Gunter Blumenthal

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Westerholt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Mining and conveying apparatus
- Patent number 4,883,322
- Issue date Nov 28, 1989
- Bochumer Eisenhutte Heintzmann GmbH & Co. KG
- Gunter Blumenthal
- E21 - EARTH DRILLING MINING
Information Patent Grant
Arrangement for controlled engagement of the tools of a mining mach...
- Patent number 4,280,734
- Issue date Jul 28, 1981
- Bochumer Eisenhuette Heintzmann GmbH & Co.
- Gunter Blumenthal
- E21 - EARTH DRILLING MINING
Information Patent Grant
Walking mine roof support
- Patent number 4,140,430
- Issue date Feb 20, 1979
- Bochumer Eisenhutte Heintzmann GmbH & Co
- Gunter Blumenthal
- E21 - EARTH DRILLING MINING