive heating of ceramic shaped parts | Raimund Bruckner, Ernst Luhrsen, Hans Rothfuss, Albert Ott | 1995-05-09 |
| 5230813 | Stator and rotor members for use in apparatus for closing and/or regulating the discharge or tapping of molten metal | — | 1993-07-27 |
| 5183624 | Shutoff assembly and improved drive rod therefor | Raimund Bruckner, Steve Lee, Andreas Schuler, Martin Wiesel | 1993-02-02 |
| 5173199 | Apparatus for use in replacing a worn pouring pipe and for adjusting molten metal flow through a pouring pipe | Raimund Bruckner, Ernst Luhrsen, Hans Rothfuss, Peter Keutgen | 1992-12-22 |
| 5145634 | Closing or regulating apparatus for a metallurgical vessel | — | 1992-09-08 |
| 5106060 | Components for forming a closing and/or regulating apparatus for tapping molten metal from a metallurgical vessel | Ernst Luhrsen, Andreas Schuler | 1992-04-21 |
| 5085344 | Apparatus for closing and/or regulating the discharge or tapping of molten metal | — | 1992-02-04 |
| 5083688 | Rotary valve for a metallurgical vessel and rotor and stator therefor | Ernst Luhrsen, Raimund Bruckner | 1992-01-28 |
| 5080265 | Apparatus for closing and/or regulating the tapping of molten metal | Ernst Luhrsen, Andreas Schuler | 1992-01-14 |
| 5072864 | Carbon-containing wearable refractory parts | Ernst Luhrsen, Andreas Schuler | 1991-12-17 |
| 5037017 | Horizontal or vertical rotary valve for a metallurgical vessel | Ernst Luhrsen, Raimund Bruckner | 1991-08-06 |
| 5025961 | Refractory shutoff assembly capable of improved emergency closing | Ernst Luhrsen, Andreas Schuler | 1991-06-25 |
| 4994216 | Process of making carbon-bonded refractory shaped articles | Heinz Schermer, Ernst Luhrsen | 1991-02-19 |
| 4949886 | Horizontal or vertical rotary valve for a metallurgical vessel | Ernst Luhrsen, Raimund Bruckner | 1990-08-21 |
| 4913324 | Rotary valve for a metallurgical vessel and rotor and stator therefor | Ernst Luhrsen, Raimund Bruckner | 1990-04-03 |
| 4575439 | Method of producing a refractory brick | Michael Neuenburg | 1986-03-11 |