Wuhan
China
2
2025-08-21
The entities that hold a legal rights for patent applications filed by inventor CUI Qinglong:
Qinglong CUI from Wuhan, CN has applied for patents for these inventions. The list has both pending applications and granted patents:
TUNNEL DRAINAGE METHOD FOR LAYING DRAINAGE PIPE BASED ON ULTRA-LONG DISTANCE HORIZONTAL DIRECTIONAL DRILLING
#2 | 2025-05-08PREFABRICATED TUNNEL PRESTRESSED ANCHOR AND MANUFACTURING METHOD AND USE METHOD THEREFOR
7009726 ⎘