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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:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7618213 |
Drainage geocomposite and its method of manufacture |
Nov. 17, 2009 |
| 7614822 |
Fluid distribution system |
Nov. 10, 2009 |
| 7614823 |
Drain board installing device without anchor plate |
Nov. 10, 2009 |
| 7615148 |
Seawall filter |
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 |
| 7585130 |
Leaching chamber with inward flaring sidewall perforations |
Sep. 8, 2009 |
| 7578635 |
Subsurface drainage system and method of installing the same |
Aug. 25, 2009 |
| 7566188 |
Method and device for inserting a drainage wick |
Jul. 28, 2009 |
| 7559113 |
Water recovery system |
Jul. 14, 2009 |
| 7559720 |
Culvert bundle for stream crossings and flow-through bridge abutments |
Jul. 14, 2009 |
| 7553104 |
Synthetic materials for water drainage systems |
Jun. 30, 2009 |
| 7517172 |
Subsurface fluid distribution apparatus |
Apr. 14, 2009 |
| 7503726 |
Subsurface drainage system and drain structure therefor |
Mar. 17, 2009 |
| 7500492 |
Device for disbursing underground a liquid discharged from a sump pump |
Mar. 10, 2009 |
| 7500805 |
Low-nest height thermoplastic leaching chamber |
Mar. 10, 2009 |
| 7497946 |
Subsurface drip disposal system |
Mar. 3, 2009 |
| 7473054 |
Method and device for inserting a drainage wick |
Jan. 6, 2009 |
| 7473373 |
Stormwater pollution management apparatus and method of using same |
Jan. 6, 2009 |
| 7465122 |
Leaching chamber having high leaching area to weight ratio |
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 |
| 7419331 |
Leaching chamber with varying slot opening height |
Sep. 2, 2008 |
| 7413380 |
Golf course turf conditioning control system and method |
Aug. 19, 2008 |
| 7413381 |
Septic system drain field |
Aug. 19, 2008 |
| 7413382 |
Coupler for leaching chamber systems |
Aug. 19, 2008 |
| 7407340 |
Modular, self contained, engineered irrigation landscape and flower bed panel |
Aug. 5, 2008 |
| 7396188 |
Leaching chamber having varying slotted wall thickness |
Jul. 8, 2008 |
| 7387467 |
Water collection system |
Jun. 17, 2008 |
| 7384212 |
Septic system |
Jun. 10, 2008 |
| 7380374 |
Curtain drain |
Jun. 3, 2008 |
| 7374670 |
High aspect ratio wastewater system |
May. 20, 2008 |
| 7374364 |
Trench drain filter assembly |
May. 20, 2008 |
| 7364384 |
Anti-rotation stop for chamber |
Apr. 29, 2008 |
| 7351005 |
Leaching system |
Apr. 1, 2008 |
| 7320559 |
System and method for dispersing of coal bed sodic water |
Jan. 22, 2008 |
| 7311467 |
Ergonomic size leaching chamber |
Dec. 25, 2007 |
| 7309423 |
Wastewater treatment and dispersal system |
Dec. 18, 2007 |
| 7300226 |
Stormwater receiving assembly |
Nov. 27, 2007 |
| 7300577 |
Wastewater treatment and dispersal system |
Nov. 27, 2007 |
| 7290958 |
Subsurface drainage system and drain structure therefor |
Nov. 6, 2007 |
| 7287932 |
Ballasting system for on-site sewage treatment and disposal system |
Oct. 30, 2007 |
| 7273330 |
Invert elevation-change adapter |
Sep. 25, 2007 |
| 7264418 |
Modular slotted drain assembly |
Sep. 4, 2007 |
| 7207747 |
Drainage system for sand bunker |
Apr. 24, 2007 |
| 7201538 |
Subsurface drainage system and drain structure therefor |
Apr. 10, 2007 |
| 7198432 |
Water resource recycling system |
Apr. 3, 2007 |
| 7198431 |
Irrigation system and associated methods |
Apr. 3, 2007 |
| 7189027 |
Corrugated leaching chamber |
Mar. 13, 2007 |
| 7172366 |
Golf course environmental management system and method |
Feb. 6, 2007 |
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