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Class Information
Number: 405/45
Name: Hydraulic and earth engineering > Drainage or irrigation > Porous or apertured pipe, flume, or tileway > Porous
Description: Method or apparatus wherein the sidewall, a portion of the sidewall, or an aperture formed therein includes a foraminous material.










Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8636444 Fluid distribution system Jan. 28, 2014
8632273 Water draining pipe and draining method thereof Jan. 21, 2014
8596908 Apparatus and method of use of a drainage member Dec. 3, 2013
8590564 Integrated bulk fluids management system Nov. 26, 2013
8584398 Fluid nutrient delivery system and associated methods Nov. 19, 2013
8555586 Structural modules with absorbent elements for drainage and irrigation Oct. 15, 2013
8545130 Wick assembly and method for installing an underdrain Oct. 1, 2013
8518201 Method of manufacturing a tubing for a subsurface water drainage system Aug. 27, 2013
8486273 Water deflection silt collection system Jul. 16, 2013
8475078 Containment device, method and system Jul. 2, 2013
8360100 Integrated bulk fluids management system Jan. 29, 2013
8342212 Fluid conduit with layered and partial covering material thereon Jan. 1, 2013
8322948 Leaching chamber having pillars Dec. 4, 2012
8297880 Leaching chamber with continuous curve arch and closely spaced corrugations Oct. 30, 2012
8287728 Elevated swale for treatment of contaminated stormwater Oct. 16, 2012
8256990 Drainage unit with external covering and method for manufacture Sep. 4, 2012
8251611 Drainage element and apparatus and method for making same Aug. 28, 2012
8182174 Drainage system for directing surface water to underground strata May. 22, 2012
8162567 Water retention cell structures Apr. 24, 2012
8142106 Subsurface sewage disposal and wastewater treatment system Mar. 27, 2012
8133388 Waste water filtering system Mar. 13, 2012
8132362 Plant watering systems Mar. 13, 2012
8123436 Underground infiltration tank module Feb. 28, 2012
8109045 Form drain for incorporation into a building foundation Feb. 7, 2012
8104994 Subsoil drainage system Jan. 31, 2012
8091276 Fluid nutrient delivery system and associated methods Jan. 10, 2012
8028713 Underground water storage tank Oct. 4, 2011
8011852 Fluid and nutrient delivery system and associated methods Sep. 6, 2011
8011853 Fluid and nutrient delivery irrigation system and associated methods Sep. 6, 2011
8007201 Septic system Aug. 30, 2011
8002496 Irrigation pipe Aug. 23, 2011
7993076 Bluff penetrating outfall drainage system Aug. 9, 2011
7938597 Subsurface drainage system and drain structure therefor May. 10, 2011
7931423 Drainage element Apr. 26, 2011
7914231 Leaching chamber having a diagonally ribbed top Mar. 29, 2011
7909535 Soil drainage system Mar. 22, 2011
7908801 Material and method for providing insulation and drainage to a foundation wall Mar. 22, 2011
7857547 Drain panels and blocks Dec. 28, 2010
7820054 Method for dewatering slurry from construction sites Oct. 26, 2010
7815395 Subsurface drainage system and drain structure therefor Oct. 19, 2010
7810291 Connectable drainage device Oct. 12, 2010
7798746 Modular, self contained, engineered irrigation landscape and flower bed panel Sep. 21, 2010
7762740 Fluid distribution system Jul. 27, 2010
7758749 Drainage filtration system for synthetic turf field Jul. 20, 2010
7748930 Fluid and nutrient delivery system and associated methods Jul. 6, 2010
7744308 Drainage element of ovate shape and method of making Jun. 29, 2010
7722288 Method of installing a synthetic grass system May. 25, 2010
7712997 Infiltration block May. 11, 2010
7712253 Fluid and nutrient delivery system and associated methods May. 11, 2010
7698858 Membrane for the protection of buildings Apr. 20, 2010

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