HL

Hong Li

CC Crrc Qingdao Sifang Co.: 2 patents #5 of 60Top 9%
📍 Shandong, CN: #17 of 381 inventorsTop 5%
Overall (2021): #80,803 of 548,734Top 15%
3
Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11186298 Train window structure and train with train window structure Kainan Mao, Yali Jia, Yu Zeng, Shanshan Wang, Peng Gao 2021-11-30
11103982 Wrench structure Jian Li 2021-08-31
11077870 Side sliding door of railway vehicle Shanfei Li, Wenbiao Li, Jiao Wang, Sansan Ding 2021-08-03