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Class Information
Number: 405/37
Name: Hydraulic and earth engineering > Drainage or irrigation > Control means responsive to sensed condition
Description: Method or apparatus wherein the drainage or irrigation takes place (a) in response to a sensed characteristic, e.g., soil moisture content, or (b) under the control of a timer.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7358626 |
Two-wire power and communications for irrigation systems |
Apr. 15, 2008 |
| 7331143 |
Seismic base isolation by electro-osmosis |
Feb. 19, 2008 |
| 7320559 |
System and method for dispersing of coal bed sodic water |
Jan. 22, 2008 |
| 7184846 |
Systems and methods for providing optimal light-CO.sub.2 combinations for plant production |
Feb. 27, 2007 |
| 7172366 |
Golf course environmental management system and method |
Feb. 6, 2007 |
| 7033108 |
Turf playing surface aeration and drainage system |
Apr. 25, 2006 |
| 7018134 |
Foundation and soil irrigation system utilizing wicking materials |
Mar. 28, 2006 |
| 7012394 |
Battery-powered air handling system for subsurface aeration |
Mar. 14, 2006 |
| 7004677 |
Enhanced irrigation valve platform assembly |
Feb. 28, 2006 |
| 6997642 |
Golf course environmental management system |
Feb. 14, 2006 |
| 6955765 |
Recycled irrigation water treatment system |
Oct. 18, 2005 |
| 6821053 |
Water flow responsive barrier for gutters and storm drains with rotary actuator |
Nov. 23, 2004 |
| 6792720 |
Seismic base isolation by electro-osmosis during an earthquake event |
Sep. 21, 2004 |
| 6726401 |
Treatment of a leach field |
Apr. 27, 2004 |
| 6726402 |
Roadway surface grating with trash detention during drier conditions |
Apr. 27, 2004 |
| 6712552 |
Geosynthetic material irrigation system |
Mar. 30, 2004 |
| 6681796 |
Drainage valve pipe tap assembly |
Jan. 27, 2004 |
| 6652188 |
Fluid coupled control system for irrigation |
Nov. 25, 2003 |
| 6635172 |
Apparatus for the enhancement of water quality in a subterranean pressurized water distribution system |
Oct. 21, 2003 |
| 6620329 |
Golf course irrigation water monitoring and treatment system |
Sep. 16, 2003 |
| 6615653 |
In situ method for determining soil liquefaction tendency and its prevention by electro-osmosis |
Sep. 9, 2003 |
| 6616375 |
Arrangement in a drain system and a method for taking care of drain media |
Sep. 9, 2003 |
| 6565284 |
Infiltration control system and method |
May. 20, 2003 |
| 6558078 |
Foundation and soil irrigation system utilizing wicking materials |
May. 6, 2003 |
| 6467994 |
Apparatus and method for beneficial use or handling of run-off or collected water |
Oct. 22, 2002 |
| 6450731 |
System for applying a liquid, such as a deicing liquid, upon a pavement surface |
Sep. 17, 2002 |
| 6358408 |
Apparatus for the enhancement of water quality in a subterranean pressurized water distribution system |
Mar. 19, 2002 |
| 6312191 |
Self-contained ecological watering system |
Nov. 6, 2001 |
| 6273638 |
Automated air handling system for sports field |
Aug. 14, 2001 |
| 6186423 |
Irrigation system |
Feb. 13, 2001 |
| 6142703 |
Encapsulated turf maintenance system |
Nov. 7, 2000 |
| 6132138 |
Gray water recycling system |
Oct. 17, 2000 |
| 5954450 |
Method of irrigation control |
Sep. 21, 1999 |
| 5944444 |
Control system for draining, irrigating and heating an athletic field |
Aug. 31, 1999 |
| 5938372 |
Subsurface irrigation apparatus and method |
Aug. 17, 1999 |
| 5909982 |
Large-depth underground drainage facility and method of running same |
Jun. 8, 1999 |
| 5782578 |
Hydraulic timer mechanism for water irrigation |
Jul. 21, 1998 |
| 5759286 |
Method of recycling agricultural chemical rinse water into an irrigation system |
Jun. 2, 1998 |
| 5752784 |
Low profile drainage network for athletic field drainage system |
May. 19, 1998 |
| 5752785 |
Drainage pump station and drainage operation method for drainage pump station |
May. 19, 1998 |
| 5749672 |
Irrigation process |
May. 12, 1998 |
| 5749521 |
Moisture sensing electronic irrigation control |
May. 12, 1998 |
| 5733065 |
Underground drainage facility, vertical-shaft multi-stage adjustable vane pump, and method of running drainage pump |
Mar. 31, 1998 |
| 5667336 |
Furrow irrigation |
Sep. 16, 1997 |
| 5603587 |
Drainage water pumping station and method for operating the same |
Feb. 18, 1997 |
| 5590980 |
Planted surface moisture control system |
Jan. 7, 1997 |
| 5542208 |
Mobile unit for treating soil |
Aug. 6, 1996 |
| 5531543 |
Device for ensuring free water passage to roof rainwater outlets in connection with ice formation |
Jul. 2, 1996 |
| 5498330 |
Gray water reclamation system including plural filtration steps |
Mar. 12, 1996 |
| 5498105 |
Drainage water pumping station and method for operating the same |
Mar. 12, 1996 |
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