Jiabiao Ruan

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Gate valve real time health monitoring system, apparatus, program c...
- Patent number 9,726,643
- Issue date Aug 8, 2017
- Vetco Gray Inc.
- David Daniel Comeaux
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
ELECTRIC SUBMERSIBLE PUMP
- Publication number 20180306199
- Publication date Oct 25, 2018
- Halliburton Energy Services Inc.
- Stewart Darold REED
- E21 - EARTH DRILLING MINING
Information Patent Application
Gate Valve Real Time Health Monitoring System, Apparatus, Program C...
- Publication number 20140182381
- Publication date Jul 3, 2014
- Vetco Gray Inc.
- David Daniel Comeaux
- G01 - MEASURING TESTING