Qingdao
China
4
2025-09-18
The entities that hold a legal rights for patent applications filed by inventor LIU Junwei:
Junwei LIU from Qingdao, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
SEEPAGE EROSION TEST SYSTEM
#2 | 2023-07-27Fiber pre-dispersing device for fiber reinforced concrete
#3 | 2023-03-21Pile-side lateral static load device
#4 | 2021-11-25P-y curve-based element test device and test method
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