Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12194188 | Rack for treatment of respiratory masks | Mark E. Zappi, William E. Holmes, Andrei Chistoserdov, Wayne Sharp, Alex Zappi +3 more | 2025-01-14 |
| 11891547 | Production of adhesives and other glue-like materials from unextracted sewage treatment plant sludges, animal manures and animal manure-based sludges, and bacterial/fungal cells and cell components s as derived from culturing operations | William Chirdon, Mark E. Zappi, Chelsea Trahan | 2024-02-06 |
| 11639458 | Drilling mud with enhanced activated sludge additive | Gopi Chand Tripuraneni, Mark E. Zappi | 2023-05-02 |
| 11578411 | Corrosion inhibitor | Liew Go | 2023-02-14 |
| 10947144 | Biorefinery method and system for isolated environments | Mark E. Zappi, Daniel Gang, Emmanuel Revellame, Andrei Chistoserdov, Rakesh Bajpai +2 more | 2021-03-16 |
| 10501674 | Enhanced activated sludge as drilling mud additive | Gopi Chand Tripuraneni, Mark E. Zappi | 2019-12-10 |
| 10479716 | Biorefinery method and system for isolated environments | Mark E. Zappi, Daniel Gang, Emmanuel Revellame, Andrei Chistoserdov, Rakesh Bajpai +2 more | 2019-11-19 |
| 7638314 | Production of biodiesel and other valuable chemicals from wastewater treatment plant sludges | Mark E. Zappi, William French, Stephen Thomas Dufreche, Darrell Sparks | 2009-12-29 |
| D526430 | Front-mounted vehicle brake light | Claudia Hernandez | 2006-08-08 |