Hyun Sik Hwang

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Seoul 152-050, KR

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Patents Grantslast 30 patents

Information Patent Grant
Pulsation reducer using double-sided multilayer waveform spring
- Patent number 10,364,783
- Issue date Jul 30, 2019
- Hyun Sik Hwang
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Connector of a fuel pipe for vehicle
- Patent number 6,652,007
- Issue date Nov 25, 2003
- Hyun Sik Hwang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
PULSATION DAMPER USING SINGLE-SIDED DISK SPRING
- Publication number 20200332751
- Publication date Oct 22, 2020
- Hyun Sik HWANG
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Application
PULSATION REDUCER USING DOUBLE-SIDED MULTILAYER WAVEFORM SPRING
- Publication number 20180216590
- Publication date Aug 2, 2018
- Hyun Sik HWANG
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS