Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10913014 | Multiple rate filter underdrain lateral gas metering plate | Dean T. Berkebile, Ivan Zhu | 2021-02-09 |
| 10881989 | Self-cleaning, groutless, filter underdrain | Dean T. Berkebile, Scott R. Cable, Robert J. Green, Howard J. Sweeney, Robert Lee Wiley, Jr. | 2021-01-05 |
| 10881990 | Filter media retainer and underdrain system having a filter media retainer | Robert J. Green, Howard J. Sweeney, Robert Lee Wiley, Jr. | 2021-01-05 |