Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10084406 | Speed control of variable-speed multiple-phase motors | Cai Bing Zhang | 2018-09-25 |
| 10013873 | Connecting split HVAC systems to the internet and/or smart utility meters | — | 2018-07-03 |
| 9687022 | Providing heat for use inside a structure | Weihua Guo | 2017-06-27 |
| 9214890 | Speed control of variable-speed multiple-phase motors | Cai Bing Zhang | 2015-12-15 |
| 8898927 | Apparatus and methods for drying material | Weihua Guo | 2014-12-02 |