Chang; Sedong
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chang; Sedong.The latest application filed is for "refrigerant system".
- Chang; Sedong - Seoul N/A KR
| Patent | Date |
|---|---|
| Refrigerant system and method for controlling the same Grant 9,103,570 - Jang , et al. August 11, 2 | 2015-08-11 |
| Air conditioner having plural compressors with oil bypass unit Grant 8,820,103 - Jeong , et al. September 2, 2 | 2014-09-02 |
| Refrigerant System App 20110192181 - YI; Haeyen ; et al. | 2011-08-11 |
| Refrigerant System App 20110192183 - HA; Doyong ; et al. | 2011-08-11 |
| Refrigerant System And Method For Controlling The Same App 20110174002 - JANG; Jiyoung ; et al. | 2011-07-21 |
| Air Conditioner App 20110155816 - JEONG; Hojong ; et al. | 2011-06-30 |
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