Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11111918 | Rotary device, rotary system, and fluid machinery, to which press-actuated gate valve mechanism is applied | Frank Yao | 2021-09-07 |
| 10215025 | Rotation device and rotor compressor and fluid motor having the same | Frank Yao | 2019-02-26 |
| 9322272 | Planetary rotary type fluid motor or engine and compressor or pump | Frank Yao | 2016-04-26 |
| 9017440 | Vortex device for separating cold gas and hot gas | Zhen Yao | 2015-04-28 |