Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8070946 | Underdrain for a filter system for filtering water or wastewater and a method of washing the filter system | R. Lee Roberts | 2011-12-06 |
| 8052870 | Underdrain system | R. Lee Roberts | 2011-11-08 |
| 8052871 | Underdrain system | R. Lee Roberts | 2011-11-08 |
| 8032439 | System and method for process scheduling | Alex Loucaides, Daniel Clayden, Phillip Carter | 2011-10-04 |
| 7927485 | System for filtering water or wastewater | R. Lee Roberts, Karl M. Kyriss | 2011-04-19 |
| 7922903 | System and method for uniformly distributing a fluid through a filter bed in a filter | R. Lee Roberts | 2011-04-12 |