Issued Patents All Time
Showing 25 most recent of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5913573 | Roof bolt drilling and setting apparatus | Franz Schlegl | 1999-06-22 |
| 5881832 | Method of controlling interlinked vehicles in mining and tunnelling as well as arrangement for carrying out this method | Nikolaus Sifferlinger | 1999-03-16 |
| 5673974 | Dry dust removal device | Egmont Lammer | 1997-10-07 |
| 5557979 | Gear box | Otto Krassnitzer, Robert Felber | 1996-09-24 |
| 5498069 | Bit holder with a detachably fixed bit bushing | Gottfried Siebenhofer, Roman Gerer | 1996-03-12 |
| 5392869 | Anchor bolt drilling and setting device | Hermann Froschl, Ralf Oberdorfer | 1995-02-28 |
| 5333936 | Low profile mining machine having a cutter mounted on a slidable carriage | — | 1994-08-02 |
| 5228552 | Loading device for mining | Erich Brandl, Arnulf Kissich | 1993-07-20 |
| 5178494 | Roof support for underground excavations such as coal mines | Karl Lerchbaum, Heinrich Suessenbeck | 1993-01-12 |
| 5108154 | Drive arrangement for shearing drums | Erich Brandl, Otto Krassnitzer | 1992-04-28 |
| 5098166 | Device for feeding fluid for the spraying of picks in a shearing drum | Bernhard Ebner, Otto Krassnitzer, Franz Schoffmann | 1992-03-24 |
| 5072994 | Shearing machine with movable shearing drum and conveyor | Erich Brandl, Wolfgang Koch | 1991-12-17 |
| 5050934 | Shearing machine with roof-bolt drilling and setting devices | Erich Brandl, Oswald Tutzer | 1991-09-24 |
| 5000306 | Chain conveyor for loading devices and/or conveying devices | Arnulf Kissich, Erich Brandl | 1991-03-19 |
| 4966417 | Device for guying a drift advancing machine within a drift | Franz Barnthaler, Erich Brandl | 1990-10-30 |
| 4875738 | Arm-supported cutting roll with effective length pivotally adjustable along mining face | Erich Brandl | 1989-10-24 |
| 4784439 | Movable cutting machine | Herwig Wrulich, Erich Brandl | 1988-11-15 |
| 4776445 | Device for transferring the cup heap of debris onto a drift conveying means | Heinrich Sussenbeck, Siegfried Sigott | 1988-10-11 |
| 4770469 | Process for controlling the movement of a universally swivellable cutting arm of a partial cut cutting machine as well as apparatus for performing this process | Eduard Schellenberg, Gerhard Steinbrucker, Herwig Wrulich, Reinhard Neuper | 1988-09-13 |
| 4721340 | Process for controlling the movement of an universally swivellable cutting arm as well as control device for performing this process | Herwig Wrulich, Otto Schetina | 1988-01-26 |
| 4711502 | Apparatus for cutting excavations having a substantially planar face | Franz Barnthaler, Ferdinand Bedenk, Otto Schetina | 1987-12-08 |
| 4696518 | Cutting machine | Wilfried Maier | 1987-09-29 |
| 4688855 | Drift advancing or exploiting machine | Franz Barnthaler, Eduard Krivec | 1987-08-25 |
| 4664449 | Drift advancing or mining machine | Franz Barnthaler, Ferdinand Bedenk, Otto Schetina | 1987-05-12 |
| 4662685 | Device for sealing a drift cross section driven by means of a cutting machine | Franz Barnthaler, Ferdinand Bedenk, Otto Schetina | 1987-05-05 |