Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11267737 | Moving bed biofilm reactor system for selenium removal from water and wastewater | Somnath Basu | 2022-03-08 |
| 9896363 | Moving bed biofilm reactor for waste water treatment system | Siva Angappan, Ranjit Nair, Robert Reimers, Jan Oleszkiewicz, Charan Tej Tanneru | 2018-02-20 |
| D661778 | Moving bed bioreactor carrier | Graeme Dempster, Siva Angappan, Jack C. Gardiner | 2012-06-12 |
| 7220361 | Torque-limited drive system, method, and apparatus for a fluid screening system | — | 2007-05-22 |
| 7147784 | Hydraulic or pneumatic drive system, method, and apparatus for a fluid screening system | — | 2006-12-12 |
| 6869524 | Scraper arm for rake screen | — | 2005-03-22 |
| 6719912 | Bar screen system with emergency discharge doors | — | 2004-04-13 |
| 6666977 | Removable bar for bar screen | — | 2003-12-23 |