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Patents Grantslast 30 patents

Information Patent Grant
Jig for assembling fully welded ball valve
- Patent number 11,041,574
- Issue date Jun 22, 2021
- Joungdae Seo
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ball valve with dual sealing structure
- Patent number 9,995,403
- Issue date Jun 12, 2018
- Joungdae Seo
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
JIG FOR ASSEMBLING FULLY WELDED BALL VALVE
- Publication number 20200292092
- Publication date Sep 17, 2020
- HS Valve Co., Ltd.
- Joungdae Seo
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
BALL VALVE WITH DUAL SEALING STRUCTURE
- Publication number 20180045321
- Publication date Feb 15, 2018
- HS Valve Co., Ltd.
- Joungdae SEO
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...