Guy Geuns

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D-8551 Hemhofen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of mining coal seams at a defined preset depth of cutting du...
- Patent number 5,362,133
- Issue date Nov 8, 1994
- Hermann Hemscheidt Maschinenfabrik GmbH & Co.
- Guy Geuns
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of working coal seams to a defined preset depth of cutting d...
- Patent number 5,275,469
- Issue date Jan 4, 1994
- Hermann Hemscheidt Maschinenfabrik GmbH
- Guy Geuns
- E21 - EARTH DRILLING MINING
Information Patent Grant
Control system for longwall face support frames
- Patent number 5,181,451
- Issue date Jan 26, 1993
- Hermann Hemscheidt Maschinenfabrik GmbH & Co.
- Guy Geuns
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and system for the production of electrical energy by means...
- Patent number 4,780,638
- Issue date Oct 25, 1988
- Werner Reinelt
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL