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Brian E. Hilhorst
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Beaumont, CA
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Patents Grants
last 30 patents
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Patent Grant
Retrievable plugging tool for tubing
Patent number
10,309,184
Issue date
Jun 4, 2019
Weatherford Technology Holdings, LLC
Francis Waterhouse
E21 - EARTH DRILLING MINING
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Patent Grant
Tension-set tieback packer
Patent number
9,874,070
Issue date
Jan 23, 2018
Weatherford Technology Holdings, LLC
Andrew J. Hanson
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
Retrievable Plugging Tool for Tubing
Publication number
20170101843
Publication date
Apr 13, 2017
Weatherford Technology Holdings, LLC.
Francis Waterhouse
E21 - EARTH DRILLING MINING
Information
Patent Application
Tension-Set Tieback Packer
Publication number
20160312569
Publication date
Oct 27, 2016
Weatherford Technology Holdings, LLC.
Andrew J. Hanson
E21 - EARTH DRILLING MINING