Issued Patents All Time
Showing 26–50 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6267449 | Guide arrangement for a drum-type mineral cutting machine | Hans Meya | 2001-07-31 |
| 6179386 | Drive chain channel arrangement for longwall shearer | Hans Meya | 2001-01-30 |
| 5947265 | Chain drum arrangement for scraper chain conveyors | Adam Klabisch, Bernd Steinkuhl | 1999-09-07 |
| 5941154 | Guide shoe for a cutting machine | Frank Fischer | 1999-08-24 |
| 5931540 | Drive system having a pin drive chain for a cutting machine for underground mining | Frank Fischer, Jorg Wirtz | 1999-08-03 |
| 5927476 | Conveyor pan connection for scraper chain conveyors in particular for use in mining | Siegfried Schmidt | 1999-07-27 |
| 5927479 | Chain drum arrangement for scraper chain conveyors | Bernd Steinkuhl, Adam Klabisch | 1999-07-27 |
| 5913403 | Drive station for a scraper-chain conveyor usable in an underground mine working | Ulrich Pletsch | 1999-06-22 |
| 5708074 | Anionically stabilized aqueous polyvinylbutyral dispersions and process for their preparation and use | Ralph Schaefer, Markus Schafheutle, Martin Gerlitz | 1998-01-13 |
| 5704267 | Guide shoe for a cutting machine especially for a drum or disk shearer | Frank Fischer | 1998-01-06 |
| 5700061 | Guide and drive arrangement for the winning machines of mineral winning installations | Frank Fischer | 1997-12-23 |
| 5658085 | Toggle securing device for toggle joints in chain conveyors and the like | Reinhold Brüggemann, Siegfried Schmidt | 1997-08-19 |
| 5641058 | Method and a device for tensioning endless drive belts | Bernd-Christian Pago, Jens Titschert | 1997-06-24 |
| 5601341 | Drive gear and guide arrangement for a mining machine, in particular a disk shearer | Frank Fischer, Bernd Steinkuhl | 1997-02-11 |
| 5589535 | Air-drying polyurethane resins, their preparation and use | Michael Schwab, Gerd Walz | 1996-12-31 |
| 5553925 | Apparatus for automatically adjusting the cutting horizon of a mining extraction apparatus | Thomas Hoelken | 1996-09-10 |
| 5525669 | Aqueous emulsions comprising polyvinyl butyral | Markus Schafheutle | 1996-06-11 |
| 5343130 | Control system for automatically halting the movement of a machine in the mine working | Ulrich Paschedag | 1994-08-30 |
| 5213896 | Fluorine-containing powder coating | Michael Schlipf | 1993-05-25 |
| 5194543 | Crosslinkable fluorine-containing copolymers, and surface coatings based on these copolymers | Michael Schlipf | 1993-03-16 |
| 5167437 | Mechanisms for drawing a chain into or through a channel of a chain guide | Martin Hermann | 1992-12-01 |
| 5137336 | Process for the automated winning of mineral, such as coal, in a longwall working | — | 1992-08-11 |
| 5033315 | Apparatus for determining the tension in a chain or the like | Wilfried Mertens, Werner Bohle | 1991-07-23 |
| 4934757 | Control of mineral mining machines | Bernd Steinkuhl, Christoph Rassmann, Alfred Marquart | 1990-06-19 |
| 4887991 | Drive assemblies for chain-driven mining machinery | Heinrich Cwielong, Wilfried Mertens | 1989-12-19 |