Patents for A01G 25 - Watering gardens, fields, sports grounds, or the like (11,921)
06/1990
06/26/1990US4937732 Irrigation controller
06/26/1990US4936333 For controlling the opening/closing of a valve regulating watering
06/21/1990CA2005970A1 Method of treating water containing fertilisers
06/19/1990US4934404 Water management system
06/19/1990US4934400 Irrigation control system
06/05/1990US4930934 Surface, subsurface, continuous feed moisture maintenance system apparatus and method
05/1990
05/29/1990US4928427 Irrigation system
05/29/1990US4928426 Trough for soil irrigation and moistening
05/15/1990US4925866 Applying aqueous n-halohydantoin solution
05/08/1990US4922945 Self-servicing hydraulic tensiometer with electrical switching and response capabilities
05/03/1990WO1990004871A1 Light-energized electronics energy management system
05/03/1990WO1990004464A1 Drip irrigation hose
05/03/1990DE3837033A1 System for the artificial irrigation and drainage of a vegetation layer
05/02/1990EP0365639A1 Drip irrigation tube and method of manufacturing same
05/02/1990CN2056561U Spray cleaning device for flower leaves
05/01/1990US4921002 Automatic watering zone switcher
05/01/1990US4921001 Apparatus and method for adapting sensors to an irrigation controller
05/01/1990US4920694 Method and apparatus for culturing plants
04/1990
04/24/1990US4919165 Rainfall control for irrigation systems
04/19/1990WO1990003724A1 Distributed multiple irrigation controller management system
04/18/1990CN1041259A Fluid manifold
04/18/1990CN1007576B Arrangement in irrigation system
04/17/1990US4917535 Pressure compensating flow rate control device with dual operating modes
04/11/1990EP0259345B1 Garden shower connected to a solar collector and provided with a mixing tap
04/11/1990CN2055669U Hydraulic driven irrigation and drainage rig
04/04/1990EP0361701A1 Fluid manifold
04/04/1990CA2000140A1 Light-energized electronics energy management system
04/04/1990CA2000139A1 Distributed multiple irrigation controller management system
03/1990
03/28/1990CN1040727A Water trough for irrigating and moistening
03/22/1990DE3830647A1 Water recovery from natural air humidity for cultivating plants, breeding animals and for human needs
03/14/1990CN2054258U Pouring unit
03/08/1990WO1990001868A1 Automatic water sprinkler control system
03/06/1990US4906131 Method for installing sprinkler heads
02/1990
02/27/1990US4904112 Underground irrigation system
02/27/1990US4903922 Hose holding fixture
02/14/1990EP0245246B1 Device for regulating the watering of plants
02/13/1990US4900189 Irrigation device and facilities for the pulsed delivery of an irrigation liquid
02/13/1990US4899934 Irrigation monitor
02/07/1990EP0353260A1 Irrigation tape and method of producing same
02/06/1990CA1265545A1 Container and spreader package
01/1990
01/31/1990EP0225362B1 Liquid flow control valve
01/25/1990WO1990000347A1 Method and apparatus for artificial irrigation of plants
01/09/1990US4892113 Moisture monitor and control system
01/03/1990CN2050257U Automatic spraying arrangement
12/1989
12/26/1989US4889154 Automatic shut-off valve
12/19/1989US4887386 Fluid manifold
12/14/1989WO1989011787A2 Control valves and method of plant growing using flow control
12/12/1989US4886088 Method and apparatus for measuring water content
12/06/1989EP0344605A2 A process and an installation for producing a drip irrigation conduit
12/06/1989EP0344247A1 Irrigation controller with selector means for displaying selected groups of parameter values
12/05/1989US4884749 Sprinkler stand, particularly for nonlevel ground
11/1989
11/29/1989EP0343789A1 Elastomeric flow control pin for irrigation systems
11/22/1989CN2048082U Pedal draw water device without life pump
11/14/1989US4880167 Irrigation hose with linear turbulent flow emitter
11/07/1989US4878614 Programmable fertilizer application system
10/1989
10/31/1989US4877189 Irrigation system
10/31/1989US4877047 Control mechanism for controlling the water supply in an irrigation system and similar, operating by means of pressure pulses
10/25/1989EP0338071A1 Irrigation controller
10/24/1989US4876647 Apparatus for determining water stress in crops
10/24/1989US4875498 Irrigation manager system with zone moisture control
10/19/1989WO1989009539A1 Drip irrigation tube and method of manufacturing same
10/17/1989US4874132 Drip irrigation apparatus
10/10/1989US4873650 Water flow controller
09/1989
09/26/1989US4869432 Elastomeric flow control pin for irrigation systems
09/19/1989US4867603 Device for preventing flooding caused by sprinkler failure
09/14/1989DE3806973A1 Plant-supply system
09/13/1989CN2044197U Moveable automatic diurnal sunlight intermittent irrigation device
08/1989
08/31/1989DE3804896A1 Device and process for fastening a hose consisting of flexible material in the connection hole of a supply line
08/22/1989US4859264 Method and installation for producing hose for drip irrigation
08/22/1989US4858832 Agricultural water cannon
08/22/1989US4858827 Electronic water sprinkler timer
08/22/1989US4858636 Preset microscopic flow valve apparatus and method
08/09/1989EP0327232A2 Drip emitter
08/02/1989CN2042122U Water pump for agriculture
08/01/1989US4852802 Smart irrigation sprinklers
07/1989
07/26/1989CN2041485U Sleeve water plug
07/25/1989US4852051 Flexible irrigation controller
07/25/1989US4850531 Drip emitter
07/25/1989US4850137 Device for watering and removing water from cut plant containers
07/13/1989DE3743796A1 Humidity-controlled valve
07/12/1989CN1033731A Device for pulsed delivery of irrigation liquid, and irrigation facilities incorporating the same device
07/04/1989US4843757 Tree/shrub
07/04/1989CA1256965A1 Electronic water sprinkler timer
06/1989
06/27/1989US4842204 Traveling irrigation system
06/27/1989US4842198 Device for damage protection against local flooding caused by sprinkler failure
06/21/1989CN2039501U Drip irrigation system
06/13/1989US4839051 Waste water flows through sloping zone containing soil and plants; free of chemical additives
06/13/1989US4838734 Method and device for forming a fluid permeation control layer of the ground
06/13/1989US4838485 Water distribution device and system including same
06/13/1989US4838310 Hydroelectrically powered, remotely controlled irrigation system
06/13/1989US4838296 Moisture sensing switch
06/13/1989EP0220291A4 Improved watering control system.
06/08/1989DE3740387A1 Liquid pump having differential-pressure-controlled pneumatic solar-energy drive
06/07/1989CN2038707U Plastic spray nozzle attached to kettle for watering flower
06/06/1989US4837499 Moisture sensing device
05/1989
05/30/1989US4834143 Sprinkler control system
05/23/1989US4832263 Self propelled field irrigator
05/17/1989CN1032895A Watering method and irrigator for plant
05/16/1989US4830283 Irrigation system
05/05/1989WO1989004010A1 Irrigation controller