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Class Information
Number: 405/39
Name: Hydraulic and earth engineering > Drainage or irrigation > Having regulation of flow through channel
Description: Method or apparatus wherein means are provided to cause or control fluid flow within a flow confining passage.










Sub-classes under this class:

Class Number Class Name Patents
405/40 At outlet or intake 58


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8678706 Surface water heating system for irrigation and frost prevention Mar. 25, 2014
8632273 Water draining pipe and draining method thereof Jan. 21, 2014
8545130 Wick assembly and method for installing an underdrain Oct. 1, 2013
8287728 Elevated swale for treatment of contaminated stormwater Oct. 16, 2012
8011853 Fluid and nutrient delivery irrigation system and associated methods Sep. 6, 2011
8011852 Fluid and nutrient delivery system and associated methods Sep. 6, 2011
7993076 Bluff penetrating outfall drainage system Aug. 9, 2011
7989119 Fuel diffusion unit, fuel supply unit, and fuel cell system including the same Aug. 2, 2011
7980784 Drainage management systems and methods Jul. 19, 2011
7942606 Groundwater control system with automatic water flow regulator May. 17, 2011
7887255 Drainage management systems and methods Feb. 15, 2011
7862254 Underground root margin even irrigation apparatus Jan. 4, 2011
7857546 Method and apparatus for controlling drainage and irrigation of fields Dec. 28, 2010
7820054 Method for dewatering slurry from construction sites Oct. 26, 2010
7677835 Drainage cell modular raintank and water storage system Mar. 16, 2010
7520695 Water provisioning device Apr. 21, 2009
7419334 Thruster flood control method Sep. 2, 2008
7186058 Stormwater detention system and method Mar. 6, 2007
7101114 Storm drain system and method Sep. 5, 2006
7052209 Corrugated stormwater chamber May. 30, 2006
7052206 System and method for use of an extention basin as a storm water control device May. 30, 2006
7025532 Apparatus and method for transporting water with liner Apr. 11, 2006
6893864 Apparatus for aerating a particulate material May. 17, 2005
6886585 Soft grip drain May. 3, 2005
6726401 Treatment of a leach field Apr. 27, 2004
6692189 Flume for optimization of sewer system and wastewater treatment plant capacity Feb. 17, 2004
6692186 Apparatus and method for transporting water Feb. 17, 2004
6648549 Modular drainage channels Nov. 18, 2003
6565284 Infiltration control system and method May. 20, 2003
6558078 Foundation and soil irrigation system utilizing wicking materials May. 6, 2003
6522972 Method for determining an instantaneous unit hydrograph Feb. 18, 2003
6517283 Cascading chute drainage system Feb. 11, 2003
6409427 Soil erosion collector Jun. 25, 2002
6371690 Method and apparatus for handling water at low and high feed rates Apr. 16, 2002
6358408 Apparatus for the enhancement of water quality in a subterranean pressurized water distribution system Mar. 19, 2002
6312191 Self-contained ecological watering system Nov. 6, 2001
6254307 Bi-partite sluiceway apparatus with silt removal tray components Jul. 3, 2001
6230468 Foundation waterproofing system May. 15, 2001
6109827 Method and system for flood irrigation Aug. 29, 2000
6062767 Storm water receptor system May. 16, 2000
5993111 Method and system for flood irrigation Nov. 30, 1999
5938372 Subsurface irrigation apparatus and method Aug. 17, 1999
5720575 Water control and diversion headgate and method of manufacture Feb. 24, 1998
5674029 Weir Oct. 7, 1997
5667336 Furrow irrigation Sep. 16, 1997
5553970 Water-saving irrigation device Sep. 10, 1996
5531888 Arrangement for separation of coarse matter and/or bulky solids in rainwater relief structures Jul. 2, 1996
5501044 Sub-floor drain conduit for water-control systems Mar. 26, 1996
5462075 Method and device for controlling a flow of fluid Oct. 31, 1995
5451315 Ore pass shaff water drainage means Sep. 19, 1995

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