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Patents Grants
last 30 patents
Information
Patent Grant
Surface controlled wireline retrievable safety valve
Patent number
10,920,529
Issue date
Feb 16, 2021
Tejas Research & Engineering, LLC
Jason C. Mailand
E21 - EARTH DRILLING MINING
Information
Patent Grant
Line manifold for concurrent fracture operations
Patent number
9,605,525
Issue date
Mar 28, 2017
GE Oil & Gas Pressure Control LP
Saurabh Kajaria
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
METHOD OF INTERVENTION IN A FAILED DEEP-SET SUBSURFACE SAFETY VALVE...
Publication number
20200291750
Publication date
Sep 17, 2020
TEJAS RESEARCH AND ENGINEERING, LLC
Thomas G. Hill
E21 - EARTH DRILLING MINING
Information
Patent Application
SURFACE CONTROLLED WIRELINE RETRIEVABLE SAFETY VALVE
Publication number
20200190944
Publication date
Jun 18, 2020
TEJAS RESEARCH AND ENGINEERING, LLC
Jason C. Mailand
E21 - EARTH DRILLING MINING
Information
Patent Application
DEEP SET PRODUCTION TUBING PRESSURE INSENSITIVE WIRELINE RETRIEVABL...
Publication number
20200056714
Publication date
Feb 20, 2020
TEJAS RESEARCH AND ENGINEERING, LLC
Jason C. Mailand
E21 - EARTH DRILLING MINING
Information
Patent Application
Line Manifold for Concurrent Fracture Operations
Publication number
20170044872
Publication date
Feb 16, 2017
Saurabh Kajaria
E21 - EARTH DRILLING MINING
Information
Patent Application
Line Manifold for Concurrent Fracture Operations
Publication number
20150184491
Publication date
Jul 2, 2015
Saurabh Kajaria
E21 - EARTH DRILLING MINING