Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10457962 | Methods of anaerobic digestion of biomass to produce biogas | Jeffrey Ray Zierdt, Joseph Philip Burke | 2019-10-29 |
| 10370681 | Methods of anaerobic digestion of biomass to produce biogas | Jeffrey Ray Zierdt, Joseph Philip Burke | 2019-08-06 |
| 9988646 | Methods of anaerobic digestion of biomass to produce biogas | Jeffrey Ray Zierdt, Joseph Philip Burke | 2018-06-05 |
| 9988647 | Methods of anaerobic digestion of biomass to produce biogas | Jeffrey Ray Zierdt, Joseph Philip Burke | 2018-06-05 |
| 9523102 | Methods of anaerobic digestion of biomass to produce biogas | Jeffrey Ray Zierdt, Joseph Philip Burke | 2016-12-20 |
| 6136194 | Method and device for treating wastewater | Steven M. Vogel | 2000-10-24 |
| 5861095 | Method and device for treating wastewater | Steven M. Vogel | 1999-01-19 |
| 5338452 | High rate anaerobic reactor for primary treatment of high strength wastewater | — | 1994-08-16 |