Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9394951 | Clutch unit | Norbert Hruby, Hannes Puck, Johannes Quehenberger | 2016-07-19 |
| 9350214 | Actuator | — | 2016-05-24 |
| 7409887 | Shift device for a transmission and power divider of a motor vehicle having such a shift device | Helmut Kassler | 2008-08-12 |
| 4866731 | Electric furnace arrangement | Ernst Zajicek, Hubert Hammerschmid | 1989-09-12 |
| 4841542 | Electric furnace arrangement | Ernst Zajicek, Johann Muhlbauer | 1989-06-20 |
| 4718645 | Ladle stand arrangement for treating molten metal | Ernst Zajicek | 1988-01-12 |
| 4643404 | Tiltable metallurgical vessel arrangement | Ernst Zajicek, Johann Muhlbauer | 1987-02-17 |
| 4644557 | Process for the production of calcium carbide and a shaft furnace for carrying out the process | Joachim Ebeling, Peter Friedrich, Herbert Jekat, Walter Lugscheider, Ernst Zajicek +2 more | 1987-02-17 |
| 4606038 | Plant for producing calcium carbide | Walter Lugscheider, Ernst Zajicek | 1986-08-12 |
| 4546483 | Plasma melting furnace arrangement | Walter Lugscheider, Alois Leutgob, Ernst Zajicek, Othmar Puhringer | 1985-10-08 |
| 4518417 | Method of, and arrangement for, reducing oxide-containing fine-particle ores | Walter Lugscheider, Alois Leutgob, Paul Mullner | 1985-05-21 |
| 4518419 | Method of carrying out metallurgical or chemical processes in a shaft furnace, and a low shaft furnace therefor | Walter Lugscheider, Ernst Zajicek | 1985-05-21 |
| 4504307 | Method for carrying out melting, melt-metallurgical and/or reduction-metallurgical processes in a plasma melting furnace as well as an arrangement for carrying out the method | Walter Lugscheider, Othmar Steipe, Ernst Zajicek | 1985-03-12 |
| 4493088 | Plasma melting furnace | Walter Lugscheider, Helmut D. Kilches, Ernst Zajicek | 1985-01-08 |
| 4436290 | Plasma melting furnace arrangement | Helmut D. Kilches, Walter Lugscheider, Ernst Zajicek | 1984-03-13 |
| 4437187 | Electric furnace arrangement | Ernst Zajicek | 1984-03-13 |
| 4423515 | Electric furnace | Ernst Zajicek | 1983-12-27 |
| 4423512 | Plasma melting furnace | Walter Lugscheider, Ernst Zajicek | 1983-12-27 |
| 4414673 | Plasma melting furnace | Walter Lugscheider | 1983-11-08 |
| 4274536 | Shielded roller chain | Manfred Schmidt | 1981-06-23 |
| 4265136 | Torque support arrangement | Manfred Schmidt | 1981-05-05 |
| 4234171 | Mixing arrangement | Alexander Patuzzi, Manfred Schmidt | 1980-11-18 |
| 4224836 | Tilting drive arrangement for a converter | Manfred Schmidt | 1980-09-30 |
| 4200210 | Rotary slide closure | Manfred Schmidt | 1980-04-29 |
| 4200266 | Mixing arrangement | Manfred Schmidt | 1980-04-29 |