Keum Su Jin

Follow

Person

Seoul, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Heat pump system
- Patent number 6,679,321
- Issue date Jan 20, 2004
- Keum Su Jin
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat pump apparatus
- Patent number 6,668,569
- Issue date Dec 30, 2003
- Keum Su Jin
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Heat pump type air conditioning apparatus
- Patent number 6,378,318
- Issue date Apr 30, 2002
- Keum Su Jin
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Heat pump system
- Patent number 6,367,279
- Issue date Apr 9, 2002
- Keum Su Jin
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Heat pump type air conditioning apparatus
- Patent number 6,357,246
- Issue date Mar 19, 2002
- Keum Su Jin
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Drying apparatus
- Patent number 6,321,460
- Issue date Nov 27, 2001
- Keum Su Jin
- F26 - DRYING
Information Patent Grant
Combined drying and refrigerating storehouse
- Patent number 6,295,825
- Issue date Oct 2, 2001
- Keum Su Jin
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Heat pump type air conditioning apparatus
- Patent number 6,050,102
- Issue date Apr 18, 2000
- Keum Su Jin
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
Heat pump system
- Publication number 20030042014
- Publication date Mar 6, 2003
- Keum Su Jin
- F28 - HEAT EXCHANGE IN GENERAL