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Robert C. Henschel
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Friendswood, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Low-power electric safety valve
Patent number
10,724,332
Issue date
Jul 28, 2020
Chevron U.S.A. Inc.
Robert C. Henschel
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tubing retrievable injection valve assembly
Patent number
10,378,312
Issue date
Aug 13, 2019
Tejas Research & Engineering, LLC
Thomas G. Hill
E21 - EARTH DRILLING MINING
Information
Patent Grant
Deep set subsurface safety valve with a micro piston latching mecha...
Patent number
10,100,611
Issue date
Oct 16, 2018
Tejas Research & Engineering, LLC
Thomas G. Hill
E21 - EARTH DRILLING MINING
Information
Patent Grant
Thermal compensating tubing anchor for a pumpjack well
Patent number
10,053,936
Issue date
Aug 21, 2018
Tejas Research & Engineering, LLC
Sam Herod
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tubing retrievable injection valve assembly
Patent number
10,030,476
Issue date
Jul 24, 2018
Tejas Research & Engineering, LLC
Thomas G. Hill
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tubing retrievable injection valve assembly
Patent number
9,771,777
Issue date
Sep 26, 2017
Tejas Research & Engineering, LLC
Thomas G. Hill
E21 - EARTH DRILLING MINING
Information
Patent Grant
Safety system for wells having a cable deployed electronic submersi...
Patent number
9,638,006
Issue date
May 2, 2017
Tejas Research & Engineering, LLC
Robert C. Henschel
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wireline retrievable injection valve assembly with a variable orifice
Patent number
9,624,755
Issue date
Apr 18, 2017
Tejas Research & Engineering, LLC
Thomas G. Hill
E21 - EARTH DRILLING MINING
Information
Patent Grant
Deep set subsurface safety valve with a micro piston latching mecha...
Patent number
9,441,456
Issue date
Sep 13, 2016
Tejas Research + Engineering, LLC
Thomas G. Hill
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tubing retrievable injection valve assembly
Patent number
9,334,709
Issue date
May 10, 2016
Tejas Research & Engineering, LLC
Thomas G. Hill
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wireline retrievable injection valve assembly with a variable orifice
Patent number
9,217,312
Issue date
Dec 22, 2015
Tejas Research & Engineering, LLC
Thomas G. Hill
E21 - EARTH DRILLING MINING
Information
Patent Grant
Inflow control valve
Patent number
9,103,184
Issue date
Aug 11, 2015
Tejas Research & Engineering, LLC
Thomas G. Hill
E21 - EARTH DRILLING MINING
Information
Patent Grant
Deep set subsurface safety system
Patent number
8,960,298
Issue date
Feb 24, 2015
Tejas Research & Engineering, LLC
Thomas G. Hill
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subsurface safety valve flapper
Patent number
8,701,781
Issue date
Apr 22, 2014
Baker Hughes Incorporated
Robert C. Henschel
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for retaining a soft seal in an integrated fla...
Patent number
7,841,416
Issue date
Nov 30, 2010
BJ Services Company LLC
Robert C. Henschel
E21 - EARTH DRILLING MINING
Information
Patent Grant
Safety valve torsional spring assembly and method
Patent number
7,798,235
Issue date
Sep 21, 2010
BJ Services Company LLC
Maximiliano Mondelli
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Curved flapper with angle variant seat for a subsurface safety valve
Patent number
6,851,477
Issue date
Feb 8, 2005
Weatherford/Lamb, Inc.
Thomas G. Hill, Jr.
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
LOW-POWER ELECTRIC SAFETY VALVE
Publication number
20190203564
Publication date
Jul 4, 2019
Chevron U.S.A. Inc.
Robert C. Henschel
E21 - EARTH DRILLING MINING
Information
Patent Application
Tubing Retrievable Injection Valve Assembly
Publication number
20180313189
Publication date
Nov 1, 2018
TEJAS RESEARCH AND ENGINEERING, LLC
Thomas G. Hill
E21 - EARTH DRILLING MINING
Information
Patent Application
Tubing Retrievable Injection Valve Assembly
Publication number
20180010423
Publication date
Jan 11, 2018
TEJAS RESEARCH AND ENGINEERING, LLC
Thomas G. Hill
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DEEP SET SUBSURFACE SAFETY VALVE WITH A MICRO PISTON LATCHING MECHA...
