Inventor
WU YINGXUE
CN2 patents
Patents
2 patentsUS9927029B2Mar 27, 2018
Multilayer multi-element composite hard pvd coating on the surface of a piston ring, a piston ring and a preparation process
ASIMCO SHUANGHUAN PISTON RING YIZHENG CO LTD2 citations65
US11215283B2Jan 4, 2022
Diamond-like coating for piston ring surfaces, piston ring and processes for preparing the same
ASIMCO SHUANGHUAN PISTON RING YIZHENG CO LTD0 citations44