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Class Information
Number: 405/49
Name: Hydraulic and earth engineering > Drainage or irrigation > Porous or apertured pipe, flume, or tileway > Corrugated
Description: Method and apparatus wherein the water-conducting member includes a series of alternate ridges and grooves extending about the entire periphery.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7618213 Drainage geocomposite and its method of manufacture Nov. 17, 2009
7611306 Leaching chamber with drain holes in base flange Nov. 3, 2009
7585130 Leaching chamber with inward flaring sidewall perforations Sep. 8, 2009
7517172 Subsurface fluid distribution apparatus Apr. 14, 2009
7500805 Low-nest height thermoplastic leaching chamber Mar. 10, 2009
7473053 Arch shape cross section chamber having corrugations with flattened web segments Jan. 6, 2009
7470085 Tightly peaked ditch liner system Dec. 30, 2008
7465122 Leaching chamber having high leaching area to weight ratio Dec. 16, 2008
7451784 Corrugated pipe with perforation protecting cover Nov. 18, 2008
7419332 Leaching chamber with strengthened dome end Sep. 2, 2008
7419331 Leaching chamber with varying slot opening height Sep. 2, 2008
7396188 Leaching chamber having varying slotted wall thickness Jul. 8, 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
7306400 Leaching chamber having dosing pipe hanger Dec. 11, 2007
7300226 Stormwater receiving assembly Nov. 27, 2007
7273330 Invert elevation-change adapter Sep. 25, 2007
7237981 End cap having integral pipe stub for use with stormwater chamber Jul. 3, 2007
7226241 Storm water chamber for ganging together multiple chambers Jun. 5, 2007
7217063 Latch for leaching chamber May. 15, 2007
7207747 Drainage system for sand bunker Apr. 24, 2007
7189027 Corrugated leaching chamber Mar. 13, 2007
7165914 Ditch liner system Jan. 23, 2007
7160059 Adjustable angle coupler for leaching chamber systems Jan. 9, 2007
7118306 Stormwater management system Oct. 10, 2006
7025532 Apparatus and method for transporting water with liner Apr. 11, 2006
6994490 Stormwater receiving device and assembly Feb. 7, 2006
6905286 Porous pipe and apparatus and method of producing the same Jun. 14, 2005
6854925 Storm water reservoir with low drag Feb. 15, 2005
6846130 Method and apparatus for enhancement of prefabricated earth drains Jan. 25, 2005
6802668 Subterranean drainage system Oct. 12, 2004
6719490 Stormwater receiving assembly Apr. 13, 2004
6702517 Pipe assembly for collecting surface water runoff and associated methods Mar. 9, 2004
6698975 Coupling structure for a leaching chamber Mar. 2, 2004
6692186 Apparatus and method for transporting water Feb. 17, 2004
6691472 Foundation wall protector Feb. 17, 2004
6679653 Leaching or drainage gallery with increased surface area Jan. 20, 2004
6612777 Stormwater dispensing chamber Sep. 2, 2003
6612778 System and method for preventing bluff erosion Sep. 2, 2003
6602023 Leaching chamber endplate Aug. 5, 2003
6599611 Method of making a composite structure Jul. 29, 2003
6592293 Adjustable angle coupler for leaching chamber systems Jul. 15, 2003
6527477 Erosion control rolls Mar. 4, 2003
6461078 Plastic sewage pipe Oct. 8, 2002
6361248 Stormwater dispensing chamber Mar. 26, 2002
6336770 Drainfield pipe installation device Jan. 8, 2002

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