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Class Information
Number: 405/41
Name: Hydraulic and earth engineering > Drainage or irrigation > Having regulation of flow through channel > At outlet or intake > Riser or standpipe outlet or intake
Description: Method or apparatus wherein the point of egress or ingress is in a pipe which projects upwardly, usually perpendicularly from a main pipe.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7325568 |
Sprinkler valve manifold |
Feb. 5, 2008 |
| 7252458 |
Mitred grate and drain cover |
Aug. 7, 2007 |
| 7237980 |
System for infiltrating and irrigating water into soil |
Jul. 3, 2007 |
| 7232278 |
Adjustable outlet riser |
Jun. 19, 2007 |
| 7156578 |
Aquifer recharge valve and method |
Jan. 2, 2007 |
| 7105084 |
Hybrid flow pond |
Sep. 12, 2006 |
| 7101114 |
Storm drain system and method |
Sep. 5, 2006 |
| 7052207 |
Sediment control drain and method of construction |
May. 30, 2006 |
| 6953156 |
Irrigation method for sloping land |
Oct. 11, 2005 |
| 6942425 |
Mitred grate and drain cover |
Sep. 13, 2005 |
| 6893570 |
Metal removal process |
May. 17, 2005 |
| 6837652 |
Nestable catch basin with integral debris trap |
Jan. 4, 2005 |
| 6811353 |
Aquifer recharge valve and method |
Nov. 2, 2004 |
| 6749366 |
Environmental filter and flow control device |
Jun. 15, 2004 |
| 6746179 |
System component, system and method for aerating of compost and the draining of excess liquid contained therein |
Jun. 8, 2004 |
| 6746178 |
Sewer drain receptacle with hose resting seat |
Jun. 8, 2004 |
| 6712553 |
Grid drain system |
Mar. 30, 2004 |
| 6692189 |
Flume for optimization of sewer system and wastewater treatment plant capacity |
Feb. 17, 2004 |
| 6609852 |
Sediment control drain and method of construction |
Aug. 26, 2003 |
| 6595721 |
Mitred grate and drain cover |
Jul. 22, 2003 |
| 6582156 |
Level control device for wetlands wastewater treatment facilities |
Jun. 24, 2003 |
| 6428693 |
Temporary silt guard for sewer inlet |
Aug. 6, 2002 |
| 6357969 |
Method of fabricating a groundwater monitoring system and a monitoring system formed using said method |
Mar. 19, 2002 |
| 6309139 |
Manhole with extension wings |
Oct. 30, 2001 |
| 6261445 |
Temporary silt guard for sewer inlet |
Jul. 17, 2001 |
| 6132139 |
Water level regulating device for paddy field |
Oct. 17, 2000 |
| 6004457 |
Temporary silt guard for sewer inlet |
Dec. 21, 1999 |
| 5908266 |
Flow drain |
Jun. 1, 1999 |
| 5882141 |
Low energy precision flooding irrigation apparatus and method |
Mar. 16, 1999 |
| 5852901 |
Stackable riser for on-site waste and drainage systems |
Dec. 29, 1998 |
| 5843306 |
Temporary silt guard for storm water collection basin inlet |
Dec. 1, 1998 |
| 5617679 |
Stackable riser for on-site waste and drainage systems |
Apr. 8, 1997 |
| 5613802 |
Apparatus for deploying a work object |
Mar. 25, 1997 |
| 5531243 |
Irrigation standpipe flow diverter and method for making same |
Jul. 2, 1996 |
| 5522672 |
System and method for cleaning a sewage field line from a septic tank |
Jun. 4, 1996 |
| 5431553 |
Manhole seal molding apparatus |
Jul. 11, 1995 |
| 5297895 |
Method and apparatus for controlling silt erosion |
Mar. 29, 1994 |
| 5228802 |
Underground drainage facility and operation method therefor |
Jul. 20, 1993 |
| 5102259 |
Sub-surface irrigation systems |
Apr. 7, 1992 |
| 5083886 |
Irrigation system |
Jan. 28, 1992 |
| 5082013 |
Firefighting water delivery system and method |
Jan. 21, 1992 |
| 4949905 |
Sprinkler head mounting system |
Aug. 21, 1990 |
| 4678367 |
Riser assembly for a sub-surface irrigation and drainage system |
Jul. 7, 1987 |
| 4497333 |
Sequencing valve and irrigation system |
Feb. 5, 1985 |
| 4344720 |
Decants of tailings dams |
Aug. 17, 1982 |
| 4340081 |
Irrigation valve apparatus |
Jul. 20, 1982 |
| 4317539 |
Trickle irrigation |
Mar. 2, 1982 |
| 4303350 |
Septic leaching system |
Dec. 1, 1981 |
| 4020902 |
Well point system |
May. 3, 1977 |
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