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Class Information
Number: 405/48
Name: Hydraulic and earth engineering > Drainage or irrigation > Porous or apertured pipe, flume, or tileway > Open seam or shielded outlet
Description: Method or apparatus wherein (a) the water-conducting member is a generally closed channel which has longitudinally extending juncture formed therein in which an exit or entrance passage is provided, or (b) the exit or entrance passage is provided with means overhanging the passage to preclude the entry of dirt, soil, or like clogging material.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7246472 |
Drain and a building structure having a drain |
Jul. 24, 2007 |
| 7160059 |
Adjustable angle coupler for leaching chamber systems |
Jan. 9, 2007 |
| 7052207 |
Sediment control drain and method of construction |
May. 30, 2006 |
| 7008137 |
Cover for a drainage arrangement and a method of producing such an arrangement |
Mar. 7, 2006 |
| 6749367 |
Orifice shield for a drainage conduit in a wastewater treatment drain field |
Jun. 15, 2004 |
| 6739800 |
Self-flushing gutter pipe |
May. 25, 2004 |
| 6691472 |
Foundation wall protector |
Feb. 17, 2004 |
| 6666621 |
Temporary trench cover and rail |
Dec. 23, 2003 |
| 6663317 |
Drainage channel |
Dec. 16, 2003 |
| 6612777 |
Stormwater dispensing chamber |
Sep. 2, 2003 |
| 6609852 |
Sediment control drain and method of construction |
Aug. 26, 2003 |
| 6602023 |
Leaching chamber endplate |
Aug. 5, 2003 |
| 6592293 |
Adjustable angle coupler for leaching chamber systems |
Jul. 15, 2003 |
| 6467995 |
Self-flushing pipe |
Oct. 22, 2002 |
| 6361248 |
Stormwater dispensing chamber |
Mar. 26, 2002 |
| 6167914 |
Orifice protector |
Jan. 2, 2001 |
| 6129482 |
Reversible interlocking field drain panel |
Oct. 10, 2000 |
| 5839844 |
Leaching chamber endplate |
Nov. 24, 1998 |
| 5669733 |
Angled adapter for a leaching chamber system |
Sep. 23, 1997 |
| 5588778 |
Leaching chamber with angled end |
Dec. 31, 1996 |
| 5556231 |
Severable leaching chamber with end cap |
Sep. 17, 1996 |
| 5401116 |
Leaching system conduit with cantilevered leg joint |
Mar. 28, 1995 |
| 5360556 |
Method of feeding wastewater effluent to filter bed through parallel conduits |
Nov. 1, 1994 |
| 5340234 |
Trench drain system and installation method |
Aug. 23, 1994 |
| 5156488 |
Leaching system conduit with sub-arch |
Oct. 20, 1992 |
| 5135334 |
Method and apparatus of water-saving irrigation system |
Aug. 4, 1992 |
| 5129758 |
System and method for distribution of greywater to a soil bed |
Jul. 14, 1992 |
| 5102259 |
Sub-surface irrigation systems |
Apr. 7, 1992 |
| 5087151 |
Drainage system |
Feb. 11, 1992 |
| 5024555 |
Sub-surface irrigation system |
Jun. 18, 1991 |
| 5017041 |
Leaching system conduit with high rigidity joint |
May. 21, 1991 |
| 4923330 |
Storm water injection well |
May. 8, 1990 |
| 4824288 |
Culvert drainpipe system and method of use |
Apr. 25, 1989 |
| 4759661 |
Leaching system conduit |
Jul. 26, 1988 |
| 4721408 |
Water distribution system |
Jan. 26, 1988 |
| 4421810 |
Perforated drainpipe and method of making same |
Dec. 20, 1983 |
| 4402631 |
Subsurface irrigation |
Sep. 6, 1983 |
| 4389138 |
Drain pipe |
Jun. 21, 1983 |
| 4330222 |
Irrigation means and method |
May. 18, 1982 |
| 4309855 |
Wall drainage system |
Jan. 12, 1982 |
| 4183696 |
Underground drainage pipe |
Jan. 15, 1980 |
| 4182583 |
Underground percolation head and watering system |
Jan. 8, 1980 |
| 4145157 |
Modular drain field section |
Mar. 20, 1979 |
| 4016727 |
Drain trough member and its connector |
Apr. 12, 1977 |
| 3966233 |
Irrigation apparatus |
Jun. 29, 1976 |
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