Woo Seok SHIM

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Gyeonggi-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Piston for internal combustion engine, and cooling channel core
- Patent number 10,100,777
- Issue date Oct 16, 2018
- Dong Yang Piston Co., Ltd.
- In Cheol Yoo
- B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

Information Patent Application
PISTON FOR INTERNAL COMBUSTION ENGINE, AND COOLING CHANNEL CORE
- Publication number 20170314504
- Publication date Nov 2, 2017
- DONG YANG PISTON CO., LTD.
- In Cheol YOO
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS