Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11904278 | Electrodialysis stack | John H. Barber, Yongchang Zheng, Russell James MacDonald | 2024-02-20 |
| 11484839 | Electrodialysis stack | John H. Barber, Yongchang Zheng, Russell James MacDonald | 2022-11-01 |
| 9790109 | Method for sanitizing an electrodeionization device | John H. Barber | 2017-10-17 |