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Brian Wiesner
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The Woodlands, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Installing a tubular string through a blowout preventer
Patent number
10,900,310
Issue date
Jan 26, 2021
DOWNING WELLHEAD EQUIPMENT, LLC
Matthew E. Melton
E21 - EARTH DRILLING MINING
Information
Patent Grant
Earth-boring bit with wear-resistant shirttail
Patent number
6,607,047
Issue date
Aug 19, 2003
Baker Hughes Incorporated
Mohammed Swadi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Secondary cutting structure
Patent number
6,601,661
Issue date
Aug 5, 2003
Baker Hughes Incorporated
Brian Andrew Baker
E21 - EARTH DRILLING MINING
Information
Patent Grant
Long barrel inserts for earth-boring bit
Patent number
6,443,246
Issue date
Sep 3, 2002
Baker Hughes Incorporated
Rudolf Carl Otto Pessier
E21 - EARTH DRILLING MINING
Information
Patent Grant
Nozzle orientation for roller cone rock bit
Patent number
6,354,387
Issue date
Mar 12, 2002
Baker Hughes Incorporated
Thomas M. Harris
E21 - EARTH DRILLING MINING
Information
Patent Grant
Earth-boring bit with wear-resistant material
Patent number
5,890,550
Issue date
Apr 6, 1999
Baker Hughes Incorporation
Mohammad Swadi
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
INSTALLING MULTIPLE TUBULAR STRINGS THROUGH BLOWOUT PREVENTER
Publication number
20190078409
Publication date
Mar 14, 2019
Downing Wellhead Equipment, LLC
Matthew E. Melton
E21 - EARTH DRILLING MINING