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