Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9945589 | Rotatory series-pole magnetic refrigerating system | Tianbao Yan, Kewen Long | 2018-04-17 |
| 9818564 | Magnetic proximity switch | Kewen Long, Tianbao Yan | 2017-11-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9945589 | Rotatory series-pole magnetic refrigerating system | Tianbao Yan, Kewen Long | 2018-04-17 |
| 9818564 | Magnetic proximity switch | Kewen Long, Tianbao Yan | 2017-11-14 |