Chengdu
China
3
2024-03-21
The entities that hold a legal rights for patent applications filed by inventor Qi Minghui:
Minghui Qi from Chengdu, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Classified landfill device and method for garbage landfills
#2 | 2023-02-16Standard sample for measuring rock porosity by helium method
#3 | 2022-01-06Simulation analysis method for injection volume of alternate displacement of shale oil by carbon dioxide and nitrogen
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