Jeong Gi Yu

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Gwangmyeong-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Bell mouth, air supply assembly including the bell mouth, and air s...
- Patent number 11,408,641
- Issue date Aug 9, 2022
- Kyungdong Navien Co., Ltd.
- Jun Kyu Park
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Condensing combustion apparatus
- Patent number 10,823,455
- Issue date Nov 3, 2020
- Kyungdong Navien Co., Ltd.
- Jun Kyu Park
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Dual venturi for combustion apparatus
- Patent number 10,393,370
- Issue date Aug 27, 2019
- Kyungdong Navien Co., Ltd.
- Jeong Gi Yu
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Dual venturi for water heater
- Patent number 9,709,264
- Issue date Jul 18, 2017
- Kyungdong Navien Co., Ltd.
- Jeong Gi Yu
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Dual venturi for water heater
- Patent number 9,644,839
- Issue date May 9, 2017
- Kyungdong Navien Co., Ltd.
- Jeong Gi Yu
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
BELL MOUTH, AIR SUPPLY ASSEMBLY INCLUDING THE BELL MOUTH, AND AIR S...
- Publication number 20210071911
- Publication date Mar 11, 2021
- KYUNGDONG NAVIEN CO., LTD.
- Jun Kyu PARK
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
CONDENSING COMBUSTION APPARATUS
- Publication number 20180363948
- Publication date Dec 20, 2018
- KYUNGDONG NAVIEN CO., LTD.
- Jun Kyu PARK
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
DUAL VENTURI FOR WATER HEATER
- Publication number 20150064636
- Publication date Mar 5, 2015
- Jeong Gi Yu
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
DUAL VENTURI FOR WATER HEATER
- Publication number 20150064637
- Publication date Mar 5, 2015
- Jeong Gi Yu
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Application
DUAL VENTURI FOR COMBUSTION APPARATUS
- Publication number 20150056564
- Publication date Feb 26, 2015
- KYUNGDONG NAVIEN CO., LTD.
- Jeong Gi Yu
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES