Robert Jen-Yue Du

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Wellbore seal energizing ring with retaining feature
- Patent number 10,822,907
- Issue date Nov 3, 2020
- Vetco Gray Inc.
- Robert Jen-Yue Du
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellbore seal energizing ring with retaining feature
- Patent number 10,233,711
- Issue date Mar 19, 2019
- Vetco Gray, LLC
- Robert Jen-Yue Du
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Wellhead metal seal with energizing ring having trapped fluid reliefs
- Patent number 9,982,503
- Issue date May 29, 2018
- Vetco Gray, LLC
- Joseph W. Pallini
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellbore sealing with hybrid wicker system
- Patent number 9,732,582
- Issue date Aug 15, 2017
- Vetco Gray Inc.
- Mayur Mansukh
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
WELLBORE SEAL ENERGIZING RING WITH RETAINING FEATURE
- Publication number 20190234169
- Publication date Aug 1, 2019
- Vetco Gray, LLC
- Robert Jen-Yue Du
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Wellhead Metal Seal with Energizing Ring Having Trapped Fluid Reliefs
- Publication number 20170284165
- Publication date Oct 5, 2017
- Vetco Gray Inc.
- Joseph W. Pallini
- E21 - EARTH DRILLING MINING
Information Patent Application
Wellbore Seal Energizing Ring with Retaining Feature
- Publication number 20170122058
- Publication date May 4, 2017
- Vetco Gray Inc.
- Robert Jen-Yue Du
- E21 - EARTH DRILLING MINING
Information Patent Application
Wellbore Sealing With Hybrid Wicker System
- Publication number 20160090811
- Publication date Mar 31, 2016
- Vetco Gray Inc.
- Mayur Mansukh
- E21 - EARTH DRILLING MINING