Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814554 | Vortex compressor | Lung-Tsai Chang | 2004-11-09 |
| 6796779 | Scroll compressor ring having a lubricant gap | Lung-Tsai Chang | 2004-09-28 |
| 6739847 | Structure of check valve with silencing cover | Lung-Tsai Chang, Chung-Pen Chiu | 2004-05-25 |
| 6672852 | Lubricant filling device for scroll compressor | Lung-Tsai Chang, Chung-Pen Chiu | 2004-01-06 |