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| Number | Title | Issue Date |
| 7384008 | Laser alignment system for a mechanized irrigation system A laser alignment system is provided for a mechanized irrigation system with the laser alignment system being operatively connected to the drive tower motors of the irrigation system to maintain the spans of the irrigation system in alignment. ... | 06/10/2008 |
| 7100849 | Apparatus and method for positioning road marking material application equipment using holographic sights The present invention provides an apparatus and method for applying road marking material to a pavement surface. The apparatus includes a vehicle having a holographic sight and at least one road marking material applicator mounted thereon. In accordance with the met... | 09/05/2006 |
| 6928339 | GPS-based control system and method for controlling mechanized irrigation systems A GPS-based control system for irrigation systems includes a power supply, a nonvolatile memory for storing a first set of coordinates corresponding to a reference position for the irrigation system, circuitry for receiving GPS data and using the data to generate a ... | 08/09/2005 |
| 6254018 | Alignment control for long center pivot irrigation systems An alignment control is provided for long center pivot irrigation systems which include a center pivot structure having an elongated water pipe extending outwardly therefrom with the water pipe being supported upon a plurality of drive units which propel ... | 07/03/2001 |
| 5613641 | Center pivot irrigation control system A hydraulic control apparatus for hydraulically powered center pivot irrigation systems which utilizes dual-spool, four-way hydraulic valves for controlling the movement of inner support towers, and a pressure controlled directional valve with a dedicated... | 03/25/1997 |
| 5305958 | Dual-directionally hydraulically-controllable center-pivot irrigation apparatus In the prior art, there is U.S. Pat. No. 3,386,611 which discloses a uni-directionally controlled hydraulically-actuatable center-pivot irrigation apparatus, having strategically located three-way valves. The instant invention discloses a dual-directional... | 04/26/1994 |
| 4795099 | Correction steering for a linearly movable irrigation system Correction steering for a linearly movable irrigation system, consisting of interconnected pipes carried by motorized irrigation towers, whereby at least one irrigation tower constitutes a steering unit for correction of the irrigation system in the case ... | 01/03/1989 |
| 4763836 | Irrigation system for precise water and chemical application Apparatus for precise water and liquid chemical application to agricultural fields is provided comprising a control platform with two motors, each motor driving a separate set of drive wheels. The speed of the first platform motor being selectable, the sp... | 08/16/1988 |
| 4629129 | Mobile water irrigation apparatus Water irrigation apparatus comprises a water supply pipe divided into a plurality of sections each formed with a plurality of water outlets spaced along its length; pivotal connections connecting the ends of each section to the ends of the adjacent sectio... | 12/16/1986 |
| 4434936 | Irrigation system An irrigation system, such as of the self-propelled type with a series of self-propelled support towers for supporting and moving an irrigation conduit over a field to be irrigated, the conduit comprised of a series of conduit sections supported by the to... | 03/06/1984 |
| 4423839 | Alignment control system for lateral irrigators An alignment control system for lateral irrigators. The alignment control system includes a dampening feature which monitors changes in the lateral displacement of the master and wing of the irrigator relative to each other and based thereon, operates the... | 01/03/1984 |
| 4364524 | Irrigation control system An irrigation control system includes a rotary water motor which receives water from a valve, which has either a full on or a full off condition, depending on the alignment of an associated irrigation line. A pilot valve which is not susceptible to being ... | 12/21/1982 |
| 4358055 | Guidance system for lateral move irrigation machines A guidance system for maintaining a lateral move irrigation machine along its intended path of movement. The center support tower of the machine carries a guide arm which is pivotal relative to the tower about a vertical axis. A guide wheel on the arm tra... | 11/09/1982 |
| 4350295 | Linear move developments A linear move has its opposite end towers alternately made the master or lead tower to cause the move to first swing slightly one way to give corrrective endwise movement in one direction and then swing slightly the other way to give corrective endwise mo... | 09/21/1982 |
