Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5196043 | Delayed, exothermic, alkaline sterilization method for treating wastewater sludges | — | 1993-03-23 |
| 4997572 | High rate method for alkaline stabilization, beneficiating and pelletizing of wastewater treatment plant sludges | — | 1991-03-05 |
| 4708268 | Method and apparatus for the accurate volumetric feeding of materials | — | 1987-11-24 |
| 4658891 | Method and apparatus for thermally processing viscous, shear sensitive materials | — | 1987-04-21 |
| 4619381 | Method and apparatus for discharging materials from a storage bin | — | 1986-10-28 |
| 4469445 | Wall scraping mixing tool | — | 1984-09-04 |
| 4306978 | Method for lime stabilization of wastewater treatment plant sludges | — | 1981-12-22 |