Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8623202 | Infiltration/inflow control for membrane bioreactor | — | 2014-01-07 |
| 8318028 | Infiltration/inflow control for membrane bioreactor | — | 2012-11-27 |
| 8293098 | Infiltration/inflow control for membrane bioreactor | George W. Smith | 2012-10-23 |
| 7713413 | Aerated anoxic membrane bioreactor | — | 2010-05-11 |
| 7510655 | Process to improve the efficiency of a membrane filter activated sludge system | — | 2009-03-31 |
| 7481933 | Process to improve the efficiency of a membrane filter activated sludge system | — | 2009-01-27 |
| 7344643 | Process to enhance phosphorus removal for activated sludge wastewater treatment systems | Robert Elefritz | 2008-03-18 |
| 5516211 | Ball transfer unit | Douglas K. Leirmoe, Kenneth J. Piecuch | 1996-05-14 |