Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9297558 | Refrigerating system | Jae Heuk Choi, Yoon Ho Yoo, Do Yong Ha | 2016-03-29 |
| 9127865 | Air conditioning system including a bypass pipe | Song Choi, Yun Ho Ryu, Kyung-Won Seo | 2015-09-08 |
| 8567203 | Air conditioner and defrosting operation method of the same | Ji-Young Jang, Chi-Woo Song, Sai Kee Oh | 2013-10-29 |
| 8474727 | Air conditioner and method for controlling the same | Ju-youn Lee, Jae Dong Jang | 2013-07-02 |
| 8459051 | Air conditioner and method of controlling the same | Ho Jong Jeong, Chi-Woo Song, Sai Kee Oh | 2013-06-11 |
| 8416101 | Air conditioner and method for controlling a light unit having a predetermined color temperature | Ju-youn Lee, Jae Dong Jang | 2013-04-09 |
| 8393173 | Combined refrigerating/freezing and air conditioning system | Jae Heuk Choi, Tae-Hee Kwak, Yoon Ho Yoo, Do Yong Ha | 2013-03-12 |
| 8141376 | Air conditioning system having a pressure compensation device | Song Choi, Yun Ho Ryu | 2012-03-27 |
| 8091377 | Simultaneous heating/cooling multi air conditioner | Ho Jong Jeong, Il Nahm Hwang | 2012-01-10 |
| 8001802 | Air conditioner | Chang Min Choi, Sai Kee Oh | 2011-08-23 |
| 7823397 | System and method for detecting clogged state of pipe of heat pump type multi-air conditioner | Se Dong Chang, Sung Hwan Kim, Yoon Been Lee | 2010-11-02 |
| 7802440 | Compression system and air conditioning system | Song Choi, Young Min Kim | 2010-09-28 |
| 7735328 | Apparatus and method for monitoring state information in trial run mode of multi-airconditioner | Kwang Woon Kim, Se Dong Chang, Jeong-Eon Oh | 2010-06-15 |
| 7721559 | Multi-type air conditioner and method for controlling the same | Jae Heuk Choi, Yoon Been Lee, Se Dong Chang, Hyung-Soo Kim | 2010-05-25 |
| 7716941 | Multi-type air conditioner with defrosting device | Jong-Han Park, Young Min Park, Chang Seon Lee, Sung Oh Choi, Sung Chun Kim +2 more | 2010-05-18 |
| 7690216 | Oil separator for air conditioners | Se Dong Chang, Yoon Been Lee | 2010-04-06 |
| 7673465 | Air-conditioning system and apparatus for protecting the same | Jae Heuk Choi, Yoon Been Lee, Se Dong Chang | 2010-03-09 |
| 7650759 | Apparatus for controlling refrigerant level | Bong-Soo Park, Sai Kee Oh, Chi-Woo Song, Ju Won Kim, Se Dong Chang | 2010-01-26 |
| 7624590 | Multi-type air conditioner | Jae Heuk Choi, Hyung-Soo Kim, Yoon Beon Lee, Se Dong Chang | 2009-12-01 |
| 7621138 | Abnormal state detecting apparatus of multi-type air conditioner and method thereof | Yoon Been Lee, Se Dong Chang, Song Choi | 2009-11-24 |
| 7591720 | Ventilating system | Jeong Yong Kim, Ho Seon Choi, In Ho Choi | 2009-09-22 |
| 7543631 | Exhaust gas heat exchanger for cogeneration system | Cheol-Min Kim, Cheol Soo Ko, Sim Bok Ha | 2009-06-09 |
| 7464563 | Air-conditioner having a dual-refrigerant cycle | Bong-Soo Park, Sai Kee Oh, Chi-Woo Song, Song Choi, Se Dong Chang | 2008-12-16 |
| 7415838 | Second-refrigerant pump driving type air conditioner | Bong-Soo Park, Sai Kee Oh, Chi-Woo Song, Ju Won Kim, Se Dong Chang +1 more | 2008-08-26 |
| 7350365 | Method for controlling cogeneration system | Cheol-Min Kim, Cheol Soo Ko, Sim Bok Ha | 2008-04-01 |