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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 86
405/46 Earthen bottom 66
405/47 Flow through joint 12
405/48 Open seam or shielded outlet 45
405/45 Porous 229
405/44 Uniform discharge 31


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

Patent Number Title Of Patent Date Issued
6979148 Golf course green storm water filter Dec. 27, 2005
6976808 Catch basin filtration system will disposable silt/contaminant collector Dec. 20, 2005
6969464 Dewatering a leach field Nov. 29, 2005
6962464 Method for constructing a water resource recycling system Nov. 8, 2005
6948886 System and method for preventing bluff erosion Sep. 27, 2005
6926037 Collapse tolerant flexible pipe and method of manufacturing same Aug. 9, 2005
6926464 Detention pond water quality apparatus and system Aug. 9, 2005
6877932 Drainage system and method for artificial grass using spacing grid Apr. 12, 2005
6872029 Hard bodied high capacity catch basin filtration system Mar. 29, 2005
6863477 Method and material for preventing erosion and maintaining playability of golf course sand bunkers Mar. 8, 2005
6854925 Storm water reservoir with low drag Feb. 15, 2005
6821424 Wastewater treatment and dispersal system Nov. 23, 2004
6805517 Gutterless drainage system Oct. 19, 2004
6802672 Leachate distribution system Oct. 12, 2004
6793439 Securing device for a drainage channel Sep. 21, 2004
6779946 Drainage structures Aug. 24, 2004
6746179 System component, system and method for aerating of compost and the draining of excess liquid contained therein Jun. 8, 2004
6736568 Electro kinetic geosynthetic structure May. 18, 2004
6736569 Structural modular interconnectable subsoil drainage cell May. 18, 2004
6726401 Treatment of a leach field Apr. 27, 2004
6719490 Stormwater receiving assembly Apr. 13, 2004
6712552 Geosynthetic material irrigation system Mar. 30, 2004
6712554 Modular drainage unit Mar. 30, 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
6695538 Drainage pipe support/diverter system Feb. 24, 2004
6691472 Foundation wall protector Feb. 17, 2004
6659687 Subterranean fluid distribution and drainage system Dec. 9, 2003
6648550 Subterranean drainage device Nov. 18, 2003
6641335 Erosion control rolls Nov. 4, 2003
6626609 Water storing block and connecting member for water storing block and rain water storing/infiltrating structure Sep. 30, 2003
6612778 System and method for preventing bluff erosion Sep. 2, 2003
6609718 Seal for casting in a concrete wall of a fluid distribution system container Aug. 26, 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
6585449 Environment protecting gutter duct structure for a concrete roadway Jul. 1, 2003
6576130 Absorption field reclamation and maintenance system Jun. 10, 2003
6561732 Driving pipe and method for the construction of an essentially horizontal pipeline May. 13, 2003
6558078 Foundation and soil irrigation system utilizing wicking materials May. 6, 2003
6551023 Soft bodied high capacity catch basin filtration system Apr. 22, 2003
6540436 Deep root watering unit Apr. 1, 2003
6527474 Pavement drain Mar. 4, 2003
6524424 Combined soil reinforcement and drainage grid Feb. 25, 2003
6517283 Cascading chute drainage system Feb. 11, 2003
6505996 Drainage system with unitary void-maintaining geosynthetic structure and method for constructing system Jan. 14, 2003
6450505 Seal for casting in a concrete wall of a fluid distribution system container Sep. 17, 2002
6428239 Vadose zone for a leaching field Aug. 6, 2002
6402963 Draining wall Jun. 11, 2002
6398456 W-beam deck drain Jun. 4, 2002

1 2 3 4 5 6 7 8


 
 
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