Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7600695 | Cogeneration system and method for controlling the same | Chang Min Choi, Won Jae Choi, Hyung Soo Lim, Yoon Jei Hwang | 2009-10-13 |
| 7587894 | Exhaust structure for engine | Chang Min Choi, Won Jae Choi, Hyung Soo Lim, Yoon Jei Hwang | 2009-09-15 |
| 7509817 | Cooling cycle apparatus and method of controlling linear expansion valve of the same | Yoon Jei Hwang, Cheol-Min Kim, Chang Min Choi, Hyung Soo Lim | 2009-03-31 |
| 7481071 | Cooling/heating apparatus using cogeneration system | Chang Min Choi, Won Jae Choi, Hyung Soo Lim, Yoon Jei Hwang | 2009-01-27 |
| 7466034 | Cogeneration system | Chang Min Choi, Won Jae Choi, Hyung Soo Lim, Yoon Jei Hwang | 2008-12-16 |
| 7305840 | Electricity generating and air conditioning system with dehumidifier | Chang Min Choi, Won Jae Choi, Hyung Soo Lim, Yoon Jei Hwang | 2007-12-11 |
| 7243504 | Cogeneration system | Chang Min Choi, Won Jae Choi, Hyung Soo Lim, Yoon Jei Hwang | 2007-07-17 |
| 7240503 | Electricity generating and air conditioning system with dehumidifier | Chang Min Choi, Won Jae Choi, Hyung Soo Lim, Yoon Jei Hwang | 2007-07-10 |
| 7170191 | Electricity generating and air conditioning system with water heater | Chang Min Choi, Won Jae Choi, Hyung Soo Lim, Yoon Jei Hwang | 2007-01-30 |
| 7145258 | Electricity generating and air conditioning system | Chang Min Choi, Won Jae Choi, Hyung Soo Lim, Yoon Jei Hwang | 2006-12-05 |