Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11091368 | Methods and systems for recovering phosphorus from wastewater including digestate recycle | — | 2021-08-17 |
| 10189711 | Methods and systems for recovering phosphorus from wastewater including digestate recycle | — | 2019-01-29 |
| 10099926 | Methods and compositions for chemical drying and producing struvite | — | 2018-10-16 |
| 9334166 | Methods and compositions for chemical drying and producing struvite | — | 2016-05-10 |
| 8747672 | Process and system for recovering phosphorus from wastewater | — | 2014-06-10 |
| 8158089 | Compositions and methods for wastewater treatment | Tianxi Zhang, Joseph H. Harrison, Shulin Chen | 2012-04-17 |
| 7005072 | Method for removing phosphorus from waste lagoon effluent | Philip W. Westerman | 2006-02-28 |
| 6994782 | Apparatus for removing phosphorus from waste lagoon effluent | Philip W. Westerman | 2006-02-07 |