Inventor
ADDISON MARK KEVIN
US31 patents
⚠️ This page may combine multiple inventors who share the name “ADDISON MARK KEVIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RG DELAWARE INC
21 patentsUSD519601SApr 25, 2006
Underdrain
RG DELAWARE INC14 citations92
US6569327B2May 27, 2003
Apparatus for directing fluids through a filter system
RG DELAWARE INC32 citations92
US6740237B1May 25, 2004
Low profile extruded underdrain
RG DELAWARE INC37 citations91
US6325931B1Dec 4, 2001
Filtration system having a low profile extruded underdrain
RG DELAWARE INC39 citations91
US8052870B2Nov 8, 2011
Underdrain system
RG DELAWARE INC8 citations84
US7922903B2Apr 12, 2011
System and method for uniformly distributing a fluid through a filter bed in a filter
RG DELAWARE INC8 citations84
US7736506B2Jun 15, 2010
System and method for uniformly distributing a fluid through a filter bed in a filter
RG DELAWARE INC8 citations84
USD565148SMar 25, 2008
Underdrain
RG DELAWARE INC12 citations84
US6989096B2Jan 24, 2006
Apparatus for directing fluids through a filter system
RG DELAWARE INC11 citations84
US6982034B2Jan 3, 2006
Underdrain system
RG DELAWARE INC13 citations84
US7820043B2Oct 26, 2010
Underdrain system
RG DELAWARE INC9 citations79
US7288193B2Oct 30, 2007
Apparatus for directing fluids through a filter system
RG DELAWARE INC8 citations74
US6991723B2Jan 31, 2006
Underdrain system
RG DELAWARE INC8 citations74
US8052871B2Nov 8, 2011
Underdrain system
RG DELAWARE INC3 citations63
US6998046B2Feb 14, 2006
Filter system and methods of operating the same
RG DELAWARE INC5 citations63
US6616852B2Sep 9, 2003
Modular filter system
RG DELAWARE INC4 citations63
US8992774B2Mar 31, 2015
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
RG DELAWARE INC2 citations60
US7927485B2Apr 19, 2011
System for filtering water or wastewater
RG DELAWARE INC5 citations57
US6942795B2Sep 13, 2005
Modular filter system and method of repairing and/or replacing components thereof
RG DELAWARE INC0 citations52
US7758750B2Jul 20, 2010
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
RG DELAWARE INC0 citations42
US7771597B2Aug 10, 2010
Filter system
RG DELAWARE INC0 citations41
ROBERTS R LEE
9 patentsUS8889015B2Nov 18, 2014
Method of installing an air scour system into a filter bed
ROBERTS R LEE16 citations92
US8585896B2Nov 19, 2013
Apparatus and method for removing impurities from water of wastewater
ROBERTS R LEE12 citations84
US8409437B2Apr 2, 2013
Underdrain system
ROBERTS R LEE7 citations84
US8333889B2Dec 18, 2012
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
ROBERTS R LEE7 citations81
US9067727B2Jun 30, 2015
Apparatus and method for removing materials from a material collection container
ROBERTS R LEE16 citations79
US8070946B2Dec 6, 2011
Underdrain for a filter system for filtering water or wastewater and a method of washing the filter system
ROBERTS R LEE6 citations74
US8518266B2Aug 27, 2013
Dissolved air flotation clarifier
ROBERTS R LEE4 citations63
US8277665B2Oct 2, 2012
Method of washing a particulate filter bed using an underdrain
ROBERTS R LEE3 citations63
US8668092B2Mar 11, 2014
System and method for uniformly distributing a fluid through a filter bed in a filter
ROBERTS R LEE0 citations42