Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11459261 | Procedure for obtaining and improving pumpability of high to very high biosolids containing dewatered sewage sludge | — | 2022-10-04 |
| 10196293 | Procedure for stabilizing high pH levels in biosolids-containing processed sewage product | — | 2019-02-05 |
| 9504969 | Shearing fibrous bio-sludge | Ajay Pratap Singh | 2016-11-29 |
| 9260322 | Sludge treatment system | Ajay Pratap Singh, Frederick Alan Mosher | 2016-02-16 |
| 9139483 | Contaminant-free fertilizer from liquidized sewage sludge | Ajay Pratap Singh | 2015-09-22 |
| 8349184 | Lowering viscosity of biosolids | Ajay Pratap Singh | 2013-01-08 |
| 8011605 | Liquefying de-watered sludge preparatory to drying | Ajay Pratap Singh | 2011-09-06 |
| 7736511 | Feedback system for enhancing elimination of biomass in sewage sludge | Andrew Jerry Lugowski, George Nakhla, Ajay Pratap Singh, Frederick Alan Mosher | 2010-06-15 |
| 6808636 | Treatment of sewage sludge | Henry Burd | 2004-10-26 |
| 6652752 | Biodegradation of oil sludge | Ajay Pratap Singh | 2003-11-25 |
| 6251058 | Treatment of soil contaminated with hazardous residues | Ajay Pratap Singh, Kate Billingsley | 2001-06-26 |
| 6171500 | Biological process for breaking oil-water emulsions | Ajay Pratap Singh | 2001-01-09 |
| 6153017 | Treatment of soil contaminated with oil or oil residues | Ajay Pratap Singh | 2000-11-28 |
| 5559692 | Customizable data gathering method which allows the user to define the classes of data which are gathered | Eric Telingator, Edward James L. Ross | 1996-09-24 |