Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11498884 | System for resource recovery from poultry processing wastewater | William Michael Fields, Guichun Zhang | 2022-11-15 |
| 11485650 | System for recovering fat, oil and grease from wastewater | William Michael Fields, Guichun Zhang | 2022-11-01 |
| 11214504 | Bio-DAF system for domestic and industrial wastewater treatment | William Michael Fields, Guichun Zhang | 2022-01-04 |
| 8632685 | Multistage DAF-advanced oxidation system | Alfred TYLER, William Michael Fields | 2014-01-21 |