Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7563374 | Continuous multistage thermophilic aerobic and aerobic-anaerobic sludge treatment process | Prakash G. Balan, Bradley A. Swope | 2009-07-21 |
| 7329340 | Continuous multistage thermophilic aerobic and aerobic-anaerobic sludge treatment systems | Prakash G. Balan, Bradley A. Swope | 2008-02-12 |
| 6966983 | Continuous multistage thermophilic aerobic sludge digestion system | Prakash G. Balan, Bradley A. Swope | 2005-11-22 |
| 6877959 | Surface aeration impellers | — | 2005-04-12 |
| 6860631 | Surface aeration impeller designs | Prakash G. Balan | 2005-03-01 |
| 6715912 | Surface aeration impellers | Prakash G. Balan | 2004-04-06 |
| 6464384 | Mixer systems | Paul Kubera, Bradley S. Dominik, Prakash G. Balan | 2002-10-15 |
| 6299776 | Biochemical oxidation system and process | James L. Stanton, Paul Kubera | 2001-10-09 |
| 5988604 | Mixing impellers especially adapted for use in surface aeration | — | 1999-11-23 |
| 5972661 | Mixing systems | Paul Kubera, Bradley S. Dominik, Prakash G. Balan | 1999-10-26 |