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Patents Grantslast 30 patents

Information Patent Grant
Retaining device
- Patent number 4,479,575
- Issue date Oct 30, 1984
- Gewerkschaft Eisenhutte Westfalia
- Dieter Gr/u/ ndken
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Chain stripper devices and assemblies for mining machines
- Patent number 4,445,878
- Issue date May 1, 1984
- Gewerkschaft Eisenhutte Westfalia
- Horst Linke
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Conveyor drive frame
- Patent number 4,437,564
- Issue date Mar 20, 1984
- Gewerkschaft Eisenhutte Westfalia
- Manfred Redder
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Longwall mineral mining installation
- Patent number 4,389,072
- Issue date Jun 21, 1983
- Gewerkschaft Eisenhutte Westfalia
- Horst Linke
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tensioning a longwall mineral mining installation
- Patent number 4,169,689
- Issue date Oct 2, 1979
- Gewerkschaft Eisenhutte Westfalia
- Walter Weirich
- E21 - EARTH DRILLING MINING
Information Patent Grant
Stacked mineral mining plows independently driven or coupled
- Patent number 4,111,489
- Issue date Sep 5, 1978
- Gewerkschaft Eisenhutte Westfalia
- Klaus Beckmann
- E21 - EARTH DRILLING MINING