Patents for A01G 25 - Watering gardens, fields, sports grounds, or the like (11,921) |
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01/01/1980 | US4181257 Self-propelling watering apparatus |
01/01/1980 | US4181051 Method of making fluid-issuing openings through the walls of flexible plastic members, particularly dripper emitters |
12/25/1979 | US4180348 Subsurface irrigation and drainage system |
12/25/1979 | US4180099 Fluid flow controller |
12/25/1979 | US4180092 Center pivot construction for center pivot sprinkler |
12/25/1979 | US4180087 Automatic control for an adjustable member |
12/18/1979 | US4178954 Diaphragm valve and valve system |
12/13/1979 | WO1979001092A1 Fluid flow regulating valve and system |
12/11/1979 | US4177947 Irrigation device |
12/11/1979 | US4177946 Integral drip irrigation system |
12/11/1979 | US4177926 Water accumulator-distributor for agricultural sprinkler |
12/04/1979 | US4176791 Automatically controlled irrigation system |
12/04/1979 | US4176676 Means for converting a water drive center pivot irrigation system to air drive |
11/27/1979 | US4176395 Interactive irrigation control system |
11/27/1979 | US4175882 Hose conduits for drip- or trickle emission |
11/27/1979 | US4175600 Anti-syphon safety dispenser |
11/27/1979 | US4175579 Device for automatic, selective watering of plants |
11/27/1979 | CA1066903A1 Surface irrigation gate |
11/20/1979 | US4174809 Irrigation machine |
11/13/1979 | US4174067 Irrigation system |
11/06/1979 | US4173309 Flow control devices particularly useful for drip irrigation |
10/30/1979 | US4172556 Self-propelled linear irrigation system |
10/30/1979 | US4172551 Linear move irrigation system and control therefor |
10/18/1979 | WO1979000810A1 A self-propelled irrigator |
10/03/1979 | EP0004371A1 Overwatering prevention control system |
09/25/1979 | US4168802 Self propelled agricultural spraying vehicle |
09/20/1979 | WO1979000694A1 A method of controlling the relative humidity in a soil environment and apparatus for accomplishing same |
09/19/1979 | EP0004159A1 A method of controlling the relative humidity in an environment and apparatus for accomplishing such method |
09/04/1979 | US4166580 Drip irrigation apparatus |
09/04/1979 | US4166576 Lock valve for sprinkler |
08/21/1979 | US4165532 Automatic irrigation sprinkler system controller |
08/14/1979 | US4164323 Bracing attachment for wheeled sprinkler system |
08/07/1979 | US4163459 Mobile pivot tower for irrigation system |
08/07/1979 | CA1059775A1 Corrogated drainpipe and method of manufacturing same |
07/31/1979 | US4162863 Device for soil irrigation |
07/24/1979 | US4162041 Liquid sprinkling device of composite pipe type |
07/17/1979 | US4161292 Center pivot irrigation system having apparatus for irrigating corners |
07/17/1979 | US4161291 Emitter |
07/17/1979 | US4161185 Alignment control apparatus for a self-propelled irrigation system |
06/26/1979 | US4159080 Linear sprinkling irrigation apparatus |
06/19/1979 | US4158534 Apparatus for cutting openings at arbitrarily selectable intervals into pipes |
06/19/1979 | US4158441 Automatic irrigation system for control valve assembly |
06/19/1979 | CA1056610A1 Flexible multilayer tubular structure for irrigation and process for its preparation |
06/13/1979 | EP0002336A1 Conduit and off-take for drip irrigation systems |
06/05/1979 | CA1055837A1 Apparatus for cutting openings in a trickle irrigation pipe |
05/29/1979 | US4156504 Trap means for center pivot irrigation system |
05/29/1979 | US4156396 Root irrigation dripilator device with spray head |
05/29/1979 | US4156324 Method and apparatus for artificial irrigation of flower beds and garden plots etc. |
05/22/1979 | US4155679 Irrigation systems control |
05/15/1979 | US4154549 Method of sealing soil and other materials against the leakage of liquids and gases |
05/15/1979 | CA1054654A1 Drive means for irrigation system |
05/08/1979 | US4153380 Soil penetration emitter for drip irrigation systems |
05/08/1979 | US4153070 Pipeline drive system |
05/01/1979 | US4151858 Agricultural irrigation system and components therefor |
04/24/1979 | US4150685 Liquid distribution device |
04/17/1979 | US4149676 Extractors |
04/17/1979 | US4149570 Nonlinear sensor for center pivot drive control system |
04/10/1979 | CA1052416A1 Irrigation system |
04/03/1979 | US4147307 Multiple emitter flow control |
04/03/1979 | CA1051956A1 Bladder capable of being displaced through a longitudinal rolling motion |
03/27/1979 | US4146054 Means for positioning a valving device with a timing device |
03/27/1979 | US4146049 Traveling sprinkler radio-controlled mechanism and warning device |
03/20/1979 | US4145208 Method and composition for improving the functioning of drip irrigation systems |
03/20/1979 | CA1050940A1 Liquid sludge disposal |
03/13/1979 | US4143820 Emitter for drip irrigation systems |
03/06/1979 | US4142548 Control for rotating arm irrigation system |
03/06/1979 | US4142547 Irrigation system and improvement structure therein |
03/06/1979 | CA1050082A1 Apparatus for sprinkling large areas |
02/27/1979 | US4141477 Controlled irrigation device |
02/20/1979 | US4140421 Soil irrigation system |
02/20/1979 | US4140197 Trojan bar suspension device |
02/13/1979 | US4139223 Irrigation pipe coupler |
02/13/1979 | US4139159 Flexible multilayer tubular structure for irrigation and process for its preparation |
02/13/1979 | US4139018 System for automatic forward bow alignment on water drive pivot |
02/06/1979 | US4138705 Over-power safety device for motor driven system |
02/06/1979 | US4137931 Conduction type soil matric potential sensor |
01/30/1979 | US4136826 Water activated stop for spinners |
01/30/1979 | CA1047574A1 Fluid-flow control devices |
01/23/1979 | US4135738 Trail line moves |
01/23/1979 | US4135668 Soaker hose support |
01/23/1979 | US4135539 Speed control means for center pivot irrigation system |
01/16/1979 | US4134551 Emitter for drip irrigation |
01/16/1979 | US4134550 Liquid flow control device |
01/16/1979 | US4134422 Irrigation line mover |
01/10/1979 | EP0000231A1 A distribution device for a fluid such as water |
01/09/1979 | US4133344 Power transmission for self-propelled irrigation system |
01/09/1979 | CA1046106A1 Center pivot irrigation system |
01/02/1979 | US4132364 Casing mounted emitter |
01/02/1979 | US4132244 Drive means for irrigation system |
12/26/1978 | US4131234 Adjustable bubbler sprinkler head |
12/26/1978 | US4131133 Adaptor for manual lawn and garden sprinkler valves |
12/19/1978 | US4130382 Control system for irrigation pumps |
12/19/1978 | US4130135 Automatic liquid flow control device |
12/12/1978 | US4129150 Fluid distributor and fluid distributor cell |
12/12/1978 | CA1044279A1 End-control, agricultural sprinkler irrigation system |
12/05/1978 | US4128205 Wind correction method and apparatus for irrigation systems |
12/05/1978 | US4128107 Surface irrigation gate |
11/28/1978 | US4127181 Water drive system for a center pivot irrigation unit or the like |
11/28/1978 | US4126998 Irrigation apparatus |
11/28/1978 | CA1043392A1 Method and apparatus for reversibly powering a mobile irrigation system |