Gunter Blumenthal

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Westerholt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of separating the upper coal in seams
- Patent number 4,798,417
- Issue date Jan 17, 1989
- Bochumer Eisenhutte Heintzmann GmbH & Co. HG
- Gunter Blumenthal
- E21 - EARTH DRILLING MINING
Information Patent Grant
Arrangement for supervising synchronous displacement of the pistons...
- Patent number 4,657,443
- Issue date Apr 14, 1987
- Bochumer Eisenhuette Heintzmann GmbH & Co.
- Gunter Blumenthal
- E21 - EARTH DRILLING MINING
Information Patent Grant
Electrohydraulic three-port, two position valve
- Patent number 4,529,006
- Issue date Jul 16, 1985
- Bochumer Eisehutte Heitzmann GmbH & Co. KG
- Siegmar Block
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...