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Dieter Gude
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Essen, DE
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last 30 patents
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Patent Grant
Drilling machine with arc-like drill pipe holder
Patent number
6,702,043
Issue date
Mar 9, 2004
Deilmann-Haniel Maschinen- und Stahlbau GmbH
Hubert Koch
E21 - EARTH DRILLING MINING
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Patent Grant
“Twin-impact” double-blow drilling apparatus
Patent number
6,202,763
Issue date
Mar 20, 2001
Deilmann-Haniel Maschinin-und Stahlbau
Dieter Gude
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic impact device with continuously controllable impact rate...
Patent number
5,667,022
Issue date
Sep 16, 1997
Deilman-Haniel GmbH
Dieter Gude
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Patents Applications
last 30 patents
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Patent Application
Drilling machine with arc-like drill pipe holder
Publication number
20020117335
Publication date
Aug 29, 2002
Hubert Koch
E21 - EARTH DRILLING MINING