Hans Theodor Grisebach

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Unna, DE

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Patents Grantslast 30 patents

Information Patent Grant
Control apparatus
- Patent number 4,443,135
- Issue date Apr 17, 1984
- Gewerkschaft Eisenhutte Westfalia
- Klaus Beckmann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of, and apparatus for, winning mineral material
- Patent number 4,391,470
- Issue date Jul 5, 1983
- Gewerkschaft Eisenhutte Westfalia
- Helmut Langenberg
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mineral winning machines
- Patent number 4,273,383
- Issue date Jun 16, 1981
- Gewerkschaft Eisenhutte Westfalia
- Hans-Theodor Grisebach
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mineral mining installation
- Patent number 4,251,110
- Issue date Feb 17, 1981
- Gewerkschaft Eisenhutte Westfalia
- Klaus Beckmann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mineral mining installation with planer and jet carrier
- Patent number 4,243,268
- Issue date Jan 6, 1981
- Gewerkschaft Eisenhutte Westfalia
- Armin Lobbe
- E21 - EARTH DRILLING MINING
Information Patent Grant
Control systems and arrangements for mineral mining installations
- Patent number 4,112,680
- Issue date Sep 12, 1978
- Gewerkschaft Eisenhutte Westfalia
- Hans Theodor Grisebach
- E21 - EARTH DRILLING MINING