Did You Know...
...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...
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| Number | Title | Issue Date |
| 7311275 | Wheel assembly for irrigation system Mobile towers of an irrigation system have drive wheel assemblies that propel the towers along the ground. At least certain of the wheel assemblies may comprise dual wheels that share a common axis of rotation but are separately driven by their own drive motor. By d... | 12/25/2007 |
| 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 within the joint for speed control or other purposes. A turret that r... | 12/18/2007 |
| 7097113 | Irrigation unit including a power generator An irrigation unit (20) for irrigating an area (12) with a fluid (19) from a fluid source (18) includes a housing (200), a nozzle (220), an electronic component (221), and a power generator (230). The nozzle ( | 08/29/2006 |
| 7066414 | Method and means for reducing stress in a pivot irrigation pipeline A method and means for reducing stress in a pivot irrigation pipeline by permitting the pipeline to be separated from the center pivot structure while maintaining the pipeline in alignment with the center pivot structure. The alignment assembly of this invention fac... | 06/27/2006 |
| 7051952 | Irrigation system The invention relates to an irrigation system particularly for plant cultures comprising an irrigation arm which can be pivoted in a horizontal angle region around an essentially vertical axis, a water jet exiting from the front thereof. According to the invention, ... | 05/30/2006 |
| 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 affected by each of the individual fluid application devices thereon. The... | 09/06/2005 |
| 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 |
| 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 tower for the swing arm. The signal receiving antennas are mounted from t... | 08/02/2005 |
| 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 boom is pivotally secured to the other end of the main boom for irrigati... | 04/27/2004 |
| 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 source of water to the vicinity of the field area to be irriga... | 02/13/2001 |
| 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 boom is pivotally secured to the other end of the main boom ... | 08/01/2000 |
| 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 boom is pivotally connected at its inner end to the outer end... | 07/11/2000 |
| 6045066 | 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 boom is pivotally connected at its inner end to the outer end... | 04/04/2000 |
| 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 sensor at the pivotal connection of the main boom and the exte... | 04/04/2000 |
| 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 boom is pivotally connected at its inner end to the outer end... | 03/28/2000 |
| 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 arm is pivotally secured to the outer end of the main arm... | 03/21/2000 |
| 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 steps of: placing a pressure transducer at the downstream side... | 03/14/2000 |
| 6036122 | 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 boom is pivotally connected at its inner end to the outer end... | 03/14/2000 |
| 6029914 | 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 boom is pivotally connected at its inner end to the outer end... | 02/29/2000 |
| 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 connected at its inner end to the outer end of the main b... | 12/28/1999 |
| 5947393 | 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 corner span is pivotally connected at its inner end to the outer end of... | 09/07/1999 |
| 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 spindle mounted for rotation about a vertical axis in a s... | 12/09/1997 |
| 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 bridged between adjacent carriages and define a spray line.... | 08/30/1994 |
| 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 water and chemical requirements and then, delivering by way... | 09/21/1993 |
| 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 corners. The system and method includes the use or combination... | 06/23/1987 |
| 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 out of the field corners. A double hinge connection betwe... | 02/11/1986 |
| 4549694 | 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 out of the field corners. A double hinge connection betwe... | 10/29/1985 |
| 4522338 | Irrigation system A self-propelled irrigation system that is fully automated to irrigate regular and irregular shapes of land. The system includes a self powered cart and hose connection system by which access is made to various points along the length of a water supply ma... | 06/11/1985 |
| 4508269 | 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 out of the field corners. A double hinge connection betwe... | 04/02/1985 |
| 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 system, the wheeled support assembly being characterized in th... | 02/21/1984 |
| 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 conduit having spaced flexible couplings and nozzles and ... | 05/10/1983 |
| 4368848 | Self propelled irrigation systems An improved center pivot irrigation system is disclosed which uses a water driven turbine and a chain drive apparatus to propel the system. A mechanical linkage senses the alignment of the pipeline and actuates the turbine. A cam and cable arrangement is ... | 01/18/1983 |
| 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 relative to one another about a center pivot point. The c... | 07/20/1982 |
| 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 extended contact bar interconnected by a mechanical linkage... | 12/15/1981 |
| 4277023 | 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 either intermittently or continuously so that it waters or ir... | 07/07/1981 |
| 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 intervals along its length has one or more short range an... | 02/10/1981 |
| 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 either intermittently or continuously so that it waters or ir... | 12/23/1980 |
| 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 the arc of rotation of the irrigation pipes by contact wit... | 10/21/1980 |
| 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 sprinkler having main fluid discharges nozzles for irrigat... | 10/14/1980 |
| 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 coupling member thereon into coupled engagement with a set... | 09/23/1980 |
