Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6749412 | Check valve retainer for a scroll compressor | Robert Carl Witham | 2004-06-15 |
| 6695201 | Stress relieved lower shell for sealed compressors | Gregory William Hahn | 2004-02-24 |
| 6648616 | Sealed compressor housing with noise reduction features | Tapesh P. Patel, Wei Zhou | 2003-11-18 |
| 6454550 | Weld strengthening component for sealed compressors | Zili Sun, Gregory William Hahn | 2002-09-24 |