Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10872740 | Electrical DC switching system | Zichi Zhang | 2020-12-22 |
| 10837822 | Vehicle weighing scale that determines when the wheels enter or exit a side based on an unbalance current | Marcus TIMMERMAN | 2020-11-17 |
| 10665404 | Electrical DC switching system | Erik Johansson, Zichi Zhang | 2020-05-26 |
| 10614979 | Arc chute with splitter plates interconnected by resistors | Zichi Zhang | 2020-04-07 |