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Christiaan D. Krauss
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Houston, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Drilling and cementing casing system
Patent number
7,234,546
Issue date
Jun 26, 2007
Baker Hughes Incorporated
Ray P. Vincent
E21 - EARTH DRILLING MINING
Information
Patent Grant
Delayed opening ball seat
Patent number
6,634,428
Issue date
Oct 21, 2003
Baker Hughes Incorporated
Christiaan D. Krauss
E21 - EARTH DRILLING MINING
Information
Patent Grant
Unlocking packer setting method and device
Patent number
6,241,023
Issue date
Jun 5, 2001
Baker Hughes Incorporated
Christiaan D. Krauss
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Drilling and cementing casing system
Publication number
20040003944
Publication date
Jan 8, 2004
Ray P. Vincent
E21 - EARTH DRILLING MINING
Information
Patent Application
Delayed opening ball seat
Publication number
20020162661
Publication date
Nov 7, 2002
Christiaan D. Krauss
E21 - EARTH DRILLING MINING