Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10112128 | Apparatus for securing underdrain filter block | Christopher J. Ball, Daniel E. Bruce | 2018-10-30 |
| 10052572 | Underdrain filter block | Daniel E. Bruce, Christopher J. Ball | 2018-08-21 |
| 10022654 | Gas-liquid distribution technique for water or wastewater filters using underdrains | Brian J. Bates, Robert J. Green | 2018-07-17 |