Qingdao
China
3
2024-07-11
The entities that hold a legal rights for patent applications filed by inventor YANG Ning:
Ning YANG from Qingdao, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
Efficient biodegradable dust suppressant for open-pit mine and preparation method therefor
#2 | 2023-10-12Self-growing dispersed particle gel active mobility control system and fluid channeling control method for low-permeability-tight reservoir
#3 | 2022-02-15Multi-grafting site carbon nanomaterial and activated carbon nanomaterial and preparation method thereof and displacement system for ultra-low permeability oil reservoirs
5876342 ⎘