Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8673152 | Methods for polishing wastewater utilizing a bed of commingled bauxite residue and iron filings | John R. Smith, Jaw K. Fu, Rajat Ghosh, Kevin Kitzman, Jonell Kerkhoff +4 more | 2014-03-18 |
| 8206586 | Systems for polishing wastewater utilizing natural media filtration | John R. Smith, Jaw K. Fu, Rajat Ghosh, Kevin Kitzman, Jonell Kerkhoff +4 more | 2012-06-26 |
| 8157995 | Systems for treating water using iron | Rajat Ghosh, Kevin Kitzman, John R. Smith | 2012-04-17 |
| 7897049 | Methods for treating water using iron | Rajat Ghosh, Kevin Kitzman, John R. Smith | 2011-03-01 |