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Class Information
Number: 405/118
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Flow control > Open channel
Description: Method or apparatus wherein the flow path is in the form of a trough.










Sub-classes under this class:

Class Number Class Name Patents
405/119 Flume 127


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8702346 Landscaping channel liner Apr. 22, 2014
8678710 Rainwater channel drain Mar. 25, 2014
8505131 Trench drain system and method of installation on level floor surface, paticulary for shower rooms Aug. 13, 2013
8486273 Water deflection silt collection system Jul. 16, 2013
8475079 Drainage apparatus including a support device and a wedge Jul. 2, 2013
8469631 Modular and easy to assemble grilled cover piece for drainage channels Jun. 25, 2013
8439602 Flow control liner system May. 14, 2013
8357295 Adjustable anchor rod Jan. 22, 2013
8322944 Trench drain with sloping rails Dec. 4, 2012
8240946 Water drainage system Aug. 14, 2012
8096730 Apparatus for laying concrete metal pipes inverts and method for using the same Jan. 17, 2012
7967523 Trench drain assembly Jun. 28, 2011
7914229 Drain cover portion Mar. 29, 2011
7794176 Height adjustable water control conduct Sep. 14, 2010
7758282 Asymmetrical corrugated ditch liner system Jul. 20, 2010
7703502 Method of fabricating a longitudinal frame member of a trench-forming assembly Apr. 27, 2010
7637694 Adjustable drain for stone decking Dec. 29, 2009
7637695 Heavy duty trench frame and grate assembly Dec. 29, 2009
7632042 Method, apparatus and system for forming drainage and trench forming systems Dec. 15, 2009
7588392 Removable grate Sep. 15, 2009
7534071 Channel installation device May. 19, 2009
7513712 Device and a method for drainage of water from rock caves Apr. 7, 2009
7507054 Pre-sloped trench drain system Mar. 24, 2009
7491017 Surface drainage system Feb. 17, 2009
7357600 Water management system Apr. 15, 2008
7306401 Apparatus for conveying fluids Dec. 11, 2007
7172368 Assembly and method of forming a trench of a predetermined shape Feb. 6, 2007
7165914 Ditch liner system Jan. 23, 2007
7156580 Interlockable drainage system Jan. 2, 2007
7134808 Drain sealing Nov. 14, 2006
7125506 Drainage channel installation device Oct. 24, 2006
7059804 Drainage device Jun. 13, 2006
7025532 Apparatus and method for transporting water with liner Apr. 11, 2006
6991404 Closed modular ditch liners Jan. 31, 2006
6945733 Cover for a drainage device Sep. 20, 2005
6942424 Width expandable modular ditch liners Sep. 13, 2005
6942423 Migratory fish channel associated with one or more dams in a river Sep. 13, 2005
6905285 Slot drain Jun. 14, 2005
6886302 Modular deck drainage system May. 3, 2005
6860678 Method and apparatus for aligning channel sections with an adjustable alignment key Mar. 1, 2005
6817807 Modular ditch liners Nov. 16, 2004
6722818 Ditch liner system Apr. 20, 2004
6698977 Modular ditch liners Mar. 2, 2004
6692186 Apparatus and method for transporting water Feb. 17, 2004
6672012 Gutter cover device Jan. 6, 2004
6612780 Modular trench drain system Sep. 2, 2003
6595720 Method and apparatus for forming a trench drain Jul. 22, 2003
6533497 Method of using a trench forming assembly having removable pin anchoring mechanism Mar. 18, 2003
6363775 Double wall flume containment system with pressurized leak testing Apr. 2, 2002
6332737 Waterway pollution control apparatus Dec. 25, 2001

1 2 3










 
 
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