Patents for A01G 25 - Watering gardens, fields, sports grounds, or the like (11,921)
08/1998
08/12/1998CN1189966A Comprehensive water-saving irrigation method for dry land crops
08/06/1998WO1998033373A1 Ground moisture sensor with a lateral plane antenna
08/05/1998EP0855938A1 Agricultural and other spraying systems
07/1998
07/29/1998EP0855135A2 Irrigation control
07/29/1998EP0774894A4 Capillary root zone irrigation system
07/29/1998CN2286547Y Coiled mini-tube water-discharging device
07/28/1998US5785785 Method of making constant flow irrigation tape
07/28/1998US5785454 Protective body/cover to be placed over discharge openings on pipes for the underground supply of water and air
07/27/1998CA2196609A1 Outdoor garden irrigation multibase system
07/22/1998CN1187934A Agricultural plastic infiltrating irrigation pipe
07/21/1998US5782578 Hydraulic timer mechanism for water irrigation
07/15/1998EP0852459A1 Control system for the irrigation of watering stations
07/14/1998US5779163 Center pivot irrigaton system drop stabilizer
07/08/1998CN2285554Y Field watering arrangement making use of perforated pipe-lines
07/07/1998US5775595 Gravity fed sprayer
06/1998
06/17/1998EP0847464A1 Method of effecting fluid flow in porous materials
06/17/1998CN2283970Y Clipping type bucket head and bucket head key
06/11/1998WO1998024553A1 Multi-tube sprinkler hose
06/10/1998EP0846059A1 Method for splicing drip irrigation hoses using splicing means internal to the hoses
06/09/1998US5761846 Underground irrigation device
06/04/1998WO1998023142A1 Injector
06/02/1998US5759383 Electrode system connected to irrigation conduits whereby copper ionized from the electrodes kills algae and collects around soil near conduit preventing root growth
06/02/1998US5759286 Injection into fresh water supply
05/1998
05/28/1998CA2487193A1 Synchronized application of one or more materials to a surface from a vehicle
05/27/1998CN2282338Y Dual-purpose spray sprinkling machine
05/26/1998US5755383 Automatic sprinkler garden edging system
05/20/1998CN2281643Y Drip irrigation device for user
05/20/1998CN1181873A Infiltrating method and equipment for slow and infiltrating irrigation of high silt content water
05/19/1998US5752784 Low profile drainage network for athletic field drainage system
05/13/1998EP0840546A1 Device to introduce fluids into soil, filter beds etc. or to remove them from same
05/13/1998CN2281068Y Microporous pipes for permeating and dropping irrigation
05/13/1998CN1181308A Prodn. tech. and equipment for producing water pipe for microporous infiltrating irrigation and drip irrigation
05/12/1998US5749672 Irrigation process
05/12/1998US5749521 Moisture sensing electronic irrigation control
05/12/1998CA2007139C Tube having holes and method for manufacturing the same
05/06/1998EP0693508B1 Temperature-sensitive water-absorbing/desorbing polymer composition
05/06/1998CN2280563Y Water-quantity-regulatable mini-water-spraying tap capable of being made in different style
05/05/1998US5748466 Adaptable control system for a variable number of switches
05/05/1998US5746250 Portable automatic sprinkling system
05/05/1998CA2079526C Flow emitter units moulds for use in the manufacture thereof
04/1998
04/28/1998US5744779 Method for manufacturing drip irrigation tubes
04/28/1998US5743300 Flexible irrigation tube arrangement
04/22/1998EP0836531A1 Irrigation apparatus
04/22/1998CN2279060Y Water spray unit for series watering system
04/22/1998CN2279059Y Spray & border irrigation two-purpose water supply device
04/15/1998EP0835166A1 Process for manufacturing drip irrigation systems using plastic lamination/extrusion techniques
04/14/1998US5740038 System and method for optimized control of moving irrigation systems
