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Michael Wiegmann
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Gross Oesingen, DE
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Patents Grants
last 30 patents
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Patent Grant
Expandable reamer assemblies, bottom hole assemblies, and related m...
Patent number
10,036,206
Issue date
Jul 31, 2018
Baker Hughes Incorporated
Steven R. Radford
E21 - EARTH DRILLING MINING
Information
Patent Grant
Expandable reamer assemblies, bottom-hole assemblies, and related m...
Patent number
9,341,027
Issue date
May 17, 2016
Baker Hughes Incorporated
Steven R. Radford
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
EXPANDABLE REAMER ASSEMBLIES, BOTTOM HOLE ASSEMBLIES, AND RELATED M...
Publication number
20180334857
Publication date
Nov 22, 2018
BAKER HUGHES INCORPORATED
Steven R. Radford
E21 - EARTH DRILLING MINING
Information
Patent Application
EXPANDABLE REAMER ASSEMBLIES, BOTTOM HOLE ASSEMBLIES, AND RELATED M...
Publication number
20160251904
Publication date
Sep 1, 2016
BAKER HUGHES INCORPORATED
Steven R. Radford
E21 - EARTH DRILLING MINING
Information
Patent Application
EXPANDABLE REAMER ASSEMBLIES, BOTTOM HOLE ASSEMBLIES, AND RELATED M...
Publication number
20140246236
Publication date
Sep 4, 2014
Steven R. Radford
E21 - EARTH DRILLING MINING