Spring, Texas
United States
3
2018-04-26
The entities that hold a legal rights for patent applications filed by inventor Yun Geng:
Geng Yun from Spring, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Fatigue analysis procedure for drill string
#2 | 2017-02-02SHOCK AND VIBRATION TOOL MODELING
#3 | 2015-11-26Methods for analyzing and optimizing casing while drilling assemblies
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