Sichuan
China
2
2021-08-26
The entities that hold a legal rights for patent applications filed by inventor Luo Wei:
Wei Luo from Sichuan, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Intermediate gas concentration-regulating piston pressure device for high-temperature autoclave and gas distribution method
#2 | 2021-07-29Sealing integrity evaluation device for high-temperature and high- pressure casing-cement ring-formation and method thereof
6015906 ⎘