Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10926219 | Gas filters for basic contaminants | James Langer, Weihua Zheng, Erich Diesel, Chaoyi Ba, James Economy +1 more | 2021-02-23 |
| 10639588 | Gas filters for acidic contaminants | Chaoyi Ba, Weihua Zheng, Erich Diesel, James Langer, James Economy +1 more | 2020-05-05 |