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Henning Finke
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Pattensen, DE
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Patents Grants
last 30 patents
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Patent Grant
Sleeve structures for earth-boring tools, tools including sleeve st...
Patent number
8,230,952
Issue date
Jul 31, 2012
Baker Hughes Incorporated
Thorsten Schwefe
E21 - EARTH DRILLING MINING
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Patent Grant
Rotary drag bits for cutting casing and drilling subterranean forma...
Patent number
8,191,657
Issue date
Jun 5, 2012
Baker Hughes Incorporated
Volker Richert
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
SIDE TRACK BIT
Publication number
20100300673
Publication date
Dec 2, 2010
Volker Richert
E21 - EARTH DRILLING MINING
Information
Patent Application
SLEEVE STRUCTURES FOR EARTH-BORING TOOLS, TOOLS INCLUDING SLEEVE ST...
Publication number
20090032309
Publication date
Feb 5, 2009
BAKER HUGHES INCORPORATED
Thorsten Schwefe
E21 - EARTH DRILLING MINING