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Brian Sternaman
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Lafayette, LA, US
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Patents Grants
last 30 patents
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Patent Grant
Gas lift valve having shear open mechanism for pressure testing
Patent number
10,787,889
Issue date
Sep 29, 2020
Weatherford Technology Holdings, LLC
Zlatko Salihbegovic
E21 - EARTH DRILLING MINING
Information
Patent Grant
Chemical injection valve with enhanced sealing capability
Patent number
10,605,049
Issue date
Mar 31, 2020
Weatherford Technology Holdings, LLC
Sven C. Joerpeland
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dual-purpose steam injection and production tool
Patent number
9,027,642
Issue date
May 12, 2015
Weatherford Technology Holdings, LLC
John S. Sladic
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
Gas Lift Valve Having Shear Open Mechanism for Pressure Testing
Publication number
20200032627
Publication date
Jan 30, 2020
Weatherford Technology Holdings, LLC.
Zlatko Salihbegovic
E21 - EARTH DRILLING MINING
Information
Patent Application
Gas Lift Mandrel Manufacture with Solid-State Joining Process
Publication number
20190299326
Publication date
Oct 3, 2019
Weatherford Technology Holdings, LLC.
Robert P. Badrak
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
CHEMICAL INJECTION VALVE WITH ENHANCED SEALING CAPABILITY
Publication number
20180142533
Publication date
May 24, 2018
Weatherford Technology Holdings, LLC.
Sven C. JOERPELAND
E21 - EARTH DRILLING MINING
Information
Patent Application
Dual-Purpose Steam Injection and Production Tool
Publication number
20120298356
Publication date
Nov 29, 2012
WEATHERFORD/LAMB, INC.
John S. Sladic
E21 - EARTH DRILLING MINING