Ui-Seok Yoon

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Changwon-City, KR

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Patents Grantslast 30 patents

Information Patent Grant
Hot formed coiling machine
- Patent number 9,744,584
- Issue date Aug 29, 2017
- Dae Won Kang Up Co., Ltd.
- Chan-Gi Jung
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Compression line spring grinding device
- Patent number 9,718,162
- Issue date Aug 1, 2017
- Dae Won Kang Up Co., Ltd.
- Chan-Gi Jung
- B24 - GRINDING POLISHING
Information Patent Grant
Apparatus and method for grinding compression line spring
- Patent number 9,694,463
- Issue date Jul 4, 2017
- Dae Won Kang Up Co., Ltd.
- Chan-Gi Jung
- B24 - GRINDING POLISHING
Information Patent Grant
Apparatus for stress shot peening of coil spring
- Patent number 8,328,603
- Issue date Dec 11, 2012
- Dae Won Kang Up Co., Ltd.
- Chan-Gi Jung
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
COMPRESSION LINE SPRING GRINDING DEVICE AND GRINDING METHOD
- Publication number 20150352685
- Publication date Dec 10, 2015
- DAEWON KANG UP CO., LTD.
- Chan-Gi JUNG
- B24 - GRINDING POLISHING
Information Patent Application
APPARATUS AND METHOD FOR GRINDING COMPRESSION LINE SPRING
- Publication number 20150298277
- Publication date Oct 22, 2015
- DAE WON KANG UP CO., LTD.
- Chan-Gi Jung
- B24 - GRINDING POLISHING
Information Patent Application
HOT FORMED COILING MACHINE
- Publication number 20150273565
- Publication date Oct 1, 2015
- DAE WON KANG UP CO., LTD.
- Chan-Gi Jung
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
APPARATUS FOR STRESS SHOT PEENING OF COIL SPRING
- Publication number 20110053471
- Publication date Mar 3, 2011
- DAE WON KANG UP CO., LTD.
- Chan-Gi Jung
- B24 - GRINDING POLISHING