Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12220668 | High-flux silicon carbide ceramic filter membrane and preparation method thereof | Linfeng Yuan | 2025-02-11 |
| 6843822 | Filter with varying cell channels | Douglas Munroe Beall | 2005-01-18 |
| 6696132 | Honeycomb with varying channel size and die for manufacturing | Douglas Munroe Beall | 2004-02-24 |
| 6570119 | Method of making extrusion die with varying pin size | — | 2003-05-27 |