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Class Information
Number: 405/46
Name: Hydraulic and earth engineering > Drainage or irrigation > Porous or apertured pipe, flume, or tileway > Earthen bottom
Description: Method or apparatus wherein the water-conducting member is in the form of an inverted open channel.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8672583 Corrugated stormwater chamber having sub-corrugations Mar. 18, 2014
8636444 Fluid distribution system Jan. 28, 2014
8590564 Integrated bulk fluids management system Nov. 26, 2013
8425148 Storm water retention chambers with arch shaped row connector and method of connecting molded chamber structures Apr. 23, 2013
8414222 Riser assembly for water storage chambers Apr. 9, 2013
8360100 Integrated bulk fluids management system Jan. 29, 2013
8337119 Leaching chamber having a dome shaped end portion for pivotably connecting with a second chamber end portion Dec. 25, 2012
8322948 Leaching chamber having pillars Dec. 4, 2012
8297880 Leaching chamber with continuous curve arch and closely spaced corrugations Oct. 30, 2012
8182174 Drainage system for directing surface water to underground strata May. 22, 2012
8157991 Segmental bio-retention basin system Apr. 17, 2012
8147688 Stormwater chamber detention system Apr. 3, 2012
8007201 Septic system Aug. 30, 2011
8002497 Coupler for leaching chamber systems Aug. 23, 2011
7918996 Stormwater filter bag Apr. 5, 2011
7914230 Corrugated leaching chamber with hollow pillar supports Mar. 29, 2011
7914231 Leaching chamber having a diagonally ribbed top Mar. 29, 2011
7887256 Smooth interior water collection and storage assembly Feb. 15, 2011
7841801 Splash plate Nov. 30, 2010
7806627 Storm water retention chambers with arch-shaped row connector Oct. 5, 2010
7637691 Multiple layer wall water storage chambers Dec. 29, 2009
7628566 Smooth interior water collection and storage assembly Dec. 8, 2009
7611306 Leaching chamber with drain holes in base flange Nov. 3, 2009
7585130 Leaching chamber with inward flaring sidewall perforations Sep. 8, 2009
7540953 Integrated below-ground vault with a filtered catch basin Jun. 2, 2009
7517172 Subsurface fluid distribution apparatus Apr. 14, 2009
7500805 Low-nest height thermoplastic leaching chamber Mar. 10, 2009
7491015 Outwardly dished end plate for stormwater chamber Feb. 17, 2009
7473053 Arch shape cross section chamber having corrugations with flattened web segments Jan. 6, 2009
7465122 Leaching chamber having high leaching area to weight ratio Dec. 16, 2008
7419331 Leaching chamber with varying slot opening height Sep. 2, 2008
7419332 Leaching chamber with strengthened dome end Sep. 2, 2008
7413382 Coupler for leaching chamber systems Aug. 19, 2008
7384212 Septic system Jun. 10, 2008
7374365 Leaching chamber with strengthened dome end May. 20, 2008
7364384 Anti-rotation stop for chamber Apr. 29, 2008
7351005 Leaching system Apr. 1, 2008
7351006 Leaching chambers joined together with swivel connections Apr. 1, 2008
7311467 Ergonomic size leaching chamber Dec. 25, 2007
7306399 Stormwater chamber with changing corrugation width angle Dec. 11, 2007
7300226 Stormwater receiving assembly Nov. 27, 2007
7300577 Wastewater treatment and dispersal system Nov. 27, 2007
7273330 Invert elevation-change adapter Sep. 25, 2007
7226241 Storm water chamber for ganging together multiple chambers Jun. 5, 2007
7217063 Latch for leaching chamber May. 15, 2007
7189027 Corrugated leaching chamber Mar. 13, 2007
7160059 Adjustable angle coupler for leaching chamber systems Jan. 9, 2007
7118306 Stormwater management system Oct. 10, 2006
7033108 Turf playing surface aeration and drainage system Apr. 25, 2006
7008138 Faceted end cap for leaching chamber Mar. 7, 2006

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