Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11851355 | Methods and systems for digesting biosolids and recovering phosphorus | Justin Wippo, John H. Graham, Jr. | 2023-12-26 |
| 8221627 | Nitrification and denitrification of digested biosolids | Kevin L. Staton, Jim Eloff | 2012-07-17 |
| 6719903 | Process and apparatus for treating biosolids from wastewater treatment | Jeffrey D. Williamson | 2004-04-13 |
| 6514411 | Process for controlling foam in a treatment reactor | Jeffrey D. Williamson | 2003-02-04 |
| 6203701 | Process and apparatus for treating biosolids from wastewater treatment | Jeffrey D. Williamson | 2001-03-20 |
| 6168717 | Process for controlling foam in a treatment reactor | Jeffrey D. Williamson | 2001-01-02 |
| 5948261 | Process for treating biosolids from wastewater treatment | — | 1999-09-07 |