Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10692135 | System and method for process scheduling | Alex Loucaides, Daniel Clayden, Phillip Carter | 2020-06-23 |
| 9067727 | Apparatus and method for removing materials from a material collection container | R. Lee Roberts, Mark Robert Battaglia, David Stuart Paskman, Andrew Scott Taylor | 2015-06-30 |
| 8992774 | Flume system for a filter system including at least one filter having a filter bed that is periodically washed with liquid, gas or a combination thereof | R. Lee Roberts, Andrew Scott Taylor, Jason Samuel Schmoyer | 2015-03-31 |
| 8889015 | Method of installing an air scour system into a filter bed | R. Lee Roberts | 2014-11-18 |
| 8668092 | System and method for uniformly distributing a fluid through a filter bed in a filter | R. Lee Roberts | 2014-03-11 |
| 8585896 | Apparatus and method for removing impurities from water of wastewater | R. Lee Roberts | 2013-11-19 |
| 8518266 | Dissolved air flotation clarifier | R. Lee Roberts | 2013-08-27 |
| 8409437 | Underdrain system | R. Lee Roberts | 2013-04-02 |
| 8333889 | Flume system for a filter system including at least one filter having a filter bed that is periodically washed with liquid, gas or a combination thereof | R. Lee Roberts, Andrew Scott Taylor, Jason Samuel Schmoyer | 2012-12-18 |
| 8277665 | Method of washing a particulate filter bed using an underdrain | R. Lee Roberts | 2012-10-02 |
| 8266036 | System and method for process scheduling | Alex Loucaides, Daniel Clayden, Phillip Carter | 2012-09-11 |
| 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 |
| 7820043 | Underdrain system | R. Lee Roberts, Jason Samuel Schmoyer, Aleksandr Ilyin | 2010-10-26 |
| 7771597 | Filter system | — | 2010-08-10 |
| 7758750 | Flume for a filter system including at least one filter having a filter bed that is periodically washed with liquid, gas or a combination thereof | R. Lee Roberts | 2010-07-20 |
| 7736506 | System and method for uniformly distributing a fluid through a filter bed in a filter | R. Lee Roberts | 2010-06-15 |
| D565148 | Underdrain | — | 2008-03-25 |
| 7288193 | Apparatus for directing fluids through a filter system | R. Lee Roberts | 2007-10-30 |
| 7288194 | Underdrain system | R. Lee Roberts | 2007-10-30 |
| D519601 | Underdrain | — | 2006-04-25 |