LC

Lap Lam Chui

JC Jiangsu Jointek Precision Machinery Co.: 2 patents #1 of 1Top 100%
Overall (2022): #136,843 of 548,613Top 25%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11377980 Self-resetting single-valve double-piston hydraulic drive device and method for overhead cam engine — 2022-07-05
11377981 Self-resetting single-valve hydraulic drive device and method based on primary and secondary pistons for push rod engine — 2022-07-05