Hee Yoon CHUNG

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Changwon-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Auxiliary power unit for reducing flow loss of gas
- Patent number 11,365,651
- Issue date Jun 21, 2022
- HANWHA AEROSPACE CO., LTD
- Yong Sang Yoon
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Information Patent Application
EXHAUST DUCT AND EXHAUST DUCT ASSEMBLY AND AIRCRAFT USING THE EXHAU...
- Publication number 20210215121
- Publication date Jul 15, 2021
- HANWHA AEROSPACE CO., LTD.
- Young Jung JOO
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
AUXILIARY POWER UNIT FOR REDUCING FLOW LOSS OF GAS
- Publication number 20200182092
- Publication date Jun 11, 2020
- HANWHA AEROSPACE CO., LTD.
- Yong Sang YOON
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES