Qingdao
China
3
2020-07-09
The entities that hold a legal rights for patent applications filed by inventor LU Wei:
Wei LU from Qingdao, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Ground wellhole dedicated protective pipe for gas extraction of mining-induced area
#2 | 2019-10-24Dynamically self-balancing pressurized borehole-sealing apparatus and method thereof for coal seam gas pressure measurement
#3 | 2012-01-12Breeding method for orange-adductor-muscle scallop
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