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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 |
| 5916104 |
Box, an insulating system, and a ground drainage system |
Jun. 29, 1999 |
| 5913635 |
Pipe couplings for irrigation systems |
Jun. 22, 1999 |
| 5911540 |
Subterranean liquid distribution apparatus |
Jun. 15, 1999 |
| 5908266 |
Flow drain |
Jun. 1, 1999 |
| 5899031 |
Partition structure having a screen |
May. 4, 1999 |
| 5893681 |
Flexible pipe having a flexible wrap applied thereto and method for attaching the wrap |
Apr. 13, 1999 |
| 5890837 |
Multiple compartment drainage conduit with diverters |
Apr. 6, 1999 |
| 5890838 |
Storm water dispensing system having multiple arches |
Apr. 6, 1999 |
| 5857297 |
Foundation wall construction |
Jan. 12, 1999 |
| 5852906 |
Internal-wall drain system |
Dec. 29, 1998 |
| 5848856 |
Subsurface fluid drainage and storage systems |
Dec. 15, 1998 |
| 5839844 |
Leaching chamber endplate |
Nov. 24, 1998 |
| 5836115 |
Foundation waterproofing and drainage system |
Nov. 17, 1998 |
| 5836716 |
Drainage pipe |
Nov. 17, 1998 |
| 5829916 |
Drainfield pipe |
Nov. 3, 1998 |
| 5823711 |
Water drainage and collection system and method of construction thereof |
Oct. 20, 1998 |
| 5820296 |
Prefabricated vertical earth drain and method of making the same |
Oct. 13, 1998 |
| 5816742 |
Permeable conduits for disbursing fluids |
Oct. 6, 1998 |
| 5810510 |
Underground drainage system |
Sep. 22, 1998 |
| 5810509 |
Buried field drainage pipe |
Sep. 22, 1998 |
| 5788409 |
Drain field container system |
Aug. 4, 1998 |
| 5785454 |
Protective body/cover to be placed over discharge openings on pipes for the underground supply of water and air |
Jul. 28, 1998 |
| RE35857 |
Irrigation systems |
Jul. 21, 1998 |
| 5775839 |
Protective waterproofing membrane, particularly for coatings of walls and pavings |
Jul. 7, 1998 |
| 5752784 |
Low profile drainage network for athletic field drainage system |
May. 19, 1998 |
| 5727901 |
Collection tank |
Mar. 17, 1998 |
| 5716163 |
Corrugated leaching chamber with hollow ribbing |
Feb. 10, 1998 |
| 5692348 |
Building water-draining spandrel |
Dec. 2, 1997 |
| 5692858 |
Apparatus for soil irrigation |
Dec. 2, 1997 |
| 5688073 |
Earth drains |
Nov. 18, 1997 |
| 5688072 |
Agricultural drip tape |
Nov. 18, 1997 |
| 5669733 |
Angled adapter for a leaching chamber system |
Sep. 23, 1997 |
| 5639364 |
Light-weight drainage line units |
Jun. 17, 1997 |
| 5634741 |
Form-drain filter clamp |
Jun. 3, 1997 |
| 5624204 |
Water-retention reservoir structure |
Apr. 29, 1997 |
| 5601381 |
Irrigation apparatus including pulsators |
Feb. 11, 1997 |
| 5597264 |
Leaching field and method of making |
Jan. 28, 1997 |
| 5590980 |
Planted surface moisture control system |
Jan. 7, 1997 |
| 5573347 |
Drain preparation apparatus and method of using same |
Nov. 12, 1996 |
| 5567077 |
Drainage network |
Oct. 22, 1996 |
| 5558461 |
Tubular gutter system |
Sep. 24, 1996 |
| 5556231 |
Severable leaching chamber with end cap |
Sep. 17, 1996 |
| 5549415 |
Septic tank drainfield installation device and method |
Aug. 27, 1996 |
| 5542208 |
Mobile unit for treating soil |
Aug. 6, 1996 |
| 5520481 |
Drain field system |
May. 28, 1996 |
| 5516229 |
Drain field system |
May. 14, 1996 |
| 5511346 |
Thermoplastic foam insulation and drainage board and method of using in below-grade applications |
Apr. 30, 1996 |
| 5511903 |
Leaching chamber with perforated web sidewall |
Apr. 30, 1996 |
| 5507595 |
Apparatus for treating soil |
Apr. 16, 1996 |
| 5501044 |
Sub-floor drain conduit for water-control systems |
Mar. 26, 1996 |
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