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Patents Grants
last 30 patents
Information
Patent Grant
Mobile boring rig
Patent number
5,269,107
Issue date
Dec 14, 1993
Ing. Guenter Klemm Bohrtechnik GmbH
Guenter W. Klemm
E21 - EARTH DRILLING MINING
Information
Patent Grant
Control device for the load- dependent connection of a hydraulic st...
Patent number
5,255,590
Issue date
Oct 26, 1993
Ing. Guenter Klemm Bohrtechnik GmbH
Guenter W. Klemm
E21 - EARTH DRILLING MINING
Information
Patent Grant
Superposed drilling device
Patent number
5,205,366
Issue date
Apr 27, 1993
Ing. Guenter Klemm Bohrtechnik GmbH
Guenther W. Klemm
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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