| 4330085 | Laterally mobile irrigation system An overhead irrigation system and a method of controlling it whereby a main irrigation pipe, supported on towers, is moved laterally across a field. The towers at the extremities of the pipe are independently driven while the remaining towers move in resp... | 05/18/1982 |
| 4284240 | Water propelled prime mover in agricultural irrigation systems A water-propelled prime mover in and for agricultural irrigation systems. The hose to be coupled to and pulled by the prime mover, to supply water under pressure for irrigation purposes, also supplies water pressure for torquing the wheel line of the irri... | 08/18/1981 |
| 4277028 | Irrigation system and drive unit therefor An irrigation system for irrigating an area of a field and which includes a liquid conduit extending over a portion of said area to be irrigated. The conduit is supported by wheels which rotate with rotation of the conduit. The system includes a drive uni... | 07/07/1981 |
| 4260109 | Reel transport alignment system A reel transport alignment system wherein movable structure carries a reel such as a winch or a capstan, either of which is provided with a flexible elongate member such as a cable that is to be maintained and anchored at a fixed point spaced from the mov... | 04/07/1981 |
| 4192335 | Guidance system for irrigation sprinkling apparatus A sprinkling apparatus powered for movement along a row of spaced risers. It is guided along a path parallel to the risers without any physical guidance being provided in the spaces between them. A coupler engages each successive riser and selectively com... | 03/11/1980 |
| 4192340 | Agricultural irrigation system and components therefor In an agricultural irrigation system comprising an elongate wheel line having an elongate, essentially rectilinear, central, water conveying conduit and a series of wheels keyed to and supporting such conduit; the inclusion in said irrigation system of a ... | 03/11/1980 |
| 4190068 | Self-correcting linearly movable irrigation system A linearly movable irrigation system, according to the present invention, may include a plurality of interconnected power driven irrigation spans supporting a water supply conduit, which sections are capable of moving over a land area and depositing a con... | 02/26/1980 |
| 4184639 | Side walking irrigation system A first steerable prime mover wheeled tower and a plurality of laterally spaced intermediate and end towers collectively carry a horizontal irrigation conduit which receives water through a hose dragged behind the prime mover wheeled tower. The irrigation... | 01/22/1980 |
| 4172551 | Linear move irrigation system and control therefor A linear move irrigation system and control therefor for use in irrigating large land areas including a water conduit extending over a portion of the field and supported on a series of support towers, the entire conduit being made to move down the field t... | 10/30/1979 |
| 4172556 | Self-propelled linear irrigation system A self-propelled linear irrigation system including an elongated line move having a plurality of sprinkler outlets along its length, a plurality of mobile supports spaced along a line move and a main tractor having water pipe outlet engaging member and a ... | 10/30/1979 |
| 4151858 | Agricultural irrigation system and components therefor In an agricultural irrigation system comprising an elongate wheel line having an elongate, essentially rectilinear, central, water conveying conduit and a series of wheels keyed to and supporting such conduit; the inclusion in said irrigation system of a ... | 05/01/1979 |
| 4142547 | Irrigation system and improvement structure therein In and for an agricultural irrigation system including an elongate, wheel-supported, irrigation wheel line, structural means such as a prime mover for translating such line in a given course of travel over an agricultural field and also for directly apply... | 03/06/1979 |
| 4099669 | Guidance control system for self-propelled mobile sprinkler irrigation systems A mobile sprinkler irrigation system comprising an elongate sprinkler supply pipe supported at one end by a self-propelled pace carriage and along the length thereof by a plurality of spaced self-propelled follower carriages. A tower on the pace carriage ... | 07/11/1978 |
| 4036436 | Self-propelled linear irrigation system A self-propelled linear irrigation system including an elongated line move having a plurality of sprinkler outlets along its length, a plurality of mobile supports spaced along said line move and a main tractor having water pipe outlet engaging member and... | 07/19/1977 |
| 3974845 | Self-correcting linearly movable irrigation system A linearly movable irrigation system, according to the present invention, may include a plurality of interconnected power driven irrigation sections supporting a water supply conduit which sections are capable of moving over a land area and depositing a c... | 08/17/1976 |
