Willy Lanfermann

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Bochum, DE

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Patents Grantslast 30 patents

Information Patent Grant
Longwall mining apparatus for working thick seams
- Patent number 4,478,457
- Issue date Oct 23, 1984
- Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
- Willy Lanfermann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Sectional conveyor with sectional rack fixed on the conveyor at onl...
- Patent number 4,186,970
- Issue date Feb 5, 1980
- Ruhrkohle, A.G.
- Otto Minke
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rack device for a drum cutter mining machine
- Patent number 4,184,715
- Issue date Jan 22, 1980
- Gebr. Eickhoff, Maschinenfabrik und Eisengiesserei m.b.H.
- Willy Lanfermann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mining machine, particularly for the working of low mine seams
- Patent number 4,166,652
- Issue date Sep 4, 1979
- Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
- Klaus Oberste-Beulmann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Support for movable segments in a rack for a drum cutter mining mac...
- Patent number 4,155,600
- Issue date May 22, 1979
- Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
- Willy Lanfermann
- E21 - EARTH DRILLING MINING