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Class Information
Number: 405/43
Name: Hydraulic and earth engineering > Drainage or irrigation > Porous or apertured pipe, flume, or tileway
Description: Method or apparatus wherein drainage or irrigation is effected by a structure having a water-conducting channel or passage formed therein and wherein the water is removed from or applied to the soil through (a) a port formed in the side wall of the channel or passage, (b) a foraminous side wall portion of the structure, or (c) the connection or joint between elements used to make up the water conducting structure.










Sub-classes under this class:

Class Number Class Name Patents
405/49 Corrugated 120
405/46 Earthen bottom 99
405/47 Flow through joint 21
405/48 Open seam or shielded outlet 51
405/45 Porous 299
405/44 Uniform discharge 33


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8672583 Corrugated stormwater chamber having sub-corrugations Mar. 18, 2014
8636444 Fluid distribution system Jan. 28, 2014
8632273 Water draining pipe and draining method thereof Jan. 21, 2014
8602681 Modular storm water infiltration apparatus Dec. 10, 2013
8596908 Apparatus and method of use of a drainage member Dec. 3, 2013
8584398 Fluid nutrient delivery system and associated methods Nov. 19, 2013
8585319 Methane venting system Nov. 19, 2013
8562250 Method for injecting surface water into the ground Oct. 22, 2013
8529159 Methods and materials for golf course sand bunker construction Sep. 10, 2013
8500171 Fluid distributor and collection device with collapsible laterals and knuckles Aug. 6, 2013
8491223 Watering device, method for manufacturing said device, and means therefor Jul. 23, 2013
8486273 Water deflection silt collection system Jul. 16, 2013
8479815 Desalination subsurface feedwater supply and brine disposal Jul. 9, 2013
8475078 Containment device, method and system Jul. 2, 2013
8469631 Modular and easy to assemble grilled cover piece for drainage channels Jun. 25, 2013
8366346 Storm water chamber with floor liner Feb. 5, 2013
8342212 Fluid conduit with layered and partial covering material thereon Jan. 1, 2013
8292541 Trench grate assembly with debris chute Oct. 23, 2012
8219254 Adaptive control for irrigation system Jul. 10, 2012
8216479 Stormwater filter and mount assembly Jul. 10, 2012
8182174 Drainage system for directing surface water to underground strata May. 22, 2012
8162567 Water retention cell structures Apr. 24, 2012
8162566 Drainage element with a periphery of different materials Apr. 24, 2012
8152997 Stormwater control system and related method Apr. 10, 2012
8147166 Drainage element with laminated membrane material Apr. 3, 2012
8133388 Waste water filtering system Mar. 13, 2012
8123436 Underground infiltration tank module Feb. 28, 2012
8104994 Subsoil drainage system Jan. 31, 2012
8100604 Passive capillary wicking device Jan. 24, 2012
8091276 Fluid nutrient delivery system and associated methods Jan. 10, 2012
8056629 Slant well desalination feedwater supply system and method for constructing same Nov. 15, 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
8002497 Coupler for leaching chamber systems Aug. 23, 2011
7993076 Bluff penetrating outfall drainage system Aug. 9, 2011
7993729 Substrate for artificial turf Aug. 9, 2011
7988851 Stormwater control system and related method Aug. 2, 2011
7938597 Subsurface drainage system and drain structure therefor May. 10, 2011
7931921 Method of substantially preventing or inhibiting summer bentgrass decline Apr. 26, 2011
7918996 Stormwater filter bag Apr. 5, 2011
7914229 Drain cover portion Mar. 29, 2011
7914231 Leaching chamber having a diagonally ribbed top Mar. 29, 2011
7909535 Soil drainage system Mar. 22, 2011
7896160 System for supplying tubular geotextile material for perforated drain pipes Mar. 1, 2011
7883291 Mandrel-wound flocculant-containing fiber filtration tubes Feb. 8, 2011
7866911 Slotted drain Jan. 11, 2011
7862254 Underground root margin even irrigation apparatus Jan. 4, 2011
7857547 Drain panels and blocks Dec. 28, 2010

1 2 3 4 5 6 7 8 9 10










 
 
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