Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5795140 | Reciprocating compressor having crankshaft with lubrication-conducting grooves on an outer periphery thereof | — | 1998-08-18 |
| 4749752 | Fluoropolymer alloys | Duan Youlu, Jin Shanrong, Huang Tingchun, Yu Xinying | 1988-06-07 |