Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6672084 | Energy saving refrigeration system using composition control with mixed refrigerants | Young I. Cho | 2004-01-06 |
| 6662576 | Refrigeration system with de-superheating bypass | — | 2003-12-16 |
| 6651451 | Variable capacity refrigeration system with a single-frequency compressor | Young-taek Cho | 2003-11-25 |
| 6494935 | Vortex generator | Young I. Cho | 2002-12-17 |
| 6449964 | Regenerative refrigeration system with mixed refrigerants | Young I. Cho | 2002-09-17 |
| 6430937 | Vortex generator to recover performance loss of a refrigeration system | Young I. Cho | 2002-08-13 |
| 6425249 | High efficiency refrigeration system | Young I. Cho | 2002-07-30 |
| 6389818 | Method and apparatus for increasing the efficiency of a refrigeration system | Young I. Cho | 2002-05-21 |
| 6293108 | Regenerative refrigeration system with mixed refrigerants | Young I. Cho | 2001-09-25 |
| 6250086 | High efficiency refrigeration system | Young I. Cho | 2001-06-26 |