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7510132 |
Linear-feed irrigation apparatus and related method
A linear water feed apparatus for use in agricultural irrigation includes a linear-move machine with a mobile truss assembly supporting a plurality of individual sprinklers and adapted for movement...
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7309035 |
Irrigation system joint
A flow-through joint in an irrigation machine between the main pipeline section and a swing span, such as a corner span, permits a limited amount of generally linear displacement of the swing span...
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6938842 |
Flow control for irrigation machines
This invention relates to a fluid flow control method that enables a self-propelled irrigation machine to apply varying amounts of fluid as might be required to suitably treat the surface area...
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6923390 |
Swing arm guidance system
A guidance system for controlling the steering of a swing arm on a center pivot irrigation system is provided through the use of two satellite signal receiving antennas associated with a drive...
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6726132 |
Corner irrigation system including an ultra wide band (UWB) guidance system
A self-propelled irrigation machine including an elongated main boom pivoted at one end to a center pivot and supported on a plurality of self-propelled, non-steerable drive units. An extension...
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6186423 |
Irrigation system
An irrigation system for a field, wherein a circular central portion of the field is irrigated by a center pivot irrigation machine, comprising a buried primary water line which extends from a...
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6095439 |
Corner irrigation system including a GPS guidance system
A self-propelled irrigation machine including an elongated main boom pivoted at one end to a center pivot and supported on a plurality of self-propelled, non-steerable drive towers. An extension...
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6085999 |
Corner irrigation system
An irrigation system is disclosed which includes a center pivot support having an elongated main water boom pivotally connected thereto which extends outwardly therefrom. An elongated extension...
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6045065 |
Method of maintaining a uniform chemical depth under the center pivot portion of a corner irrigation system
The method of controlling the speed of the last regular drive unit (L.R.D.U.) of a center pivot irrigation machine having a corner span pivotally connected thereto comprising: placing an angle...
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6042031 |
Center pivot irrigation system
An irrigation system is disclosed which includes a center pivot support having an elongated main water boom pivotally connected thereto which extends outwardly therefrom. An elongated extension...
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6039273 |
Corner pivot irrigation machine
A corner pivot irrigation machine comprising a main arm extending outwardly from a center pivot structure supported upon and driven by a plurality of non-steerable drive towers. An elongated corner...
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6036121 |
Method of varying the speed of a center pivot irrigation system
The method of controlling the speed of the last regular drive unit of a center pivot irrigation system having a corner irrigation system pivotally connected thereto is disclosed comprising the...
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6007004 |
Center pivot irrigation system
An irrigation system is disclosed which includes a center pivot support having an elongated main water boom pivotally connected thereto which extends outwardly therefrom. A corner span is pivotally...
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5695129 |
Flexible joint for irrigation machine with steerable corner span
A flexible joint accommodates relative horizontal motion between the main pipeline of a center pivot irrigation machine and a swing span without unduly stressing the spans. The flexible joint has a...
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5341995 |
Relocatable irrigator
A relocatable irrigator for easily converting between irrigation and transport modes of operation. The irrigator includes a number of carriages separated by pipeline spans. The pipeline spans are...
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5246164 |
Method and apparatus for variable application of irrigation water and chemicals
Disclosed are a method and apparatus (10) for cataloging or dividing a given field, under irrigation by an irrigation system (100), into a plurality of zones which can be monitored for irrigation...
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4674681 |
Irrigation system and apparatus
This is concerned with an irrigation system or mechanism which is constructed and arranged and intended to water non-circular fields which may be considered polygonal sided intersecting at the...
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4569481 |
Corner watering system for center pivot irrigation machines
A center pivot irrigation machine having a swing arm for irrigating corner areas of a field. The swing arm has a steerable support tower which follows a buried cable to guide the swing arm into and...
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RE31838 |
Irrigation apparatus
Self-propelled irrigation apparatus for watering non-circular areas includes a main arm assembly pivoted at one end and supported at intervals by self-propelled support towers. An extension arm...
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4432494 |
Self-steerable wheel assembly for irrigation systems
In a self-propelled irrigation system, a wheeled support assembly is specifically adaptable for use in controlling the movement of an articulated or corner boom with respect to the rest of the...
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4382550 |
Central-pillar assemblies for center-pivot irrigation apparatuses
Sprinkler irrigation apparatus of the general type comprising a central-pillar assembly at the center-pivot site of the land tract to be irrigated, a generally horizontal lengthy water distributing...
