HL

Heping Liu

Overall (2022): #435,637 of 548,613Top 80%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11359614 Power head of vertical reciprocating pump with multi-spherical connection, and water injection pump using the same Minghai Chen, Yingfeng Chen 2022-06-14