Chan-Ki Chung

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Incheon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Continuous compression wire spring polishing apparatus configured t...
- Patent number 10,821,569
- Issue date Nov 3, 2020
- DAEWON APPLIED ENG. CO.
- Chan-Ki Chung
- B24 - GRINDING POLISHING
Information Patent Grant
Coolant spray module system for heat treated metal product
- Patent number 10,767,240
- Issue date Sep 8, 2020
- DAEWON APPLIED ENG. CO.
- Chan-Ki Chung
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Continuous shot peening apparatus and method for coil spring
- Patent number 10,335,921
- Issue date Jul 2, 2019
- DAEWON APPLIED ENG. CO.
- Chan-Ki Chung
- B24 - GRINDING POLISHING
Information Patent Grant
Continuous heating device for coil springs and heating method for c...
- Patent number 9,744,585
- Issue date Aug 29, 2017
- DAEWON APPLIED ENG. CO.
- Chan-Ki Chung
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MANUFACTURING IMPELLER BLADE OF SHOT PEENING MACHINE AND...
- Publication number 20200180110
- Publication date Jun 11, 2020
- DAEWON APPLIED ENG. CO
- Chan-Ki CHUNG
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
COOLANT SPRAY MODULE SYSTEM FOR HEAT TREATED METAL PRODUCT
- Publication number 20200032361
- Publication date Jan 30, 2020
- DAEWON APPLIED ENG. CO
- Chan-Ki CHUNG
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
Continuous Compression Wire Spring Polishing Apparatus Configured t...
- Publication number 20180339389
- Publication date Nov 29, 2018
- DAEWON APPLIED ENG. CO
- Chan-Ki CHUNG
- B24 - GRINDING POLISHING