YD

Yanhui Du

ST Shandong University Of Science And Technology: 2 patents #6 of 170Top 4%
📍 Qingdao, CN: #94 of 649 inventorsTop 15%
Overall (2024): #102,364 of 561,600Top 20%
2
Patents 2024

Issued Patents 2024

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12117423 Rock stratum grouting water blocking test device and method under mining coupling condition Weitao Liu, Haifeng Wu, Xiangxi Meng, Jiyuan Zhao, Lifu Pang +4 more 2024-10-15
11906481 Grouting and water-plugging device for fractured rock in mine coupling state, and test method Weitao Liu, Haifeng Wu, Xiangxi Meng, Lifu Pang, Mengke Han +1 more 2024-02-20