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Class Information
Number: 137/78.3
Name: Fluid handling > Ambient condition change responsive > For controlling soil irrigation > Soil moisture sensing
Description: Apparatus in which flow of water to the ground is controlled in response to a change in moisture content of the ground.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8695407 Microtensiometer sensor, probe and method of use Apr. 15, 2014
8671969 Soil moisture sensor and controller Mar. 18, 2014
8660705 Irrigation system with soil moisture based seasonal watering adjustment Feb. 25, 2014
8649910 Automatically adjusting irrigation controller Feb. 11, 2014
8615329 Control system for regulating liquid flow Dec. 24, 2013
8504210 Wireless extension to an irrigation control system and related methods Aug. 6, 2013
8443822 Method for detecting a malfunction in an automated irrigation system May. 21, 2013
8408229 Plant watering system Apr. 2, 2013
8371325 Soil moisture responsive irrigation flow control valve Feb. 12, 2013
8374553 Method and system for improving a communication range and reliability of a soil sensor antenna Feb. 12, 2013
8260466 Modulated watering device based on watering index percentage Sep. 4, 2012
8245720 Wireless irrigation control Aug. 21, 2012
8225810 Irrigation control apparatus, system, and method Jul. 24, 2012
8219254 Adaptive control for irrigation system Jul. 10, 2012
8200368 Automatically adjusting irrigation controller with temperature and rainfall sensor Jun. 12, 2012
8170721 Automatically adjusting irrigation controller May. 1, 2012
8104498 Soil moisture sensor and controller Jan. 31, 2012
8051871 Irrigation control system Nov. 8, 2011
8014904 Hybrid modular/decoder irrigation controller Sep. 6, 2011
8001990 Device for measuring thermal properties in a medium and method for determining the moisture content in the medium Aug. 23, 2011
7997294 Soil moisture sensing apparatus for preventing overwatering Aug. 16, 2011
7990670 Protective circuitry for electronic device Aug. 2, 2011
7937187 Computer controlled fertigation system and method May. 3, 2011
7931045 Water sensor apparatus Apr. 26, 2011
7921865 Stand-alone mechanical device for controlled watering Apr. 12, 2011
7836910 Soil moisture sensor and controller Nov. 23, 2010
7822511 System and method for communicating data in an automated irrigation system Oct. 26, 2010
7810515 Smart water timer Oct. 12, 2010
7809475 Computer controlled fertigation system and method Oct. 5, 2010
7658336 Multi-zone sprinkler system with moisture sensors and configurable spray pattern Feb. 9, 2010
7631545 Jet-action plunger-based tensiometer apparatus Dec. 15, 2009
7574284 Method and apparatus for optimizing soil moisture Aug. 11, 2009
7562832 Two-conductor moisture activated switch Jul. 21, 2009
7506658 Liquid flow control devices Mar. 24, 2009
7469707 Irrigation control valve and system Dec. 30, 2008
7458521 Irrigation unit having a control system and a data storage unit Dec. 2, 2008
7413380 Golf course turf conditioning control system and method Aug. 19, 2008
7398139 Remote programming and diagnostic of decoder irrigation system Jul. 8, 2008
7347384 Multi-zone sprinkler system with moisture sensors and configurable spray pattern Mar. 25, 2008
7286904 Systems and methods for adaptation to wireless remote control of irrigation valves from existing hardwired control devices Oct. 23, 2007
7280047 Real-time electronic spray deposition sensor Oct. 9, 2007
7264177 Methods, systems and apparatuses for automated irrigation and chemical treatment Sep. 4, 2007
7261245 Adaptive irrigation of vegetation Aug. 28, 2007
7258129 Moisture sensor and control system for sprinklers and method therefor Aug. 21, 2007
7248945 Remote programming and diagnostic of decoder irrigation system Jul. 24, 2007
7216659 Low power system for wireless monitoring of an environment and irrigation control May. 15, 2007
7216020 Method and system for controlling an irrigation scheduling engine using computed evapotranspiration values May. 8, 2007
7203576 Moisture sensor timer Apr. 10, 2007
7181319 Hybrid modular/decoder irrigation controller Feb. 20, 2007
7172366 Golf course environmental management system and method Feb. 6, 2007

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