Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6968708 | Refrigeration system having variable speed fan | Sivakumar Gopalnarayanan, Yu H. Chen, Tobias H. Sienel | 2005-11-29 |
| 6945062 | Heat pump water heating system including a compressor having a variable clearance volume | Yu H. Chen | 2005-09-20 |