Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12319582 | Method of making AEI-type zeolites having a high silica to alumina molar ratio (SAR) | Yunkui Li, De Gao, David Shepard, Wei Wu, Jeffery Lachapelle | 2025-06-03 |
| 12060280 | Method of making AEI-type zeolites having a high silica to alumina ratio (SAR) | Yunkui Li, David Shepard, De Gao, Wei Wu, Jeffery Lachapelle | 2024-08-13 |
| 8570170 | Electronic device and method for noise alerting | — | 2013-10-29 |
| 6645439 | Exhaust gas clean-up catalyst | Tomotaka Hirota, Yasunori Kurashima, Hideaki Muraki | 2003-11-11 |