Sang In JANG

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Incheon, KR

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Patents Grantslast 30 patents

Information Patent Grant
Pipe connector
- Patent number D1006200
- Issue date Nov 28, 2023
- ESSEN TECH CO., LTD.
- Ji Ho Kwak
- D23 - Environmental heating and cooling
Information Patent Grant
Pipe connector
- Patent number D1005456
- Issue date Nov 21, 2023
- ESSEN TECH CO., LTD.
- Ji Ho Kwak
- D23 - Environmental heating and cooling
Information Patent Grant
Connecting device for piping
- Patent number 11,619,333
- Issue date Apr 4, 2023
- ESSEN TECH CO., LTD.
- Ji Ho Kwak
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pipe connector
- Patent number D943715
- Issue date Feb 15, 2022
- ESSEN TECH CO., LTD.
- Ji Ho Kwak
- D23 - Environmental heating and cooling
Information Patent Grant
Connecting device for piping
- Patent number 11,060,648
- Issue date Jul 13, 2021
- ESSEN TECH CO., LTD.
- Ji Ho Kwak
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Pipe connector
- Patent number D924376
- Issue date Jul 6, 2021
- ESSEN TECH CO., LTD.
- Ji Ho Kwak
- D23 - Environmental heating and cooling
Information Patent Grant
Pipe connector
- Patent number D924377
- Issue date Jul 6, 2021
- ESSEN TECH CO., LTD.
- Ji Ho Kwak
- D23 - Environmental heating and cooling

Patents Applicationslast 30 patents

Information Patent Application
CONNECTING DEVICE FOR PIPING
- Publication number 20220042636
- Publication date Feb 10, 2022
- ESSEN TECH CO., LTD.
- Ji Ho KWAK
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
CONNECTING DEVICE FOR PIPING
- Publication number 20210033233
- Publication date Feb 4, 2021
- ESSEN TECH CO., LTD.
- Ji Ho KWAK
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...