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