Publication number
20160356121
Publication date
Dec 8, 2016
TEJAS RESEARCH AND ENGINEERING, LLC
Thomas G. Hill
E21 - EARTH DRILLING MINING
Information
Patent Application
Tubing Retrievable Injection Valve Assembly
Publication number
20160230506
Publication date
Aug 11, 2016
TEJAS RESEARCH AND ENGINEERING, LLC
Thomas G. Hill
E21 - EARTH DRILLING MINING
Information
Patent Application
WIRELINE RETRIEVABLE INJECTION VALVE ASSEMBLY WITH A VARIABLE ORIFICE
Publication number
20160069156
Publication date
Mar 10, 2016
TEJAS RESEARCH AND ENGINEERING, LLC
Thomas G. Hill
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and Apparatus for Inserting a Tubular String into a Well
Publication number
20150204163
Publication date
Jul 23, 2015
TEJAS RESEARCH AND ENGINEERING, LLC
Thomas G. Hill
E21 - EARTH DRILLING MINING
Information
Patent Application
Inflow Control Valve
Publication number
20140251613
Publication date
Sep 11, 2014
TEJAS RESEARCH AND ENGINEERING, LLC
Thomas G. Hill
E21 - EARTH DRILLING MINING
Information
Patent Application
Safety System for Wells Having a Cable Deployed Electronic Submersi...
Publication number
20140110122
Publication date
Apr 24, 2014
TEJAS RESEARCH AND ENGINEERING, LLC
Robert C. Henschel
E21 - EARTH DRILLING MINING
Information
Patent Application
Deep Set Subsurface Safety Valve with a Micro Piston Latching Mecha...
Publication number
20140020904
Publication date
Jan 23, 2014
Thomas G. Hill
E21 - EARTH DRILLING MINING
Information
Patent Application
WIRELINE RETRIEVABLE INJECTION VALVE ASSEMBLY WITH A VARIABLE ORIFICE
Publication number
20130220624
Publication date
Aug 29, 2013
TEJAS RESEARCH AND ENGINEERING, LLC
Thomas G. Hill
E21 - EARTH DRILLING MINING
Information
Patent Application
DEEP SET SUBSURFACE SAFETY SYSTEM
Publication number
20130199791
Publication date
Aug 8, 2013
TEJAS RESEARCH AND ENGINEERING, LLC
Thomas G. Hill
E21 - EARTH DRILLING MINING
Information
Patent Application
TUBING RETRIEVABLE INJECTION VALVE ASSEMBLY
Publication number
20130081824
Publication date
Apr 4, 2013
TEJAS RESEARCH & ENGINEERING, LLC
Thomas G. Hill
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Subsurface Safety Valve Flapper
Publication number
20120111575
Publication date
May 10, 2012
BAKER HUGHES INCORPORATED
Robert C. Henschel
E21 - EARTH DRILLING MINING
Information
Patent Application
Subsurface Safety Valve Flapper
Publication number
20110114335
Publication date
May 19, 2011
BJ SERVICES COMPANY, LLC
Robert C. Henschel
E21 - EARTH DRILLING MINING
Information
Patent Application
Subsurface Safety Valve Flapper
Publication number
20100175887
Publication date
Jul 15, 2010
BJ Services Company
Robert C. Henschel
E21 - EARTH DRILLING MINING
Information
Patent Application
SAFETY VALVE TORSIONAL SPRING ASSEMBLY AND METHOD
Publication number
20090242209
Publication date
Oct 1, 2009
BJ Services Company
Maximiliano Mondelli
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and apparatus for retaining a soft seal in an integrated fla...
Publication number
20080047713
Publication date
Feb 28, 2008
BJ Services Company
Robert C. Henschel
E21 - EARTH DRILLING MINING
Information
Patent Application
Curved flapper with angle variant seat for a subsurface safety valve
Publication number
20030121664
Publication date
Jul 3, 2003
Thomas G. Hill
E21 - EARTH DRILLING MINING