Dien Nguyen

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Safety valves for use at extremely high temperatures
- Patent number 11,598,436
- Issue date Mar 7, 2023
- Dresser, LLC
- Andrew Crosby Roberts
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Method and apparatus for positioning a wellhead member including an...
- Patent number 8,689,888
- Issue date Apr 8, 2014
- Vetco Gray Inc.
- Sibu Varghese
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
SAFETY VALVES FOR USE AT EXTREMELY HIGH TEMPERATURES
- Publication number 20220333705
- Publication date Oct 20, 2022
- Dresser, LLC
- Andrew Crosby Roberts
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Overpull Indicator
- Publication number 20120103597
- Publication date May 3, 2012
- Vetco Gray Inc.
- Sibu Varghese
- E21 - EARTH DRILLING MINING