Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11162600 | Butterfly valve | — | 2021-11-02 |
| 10926966 | Devices for and methods of forming segregated layers from mixtures of granular materials | Paul Umbanhowar, Richard M. Lueptow | 2021-02-23 |