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Browse by Category: Main > Engineering
Class Information
Number: 405/50
Name: Hydraulic and earth engineering > Drainage or irrigation > Porous waterway, e.g., sand drain, etc.
Description: Method or apparatus wherein a highly water permeable material is placed in a less permeable earthen formation to allow water to be conducted within or through the formation.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8672584 Drainage beads Mar. 18, 2014
8562250 Method for injecting surface water into the ground Oct. 22, 2013
8479815 Desalination subsurface feedwater supply and brine disposal Jul. 9, 2013
8469631 Modular and easy to assemble grilled cover piece for drainage channels Jun. 25, 2013
8388260 Water-permeable and water-absorbable ecological paving Mar. 5, 2013
8287728 Elevated swale for treatment of contaminated stormwater Oct. 16, 2012
8236392 Base for turf system Aug. 7, 2012
8162567 Water retention cell structures Apr. 24, 2012
8152997 Stormwater control system and related method Apr. 10, 2012
8100604 Passive capillary wicking device Jan. 24, 2012
8070395 Woven geosynthetic fabric with differential wicking capability Dec. 6, 2011
8056629 Slant well desalination feedwater supply system and method for constructing same Nov. 15, 2011
7988851 Stormwater control system and related method Aug. 2, 2011
7938597 Subsurface drainage system and drain structure therefor May. 10, 2011
7918996 Stormwater filter bag Apr. 5, 2011
7874767 Woven geosynthetic fabric with differential wicking capability Jan. 25, 2011
7857547 Drain panels and blocks Dec. 28, 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
7736091 Method and device for inserting a drainage wick Jun. 15, 2010
7699557 Aquifer replenishment system Apr. 20, 2010
7632408 Passive drain field system for wastewater treatment and associated methods Dec. 15, 2009
7618213 Drainage geocomposite and its method of manufacture Nov. 17, 2009
7614823 Drain board installing device without anchor plate Nov. 10, 2009
7614822 Fluid distribution system Nov. 10, 2009
7607861 Connection structure of plate-type vertical drain and circular horizontal drainpipe and method of constructing horizontal drain layer in soft ground using the same Oct. 27, 2009
7591610 Water drain tank or channel module Sep. 22, 2009
7588391 Drainage element Sep. 15, 2009
7585556 Studded plate with fold line Sep. 8, 2009
7578635 Subsurface drainage system and method of installing the same Aug. 25, 2009
7575394 Aquifer replenishment system Aug. 18, 2009
7566188 Method and device for inserting a drainage wick Jul. 28, 2009
7540954 Pollutant purification apparatus Jun. 2, 2009
7503726 Subsurface drainage system and drain structure therefor Mar. 17, 2009
7503725 Subsurface drainage system Mar. 17, 2009
7473054 Method and device for inserting a drainage wick Jan. 6, 2009
7465390 Low aspect ratio wastewater system Dec. 16, 2008
7455480 Method for the construction of drainage works, in particular for the stabilisation of slopes and/or terrain which are unstable or subject to landslides Nov. 25, 2008
7419333 Drainage element Sep. 2, 2008
7407340 Modular, self contained, engineered irrigation landscape and flower bed panel Aug. 5, 2008
7380374 Curtain drain Jun. 3, 2008
7374670 High aspect ratio wastewater system May. 20, 2008
7351004 Aquifer replenishment system Apr. 1, 2008
7290958 Subsurface drainage system and drain structure therefor Nov. 6, 2007
7201538 Subsurface drainage system and drain structure therefor Apr. 10, 2007
7198432 Water resource recycling system Apr. 3, 2007
7150583 Electro kinetic geosynthetic structure Dec. 19, 2006
7131788 High-flow void-maintaining membrane laminates, grids and methods Nov. 7, 2006

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