Sedong Chang

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Refrigerant system and method for controlling the same
- Patent number 9,103,570
- Issue date Aug 11, 2015
- LG Electronics Inc.
- Jiyoung Jang
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Air conditioner having plural compressors with oil bypass unit
- Patent number 8,820,103
- Issue date Sep 2, 2014
- LG Electronics Inc.
- Hojong Jeong
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

Information Patent Application
REFRIGERANT SYSTEM
- Publication number 20110192183
- Publication date Aug 11, 2011
- Doyong HA
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERANT SYSTEM
- Publication number 20110192181
- Publication date Aug 11, 2011
- Haeyen YI
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
REFRIGERANT SYSTEM AND METHOD FOR CONTROLLING THE SAME
- Publication number 20110174002
- Publication date Jul 21, 2011
- Jiyoung JANG
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Application
Air Conditioner
- Publication number 20110155816
- Publication date Jun 30, 2011
- Hojong JEONG
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...