Inventor
ALLARD DOUGLAS PAUL
US19 patents
⚠️ This page may combine multiple inventors who share the name “ALLARD DOUGLAS PAUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KRISTAR ENTPR INC
14 patentsUS6551023B2Apr 22, 2003
Soft bodied high capacity catch basin filtration system
KRISTAR ENTPR INC76 citations97
US6986621B2Jan 17, 2006
Trench drain filtration system
KRISTAR ENTPR INC53 citations96
US6733209B2May 11, 2004
Chitosan enhanced erosion control rolls
KRISTAR ENTPR INC51 citations96
US6641335B1Nov 4, 2003
Erosion control rolls
KRISTAR ENTPR INC71 citations96
US6527477B1Mar 4, 2003
Erosion control rolls
KRISTAR ENTPR INC60 citations96
US6872029B2Mar 29, 2005
Hard bodied high capacity catch basin filtration system
KRISTAR ENTPR INC68 citations95
US7040838B2May 9, 2006
High capacity catch basin filtration system with adjustable deflector ring
KRISTAR ENTPR INC58 citations94
US7182874B2Feb 27, 2007
Storm water treatment apparatus employing dual vortex separators
KRISTAR ENTPR INC46 citations92
US6976808B2Dec 20, 2005
Catch basin filtration system will disposable silt/contaminant collector
KRISTAR ENTPR INC32 citations92
US6875350B2Apr 5, 2005
Chitosan enhanced dewatering bag
KRISTAR ENTPR INC27 citations92
US6241882B1Jun 5, 2001
Sump & filter device for drainage inlets
KRISTAR ENTPR INC22 citations92
US9506233B2Nov 29, 2016
Stormwater treatment system with gutter pan flow diverter
KRISTAR ENTPR INC7 citations84
US7374364B2May 20, 2008
Trench drain filter assembly
KRISTAR ENTPR INC12 citations84
US7165913B2Jan 23, 2007
Trench drain filter assembly
KRISTAR ENTPR INC12 citations84
ALLARD DOUGLAS PAUL
4 patentsUS9540799B2Jan 10, 2017
Modular storm water filtration system
ALLARD DOUGLAS PAUL7 citations83
US9512606B2Dec 6, 2016
Bioretention swale overflow filter
ALLARD DOUGLAS PAUL11 citations83
US8911626B2Dec 16, 2014
Bioretention system with internal high flow bypass
ALLARD DOUGLAS PAUL8 citations83
US10253474B2Apr 9, 2019
Apparatuses and methods for fiber rolls
ALLARD DOUGLAS PAUL5 citations72