Eric T. Johnson

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Sugar Land, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
High-pressure drilling assembly
- Patent number 11,828,117
- Issue date Nov 28, 2023
- Schlumberger Technology Corporation
- Eric Johnson
- E21 - EARTH DRILLING MINING
Information Patent Grant
U-joint for a downhole motor drive shaft
- Patent number 9,915,106
- Issue date Mar 13, 2018
- Smith International, Inc.
- Lance D. Underwood
- E21 - EARTH DRILLING MINING
Information Patent Grant
Through drillstring logging systems and methods
- Patent number 8,443,915
- Issue date May 21, 2013
- Schlumberger Technology Corporation
- Bruce H. Storm
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole safety valve having flapper and protected opening procedure
- Patent number 8,424,611
- Issue date Apr 23, 2013
- Weatherford/Lamb, Inc.
- Roddie R. Smith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flowback tool
- Patent number 8,118,106
- Issue date Feb 21, 2012
- Weatherford/Lamb, Inc.
- Jimmy Duane Wiens
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flapper latch
- Patent number 7,762,336
- Issue date Jul 27, 2010
- Weatherford/Lamb, Inc.
- Eric T. Johnson
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
HIGH-PRESSURE DRILLING ASSEMBLY
- Publication number 20220316288
- Publication date Oct 6, 2022
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Eric Johnson
- E21 - EARTH DRILLING MINING
Information Patent Application
U-Joint With High Torque Capacity And Improved Thrust Bearing Capacity
- Publication number 20160040484
- Publication date Feb 11, 2016
- Smith International. Inc.
- Lance D. Underwood
- E21 - EARTH DRILLING MINING
Information Patent Application
Downhole Safety Valve Having Flapper and Protected Opening Procedure
- Publication number 20110048742
- Publication date Mar 3, 2011
- Weatherford/Lamb Inc.
- Roddie R. Smith
- E21 - EARTH DRILLING MINING
Information Patent Application
THROUGH DRILLSTRING LOGGING SYSTEMS AND METHODS
- Publication number 20100096187
- Publication date Apr 22, 2010
- Bruce H. Storm, JR.
- E21 - EARTH DRILLING MINING
Information Patent Application
FLOWBACK TOOL
- Publication number 20090229837
- Publication date Sep 17, 2009
- Jimmy Duane Wiens
- E21 - EARTH DRILLING MINING
Information Patent Application
FLAPPER LATCH
- Publication number 20080210431
- Publication date Sep 4, 2008
- Eric T. Johnson
- E21 - EARTH DRILLING MINING