Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10428651 | Cutting apparatus using a clearing arrangement | Bernhard Ebner | 2019-10-01 |
| 10364674 | Cutting apparatus and method of operating | Bernhard Ebner | 2019-07-30 |
| 10364675 | Cutting apparatus | Bernhard Ebner | 2019-07-30 |
| 7883298 | Supporting device for an advance working or mining machine | — | 2011-02-08 |
| 7677674 | Cutting machine | Kurt-Michael Schaffer | 2010-03-16 |
| 7070331 | Hinge bolt modular unit | Kurt-Michael Schaffer, Bernhard Ebner | 2006-07-04 |
| 6942301 | Method for boring and placing bolts for imbedding adhesively and device for carrying out this method | Kurt-Michael Schaffer, Alfred Marek, Gerald Essl | 2005-09-13 |
| 6202765 | Device having a filter, a filter vibrating means and a scraper used for sucking off drillings | Kurt-Michael Schaffer, Karl Schnedl | 2001-03-20 |
| 5228552 | Loading device for mining | Arnulf Kissich, Alfred Zitz | 1993-07-20 |
| 5108154 | Drive arrangement for shearing drums | Otto Krassnitzer, Alfred Zitz | 1992-04-28 |
| 5072994 | Shearing machine with movable shearing drum and conveyor | Wolfgang Koch, Alfred Zitz | 1991-12-17 |
| 5050934 | Shearing machine with roof-bolt drilling and setting devices | Oswald Tutzer, Alfred Zitz | 1991-09-24 |
| 5000306 | Chain conveyor for loading devices and/or conveying devices | Alfred Zitz, Arnulf Kissich | 1991-03-19 |
| 4966417 | Device for guying a drift advancing machine within a drift | Alfred Zitz, Franz Barnthaler | 1990-10-30 |
| 4953916 | Drive arrangement for driving cutting rolls | — | 1990-09-04 |
| 4875738 | Arm-supported cutting roll with effective length pivotally adjustable along mining face | Alfred Zitz | 1989-10-24 |
| 4786112 | Driving arrangement for driving the cutting rolls of a drift advancing machine | — | 1988-11-22 |
| 4784439 | Movable cutting machine | Herwig Wrulich, Alfred Zitz | 1988-11-15 |
| 4669785 | Cutting machine | — | 1987-06-02 |
| 4641889 | Cutting machine | — | 1987-02-10 |