Houston, Texas
United States
3
2020-07-30
The entities that hold a legal rights for patent applications filed by inventor Du Di:
Di Du from Houston, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Drilling fluid contamination determination for downhole fluid sampling tool
#2 | 2019-04-04Drilling fluid contamination determination for downhole fluid sampling tool
#3 | 2019-01-17Fluid characterization and phase envelope prediction from downhole fluid sampling tool
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