Hye-Jung LEE

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Pipe fitting having anti-loosening structure
- Patent number 11,873,923
- Issue date Jan 16, 2024
- PPI PYUNGWHA CO., LTD.
- Hye-Jung Lee
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
FIXING CAP ASSEMBLY AND PIPE FITTING INCLUDING THE SAME
- Publication number 20240019054
- Publication date Jan 18, 2024
- PPI CO., LTD.
- Jong-Tae LEE
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
PIPE FITTING HAVING ANTI-LOOSENING STRUCTURE
- Publication number 20200370684
- Publication date Nov 26, 2020
- PPI PYUNGWHA CO., LTD.
- Hye-Jung LEE
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...