Rick L. Stringfellow

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Inserts for variable bore rams
- Patent number 11,603,731
- Issue date Mar 14, 2023
- Baker Hughes Oilfield Operations LLC
- Elliot T. Yendell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Ram blowout preventer piston rod subassembly
- Patent number 9,850,730
- Issue date Dec 26, 2017
- Hydril USA Distribution, LLC
- Ronny Alexander Moya
- E21 - EARTH DRILLING MINING
Information Patent Grant
Blind shear ram
- Patent number 9,822,602
- Issue date Nov 21, 2017
- Hydril USA Distribution, LLC
- Julia Anne Bleck
- E21 - EARTH DRILLING MINING
Information Patent Grant
Riser buoyancy adjustable thrust column
- Patent number 8,322,438
- Issue date Dec 4, 2012
- Vetco Gray Inc.
- Eric D. Larson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Actuation assembly for riser connection dog
- Patent number 8,316,948
- Issue date Nov 27, 2012
- Vetco Gray Inc.
- Rick L. Stringfellow
- E21 - EARTH DRILLING MINING
Information Patent Grant
Marine drilling riser system
- Patent number 8,312,933
- Issue date Nov 20, 2012
- Vetco Gray Inc.
- Eric D. Larson
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
System and method for connecting tubular members
- Patent number 7,913,767
- Issue date Mar 29, 2011
- Vetco Gray Inc.
- Eric D. Larson
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
INSERTS FOR VARIABLE BORE RAMS
- Publication number 20220081987
- Publication date Mar 17, 2022
- Baker Hughes Oilfield Operations LLC
- Elliot T. YENDELL
- E21 - EARTH DRILLING MINING
Information Patent Application
BLIND SHEAR RAM
- Publication number 20160097250
- Publication date Apr 7, 2016
- Hydril USA Distribution, LLC
- Julia Anne Bleck
- E21 - EARTH DRILLING MINING
Information Patent Application
Ram Blowout Preventer Piston Rod Subassembly
- Publication number 20160017685
- Publication date Jan 21, 2016
- Hydril USA Distribution, LLC
- Ronny Alexander Moya
- E21 - EARTH DRILLING MINING
Information Patent Application
ACTUATION ASSEMBLY FOR RISER CONNECTION DOG
- Publication number 20110214877
- Publication date Sep 8, 2011
- Vetco Gray Inc.
- Rick L. Stringfellow
- E21 - EARTH DRILLING MINING
Information Patent Application
Latch System for Friction-Locked Tubular Members
- Publication number 20110174495
- Publication date Jul 21, 2011
- Vetco Gray Inc.
- Eric D. Larson
- E21 - EARTH DRILLING MINING
Information Patent Application
Riser Buoyancy Adjustable Thrust Column
- Publication number 20100270025
- Publication date Oct 28, 2010
- Vetco Gray Inc.
- Eric D. Larson
- E21 - EARTH DRILLING MINING
Information Patent Application
LATCH SYSTEM FOR FRICTION-LOCKED TUBULAR MEMBERS
- Publication number 20090308658
- Publication date Dec 17, 2009
- Eric D. Larson
- E21 - EARTH DRILLING MINING