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