Young M. Ryoo

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Ansan, KR

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Patents Grantslast 30 patents

Information Patent Grant
Combustion control circuit of combustion apparatus
- Patent number 5,775,236
- Issue date Jul 7, 1998
- Haitai Electronics Co., Ltd.
- Gordon William Fenn
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Combustion-state detecting circuit of combustion apparatus
- Patent number 5,775,895
- Issue date Jul 7, 1998
- Haitai Electronics Co., Ltd.
- Gordon William Fenn
- F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information Patent Grant
Heat exchanger
- Patent number 5,566,648
- Issue date Oct 22, 1996
- Frontier, Inc.
- Gordon W. Fenn
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Gas quick water heater
- Patent number 5,526,776
- Issue date Jun 18, 1996
- Frontier, Inc.
- Gordon W. Fenn
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
HEAT EXCHANGER TUBE
- Publication number 20150267970
- Publication date Sep 24, 2015
- GRAND HALL ENTERPRISE CO., LTD.
- William Home
- F28 - HEAT EXCHANGE IN GENERAL