Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11791478 | Reduced-temperature sintering of spinel-type coatings and layers with metallic alloy powder precursors | Jiahong Zhu, Yutian Yu | 2023-10-17 |
| 10682592 | Filter system with integral media retainer seal | Howard J. Sweeney | 2020-06-16 |
| 10525382 | Grout support installation method for filter underdrain system | John L. Geibel | 2020-01-07 |
| 10022654 | Gas-liquid distribution technique for water or wastewater filters using underdrains | Dean T. Berkebile, Robert J. Green | 2018-07-17 |
| 9764259 | Grout support installation method for filter underdrain system | John L. Geibel | 2017-09-19 |
| 9480939 | Underdrain and method for transferring forces and directing flow | Christopher J. Ball, Howard J. Sweeney | 2016-11-01 |
| 9365437 | Method and apparatus for monitoring and controlling ozonation and aerated filtration using UV and visible spectral measurement and oxidation reduction potential | Ivan Zhu | 2016-06-14 |
| 9138665 | Filter media retainer assembly | Christopher J. Ball, Howard J. Sweeney | 2015-09-22 |
| 8871093 | Filter media retainer assembly | Christopher J. Ball | 2014-10-28 |
| D687861 | Filter media retainer | Christopher J. Ball | 2013-08-13 |