Chau Hoang

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Locking energizing ring
- Patent number 11,542,774
- Issue date Jan 3, 2023
- Baker Hughes Oilfield Operations LLC
- Ashley Garibay
- E21 - EARTH DRILLING MINING
Information Patent Grant
Anti-rotation wedge
- Patent number 9,890,598
- Issue date Feb 13, 2018
- Vetco Gray Inc.
- Thomas L. Steen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Seal assembly for a casing hanger
- Patent number 8,870,186
- Issue date Oct 28, 2014
- Vetco Gray Inc.
- Chau Hoang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self aligning spherical backseat assembly for a valve
- Patent number 8,672,290
- Issue date Mar 18, 2014
- Vetco Gray Inc.
- Chau Hoang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Shearing gate valve
- Patent number 6,454,015
- Issue date Sep 24, 2002
- ABB Vetco Gray Inc.
- John Taylor Armstrong
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
LOCKING ENERGIZING RING
- Publication number 20210363853
- Publication date Nov 25, 2021
- Baker Hughes Oilfield Operations LLC
- Ashley Garibay
- E21 - EARTH DRILLING MINING
Information Patent Application
Anti-Rotation Wedge
- Publication number 20140166308
- Publication date Jun 19, 2014
- Vetco Gray Inc.
- Thomas L. Steen
- E21 - EARTH DRILLING MINING
Information Patent Application
Valve Actuator with Degressive Characteristic Spring
- Publication number 20140061522
- Publication date Mar 6, 2014
- Vetco Gray Inc.
- Mihirkumar Pravinbhai Patel
- E21 - EARTH DRILLING MINING
Information Patent Application
Seal Assembly For A Casing Hanger
- Publication number 20140062025
- Publication date Mar 6, 2014
- Vetco Gray Inc.
- Chau Hoang
- E21 - EARTH DRILLING MINING
Information Patent Application
METAL TO METAL PACKOFF FOR USE IN A WELLHEAD ASSEMBLY
- Publication number 20130341051
- Publication date Dec 26, 2013
- Vetco Gray, Inc.
- William Thompson Higgins
- E21 - EARTH DRILLING MINING
Information Patent Application
SELF ALIGNING SPHERICAL BACKSEAT ASSEMBLY FOR A VALVE
- Publication number 20130240774
- Publication date Sep 19, 2013
- Vetco Gray Inc.
- Chau Hoang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...