RR

R. Lee Roberts

RD Rg Delaware: 33 patents #1 of 7Top 15%
RM Roberts Filter Manufacturing: 7 patents #1 of 9Top 15%
Overall (All Time): #34,663 of 4,157,543Top 1%
64
Patents All Time

Issued Patents All Time

Showing 25 most recent of 64 patents

Patent #TitleCo-InventorsDate
12083451 Devices and methods for moving, removing and/or installing one or more components of a treatment unit Matthew Roberts 2024-09-10
12053722 Apparatus and method for improving the efficiency of a new or existing filter for filtering water or wastewater Matthew Roberts 2024-08-06
11713266 Systems for removing sludge from or distributing fluids in sludge or waste collection vessels 2023-08-01
11090586 Devices and methods for moving, removing and/or installing one or more components of a treatment unit Matthew Roberts 2021-08-17
11084746 Systems for removing sludge from or distributing fluids in sludge or waste collection vessels 2021-08-10
10960326 Underdrain for a filter system for filtering water or wastewater and a method of washing a filter system Roderick Ross Mellott 2021-03-30
10690357 Air-cooled condenser hail protection system Owen Orndorff, Jeffrey L. Smith 2020-06-23
10463995 Apparatus and method for removing impurities from water or wastewater Roderick Ross Mellott 2019-11-05
10376817 Apparatus for removing impurities from water or wastewater 2019-08-13
9987569 Underdrain for a filter system for filtering water or wastewater and a method of washing a filter system Roderick Ross Mellott 2018-06-05
9731228 Apparatus for removing impurities from water or wastewater and a method of installing a fluid distribution system therein 2017-08-15
9517947 Apparatus for filtering water or wastewater 2016-12-13
9468869 Method for washing a filter for filtering water or wastewater 2016-10-18
9072989 Underdrain for a filter system for filtering water or wastewater Troy A. Jackson, Joseph L. Cristaldi 2015-07-07
9067727 Apparatus and method for removing materials from a material collection container Mark Robert Battaglia, Mark Kevin Addison, David Stuart Paskman, Andrew Scott Taylor 2015-06-30
8998001 Apparatus and method for removing materials from a material collection container 2015-04-07
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 Mark Kevin Addison, Andrew Scott Taylor, Jason Samuel Schmoyer 2015-03-31
8889015 Method of installing an air scour system into a filter bed Mark Kevin Addison 2014-11-18
8668092 System and method for uniformly distributing a fluid through a filter bed in a filter Mark Kevin Addison 2014-03-11
8652328 Apparatus for filtering water or wastewater 2014-02-18
8585896 Apparatus and method for removing impurities from water of wastewater Mark Kevin Addison 2013-11-19
8518266 Dissolved air flotation clarifier Mark Kevin Addison 2013-08-27
8454841 Method of filtering water or wastewater 2013-06-04
8409437 Underdrain system Mark Kevin Addison 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 Mark Kevin Addison, Andrew Scott Taylor, Jason Samuel Schmoyer 2012-12-18