04/14/1998US5740031 Control system for the irrigation of watering stations
04/09/1998WO1998014050A1 Cultivation device and method of manufacturing same
04/07/1998US5735635 Gravity feed watering system for plants
04/07/1998US5735470 Irrigation hose having holes formed on external walls of all flow passages
04/07/1998US5735076 Method for producing high quality crop
04/03/1998CA2187070A1 Method of wetting soil in spring
04/02/1998WO1998013780A1 System and method for optimized control of moving irrigation systems
04/01/1998CN2277167Y Fertilizer drill unit in micro-irrigation system
03/1998
03/31/1998US5732887 Drip irrigation tape and method of manufacture
03/24/1998US5730364 Automatic fertilizing device
03/19/1998WO1998010635A1 A flow-regulating element and drip irrigation units utilizing same
03/19/1998DE19637351A1 Apparatus for watering tennis court
03/18/1998CN2276254Y Low-pressure water delivery irrigation water-supply valve
03/18/1998CA2216186A1 Sump pump sprinkler
03/11/1998CN2275795Y Multifunctional power driven cartridge water-saving irrigation machine
03/11/1998CN2275794Y 洒水器 Sprinklers
03/05/1998DE19635140A1 Irrigation system
03/03/1998US5722601 Drip irrigation hose and method of its manufacture
02/1998
02/26/1998WO1998007658A1 Root intrusion and algae prevention device and method
02/25/1998EP0824306A1 Method for the delivery or reception of uniform quantities of liquids or gases, and hose with a shaped cross-section for use in the method
02/18/1998CN2274412Y Watering car for agricultural and forest industries
02/18/1998CN1173274A Automatic agricultural field water management system for preventing cold-weacher damage, saving water, and increasing harvest
02/12/1998WO1998005824A1 Low energy precision flooding irrigation apparatus and method
02/12/1998CA2262416A1 Low energy precision flooding irrigation apparatus and method
02/11/1998EP0823204A2 Plant watering system
02/10/1998US5715866 Portable fluid dispensing apparatus
02/05/1998WO1998004915A1 Soil moisture sensor
02/04/1998CN2273498Y Built-in type micro-tube watering arrangement
01/1998
01/27/1998US5711490 Automatic sprinkler
01/27/1998US5711482 Resilient disk drip irrigation devices
01/22/1998WO1998002251A1 Drip irrigation emitter construction
01/21/1998CN1170498A Spraying and dripping pipe and its application method
01/20/1998US5710047 Method for monitoring growth and detection of environmental stress in plants
01/20/1998US5709343 Adjustable drop nozzle system
01/15/1998WO1998001510A1 A method for applying plastic soil mulch
01/15/1998WO1998001231A1 Method for producing a gas-droplet jet stream, equipment and nozzle therefor
01/15/1998WO1998001021A1 Soil moisture responder
01/15/1998CA2259236A1 A method for applying plastic soil mulch
01/07/1998EP0814652A1 New emitter unit forms
01/07/1998CN2271808Y Sprinkler
01/02/1998DE19625475A1 Can, especially watering can, which can be folded up when not in use
12/1997
12/22/1997CA2179666A1 Sprinkler
12/18/1997WO1997047182A1 Self-regulated fertilizing irrigation system with ground and over-the-crop dispensing means and snow-forming frost protection means
12/18/1997DE19623339C1 Feeding system for agricultural culture plants
12/17/1997CN2270356Y Anti-blocking drip irrigation belt
12/17/1997CN1168081A Noiseproof electronic elements and devices
12/16/1997US5697187 Method for improving crop yield
12/09/1997US5696671 Evapotranspiration forecasting irrigation control system
12/09/1997US5695129 Flexible joint for irrigation machine with steerable corner span
12/09/1997US5695127 Constant-flow irrigation tape and method of making
12/09/1997US5694972 Saddle tee for irrigation lines
12/03/1997EP0809933A2 Drip irrigation hose
12/03/1997EP0809431A1 Drainage and irrigation system for natural turf athletic field