Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5294096 | Power supply coil for the ceramic-free outlet of a melting pot | — | 1994-03-15 |
| 4951298 | Closed remelting furnace having several horizontally movable furnace lower portions | — | 1990-08-21 |
| 4881239 | Fault detection during remelt of electrodes into blocks | Otto W. Stenzel, Gerhard Bruckmann, Alok Choudhury | 1989-11-14 |
| 4773079 | Process for melting down and degassing lumpy material | Gerhard Bruckmann, Johann Kemmer, Detley Schlebusch, Ulrich Hensgen | 1988-09-20 |
| 4726840 | Method for the electroslag refining of metals, especially those having alloy components with an affinity for oxygen | Alok Choudhury, Gerhard Bruckmann | 1988-02-23 |
| 4436814 | Method for the recovery of enzymes after the treatment of starch-containing raw materials used for the production of fermentation alcohol | Hans Muller, Hans Peter Knopfel, Rolf H. Kretz | 1984-03-13 |
| 4419244 | Method and arrangement for aeration of liquids | Hans Muller | 1983-12-06 |
| 4397953 | Method and apparatus for anaerobic fermentation | Bruno Guazzone | 1983-08-09 |
| 4308528 | Electromechanically driven digital indicating device | Dietmar Hummel | 1981-12-29 |