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Gustav Neu
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Bochum, DT
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last 30 patents
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Patent Grant
Mine roof support
Patent number
4,094,155
Issue date
Jun 13, 1978
Bochumer Eisenhutte Heintzmann GmbH & Co.
Gunter Blumenthal
E21 - EARTH DRILLING MINING
Information
Patent Grant
Arrangement for supporting roofs of underground excavations
Patent number
4,080,794
Issue date
Mar 28, 1978
Bochumer Eisenhutte Heintzmann GmbH & Co.
Gustav Neu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Guiding arrangement for underground excavating systems
Patent number
4,065,931
Issue date
Jan 3, 1978
Bochumer Eisenhutte Heintzmann GmbH & Co.
Gustav Neu
E21 - EARTH DRILLING MINING