Assignee
ROBERTS R LEE
US·13 granted patents·2 pending applications·107 citations·filing 2007–2012
Top patents by PatentIndex Score
15 records- 0196US8889015B2Method of installing an air scour system into a filter bedROBERTS R LEE·Filed 2011·Granted Nov 18, 2014·16 cites·19 claims
- 0294US8317036B2Apparatus and method for removing impurities from water or wastewaterROBERTS R LEE·Filed 2010·Granted Nov 27, 2012·17 cites·18 claims
- 0393US8454841B2Method of filtering water or wastewaterROBERTS R LEE·Filed 2010·Granted Jun 4, 2013·12 cites·11 claims
- 0490US8585896B2Apparatus and method for removing impurities from water of wastewaterROBERTS R LEE·Filed 2011·Granted Nov 19, 2013·12 cites·23 claims
- 0588US9067727B2Apparatus and method for removing materials from a material collection containerROBERTS R LEE·Filed 2011·Granted Jun 30, 2015·16 cites·32 claims
- 0688US8409437B2Underdrain systemROBERTS R LEE·Filed 2011·Granted Apr 2, 2013·7 cites·17 claims
- 0779US8277665B2Method of washing a particulate filter bed using an underdrainROBERTS R LEE·Filed 2011·Granted Oct 2, 2012·3 cites·2 claims
- 0878US8070946B2Underdrain for a filter system for filtering water or wastewater and a method of washing the filter systemROBERTS R LEE·Filed 2007·Granted Dec 6, 2011·6 cites·18 claims
- 0977US8998001B2Apparatus and method for removing materials from a material collection containerROBERTS R LEE·Filed 2012·Granted Apr 7, 2015·3 cites·14 claims
- 1077US8333889B2Flume system for a filter system including at least one filter having a filter bed that is periodically washed with liquid, gas or a combination thereofROBERTS R LEE·Filed 2009·Granted Dec 18, 2012·7 cites·10 claims
- 1172US9072989B2Underdrain for a filter system for filtering water or wastewaterROBERTS R LEE·Filed 2012·Granted Jul 7, 2015·4 cites·27 claims
- 1271US8518266B2Dissolved air flotation clarifierROBERTS R LEE·Filed 2009·Granted Aug 27, 2013·4 cites·19 claims
- 1347US2008230474A1System and method for filtering water and/or wastewaterROBERTS R LEE·Filed 2007·Application pending·0 cites
- 1441US8668092B2System and method for uniformly distributing a fluid through a filter bed in a filterROBERTS R LEE·Filed 2011·Granted Mar 11, 2014·0 cites·27 claims
- 1537US2013206696A1Apparatus and method for treating and disposing of wastewaterROBERTS R LEE·Filed 2012·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →