Bochumer Eisenhutte Heintzmann GmbH & Co. KG
Patent Applications and Registrations
Patent applications and USPTO patent grants for Bochumer Eisenhutte Heintzmann GmbH & Co. KG.The latest application filed is for "lattice girder".
- Bochumer Eisenhutte Heintzmann GmbH & Co. KG - Bochum DE
- BOCHUMER EISENHUTTE HEINTZMANN GmbH & CO. KG -
Trademarks
| Patent | Date |
|---|---|
| Lattice girder Grant 9,010,061 - Podjadtke April 21, 2 | 2015-04-21 |
| Tubbing lining having an integrated flexible element Grant 8,979,434 - Podjadtke March 17, 2 | 2015-03-17 |
| Lattice Girder App 20140069047 - Podjadtke; Rudi | 2014-03-13 |
| Tubbing Lining Having An Integrated Flexible Element App 20120237300 - Podjadtke; Rudi | 2012-09-20 |
| Support For Underground Mining And Tunnel Construction App 20090202310 - KOPPERS; MANFRED | 2009-08-13 |
| Mine roof-support truss Grant 6,921,232 - Domanski , et al. July 26, 2 | 2005-07-26 |
| Lattice girder supporting frame having straight brace parts Grant 6,880,308 - Seiz , et al. April 19, 2 | 2005-04-19 |
| Mine roof-support truss App 20050031420 - Domanski, Lothar ; et al. | 2005-02-10 |
| Continuously operating mining machines with plow and conveyor chains and method of operating same Grant 5,647,640 - Heintzmann , et al. July 15, 1 | 1997-07-15 |
| Long-wall mining machine with a working chain Grant 5,624,162 - Guse , et al. April 29, 1 | 1997-04-29 |
| Positioning cylinder, especially for subterranean mining Grant 5,144,275 - Sebastian , et al. September 1, 1 | 1992-09-01 |
| Shaking control unit for a hydraulic cylinder Grant 5,000,622 - Block * March 19, 1 | 1991-03-19 |
| Method of controlling the movement of a longwall excavation front, especially the face or breast of a coal seam Grant 4,887,935 - Koppers , et al. December 19, 1 | 1989-12-19 |
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