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4340183 |
Corner system addition for a center pivot irrigation system
A corner boom which includes a secondary water conduit is pivotally connected to the end of a center pivot boom which includes a primary water conduit and comprises a series of sections which pivot...
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4305549 |
Valve apparatus and method for controlling flow to an end gun of a pivot irrigation apparatus
A valve apparatus and method for controlling flow of water to an end gun of a pivot irrigation apparatus. An actuator mechanism for the valve apparatus includes a horizontally mounted, downwardly...
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4249698 |
End gun sequencing apparatus and method
A center pivot irrigation system having an elongated concuit assembly with an inner end pivotally connected to a water source at a center pivot and having a plurality of discharge nozzles at spaced...
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4240582 |
Center pivot irrigation system with corner watering arrangement
This is concerned with a so-called center pivot irrigation system in which a string of pipe is supported on wheeled towers at intervals and pivots about a so-called center pivot or water supply...
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4228955 |
Safety device for mobile irrigation assemblies
This invention relates to pivoted, articulated, mobile irrigation systems in general, and more particularly to an improved safety device which senses a pre-positioned ground engaging means to stop...
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4227648 |
Center pivot irrigation system having apparatus for irrigating corners
A center pivot irrigation system has first and second auxiliary nozzles, or end guns, aternately operable for irrigating substantial portions of corner regions. The system includes a main pipeline...
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4223839 |
Corner watering circle move
A corner watering circle move in which a line move and sprinklers thereon are stopped when the move comes to a corner portion of a field, an end section of the move then is swung to move a movable...
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4186880 |
Program control for center post irrigation system
The present disclosure entails a program controlled multi-loop system for providing even distribution of irrigating water over normally square plots. More specifically the disclosure includes...
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4128205 |
Wind correction method and apparatus for irrigation systems
A device which controls the discharge of liquid from an elevated spray head according to the wind conditions. A wind sensor is mounted near the end of an irrigation boom or other elevated pipe. An...
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4120454 |
Center pivot irrigation apparatus
An electrically controlled water powered reversible center pivot irrigation apparatus is disclosed. The apparatus includes a multiplicity of water-carrying conduits flexibly connected to each other...
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4063569 |
Tract-tailored control means and method for center-pivot irrigation apparatus
Sprinkler irrigation apparatus of the general type comprising a center-pivot site for the land tract to be irrigated, a generally horizontal water distributing conduit having sprinklers and also...
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4033508 |
Automated irrigation system
In a center pivot irrigation system, comprising a hollow tube advanced on a wheeled carriage around a pivot and including a plurality of spray heads thereon, the improvement comprising a...
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4011990 |
Center pivot irrigation system
A center pivot irrigation system and a method of operating it whereby noncircular areas outside of the circle described by the center pivot, for example the corners of a square field, may be...
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3979062 |
Peripheral water balance control for center pivot irrigation system
A water balance control for a pivotal end boom connected to the outer end of a center pivot irrigation system to irrigate peripheral areas (e.g., corners) beyond the periphery of the circular area...
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3921908 |
Corner irrigation machine
This is concerned with so-called center pivot irrigation systems for irrigating farm and agricultural lands and is more specifically a mechanism for irrigating the corners, or substantial portions...
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3902668 |
Center-pivot irrigation system
A center-pivot irrigation system for large area irrigation including an elongated main water conduit, mounted on an extending between a series of self-propelled support towers and projecting...
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3750953 |
ELECTRICALLY DRIVEN CIRCULAR IRRIGATION SYSTEM
An elongated boom having a plurality of sprinkler heads mounted thereon with the boom being constructed of a plurality of articulately connected sections supported by electrically driven wheeled...
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3643442 |
AGRICULTURE IRRIGATING METHOD
A method of irrigating a field for maximum efficiency wherein the water is flowed onto the field from above and from mobile irrigation apparatus at a flow rate far exceeding the permeability factor...
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3628729 |
MOBILE IRRIGATION APPARATUS
A water conduit having sprinkler heads spaced along its length pivots about one end which is connected to a source of water. A series of towers on wheels spaced along its length supports the...
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3539107 |
IRRIGATION SYSTEMS
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3536261 |
SPRINKLER IRRIGATION DEVICE
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3406907 |
Irrigating device
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3352493 |
Self propelled irrigator
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