Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9156621 | Face conveyor for extraction plants and trough element for said face conveyor | Hendrik Padberg, Jens Steinberg, Gerhard Siepenkort, Detlef Hahn, Joachim Raschka | 2015-10-13 |
| 9132963 | Multipart chain fixing device, trough element and parts for the same | Eugen Baier, Siegfried Schmidt, Uwe Tillessen, Frank Fischer, Bernhard Wleklinski | 2015-09-15 |
| 8794429 | Pan section | Frank Fischer, Siegfried Schmidt, Eugen Baier, Uwe Tillessen | 2014-08-05 |
| 8662287 | Scraper for scraper chain conveyors | Frank Fischer, Willi Klingbeil, Matthias Kohler, Uwe Tillessen, Elmar Wiejack-Symann | 2014-03-04 |
| 8550236 | Extraction device, particularly for mining, and method for controlling the extraction device | Gerhard Merten, Karl-Heinz Schurer, Manfred Bäumler, Uwe Böker | 2013-10-08 |
| 8365901 | Conveyor pan with changeable trough, and a changeable trough | Siegfried Schmidt | 2013-02-05 |
| 7562764 | Entry conveyor and pan section for the same | Reinhold Brüggemann, Gerhard Merten, Hans Meya, Ingo Pruss, Karl-Heinz Schurer +1 more | 2009-07-21 |
| 7392896 | Trough pan for a face conveyor with a loading ramp | Siegfried Schmidt | 2008-07-01 |
| 7350874 | Method and device for extracting extraction products in underground mining | Reinhold Brüggemann, Detlef Hahn, Frank Fischer, Jochen Hammel, Norbert Katthöfer +8 more | 2008-04-01 |
| 7325670 | Conveyor pan | Dirk Vorsteher, Gerhard Merten, Frank Fischer, Siegfried Schmidt, Martin Broszat +4 more | 2008-02-05 |
| 7032743 | Conveyor pan | Dirk Vorsteher, Gerhard Merten, Frank Fischer, Siefgried Schmidt, Martin Broszat +4 more | 2006-04-25 |
| 6966429 | Conveyor pan | Dirk Vorsteher, Gerhard Merten, Frank Fischer, Siefgried Schmidt, Martin Broszat +4 more | 2005-11-22 |
| 6896121 | Conveyor pan | Dirk Vorsteher, Gerhard Merten, Frank Fischer, Siefgried Schmidt, Martin Broszat +4 more | 2005-05-24 |
| 6872025 | Toggle retainer for toggle connections | Detlef Hahn, Frank Fischer, Gerhard Merten, Ingo Pruss, Siegfried Schmidt | 2005-03-29 |
| 6843364 | Toggle bar link for conveyor and guideway pans and toggle bars, toggle bar sockets, safety elements, pans and assembly tools for toggle bar links | Siegfried Schmidt | 2005-01-18 |
| 6799675 | Toggle retainer for toggle connections | Siefgried Schmidt | 2004-10-05 |
| 5931540 | Drive system having a pin drive chain for a cutting machine for underground mining | Gerhard Merten, Frank Fischer | 1999-08-03 |