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| Number | Title | Issue Date |
| 7325756 | Roll-sprinkler irrigation system A roll-sprinkler system comprises with horizontal water conducting pipe portions as the supporting means for multiple wheels. The pipes conducting liquid to the sprinkler heads for irrigations have an opening adaptor allowing the system to connect with standard gard... | 02/05/2008 |
| 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 |
| 7207503 | Chemical dispensing means for a travelling lawn sprinkler A chemical dispenser which is selectively removably mounted on a travelling lawn sprinkler. The chemical dispenser dispenses liquid chemical into the water being sprinkled onto the lawn by the water distributor as the self-propelled travelling lawn sprinkler propels... | 04/24/2007 |
| 7121483 | Liquid manure spreading tool bar A liquid manure spreading tool bar for use on a manure spreader, wherein the manure spreader has a tank and a pump, and wherein the spreading tool bar has a supporting frame externally mounted onto the tank, a manure distributor mounted onto the supporting frame, a ... | 10/17/2006 |
| RE39188 | Irrigation method Large crop areas are irrigated, for instance by pivot irrigation, by being sprayed with water into which a substantially stable dispersion in a liquid of water soluble polymer particles has been metered at a predetermined low rate. ... | 07/18/2006 |
| 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 |
| 6000625 | Irrigation method Large crop areas are irrigated, for instance by pivot irrigation, by being sprayed with water into which a substantially stable dispersion in a liquid of water soluble polymer particles has been metered at a predetermined low rate.... | 12/14/1999 |
| 5938127 | Outlet for connecting spray nozzles, drop tubes or the like to an irrigation pipe An outlet for connecting spray nozzles, drop tubes or the like to an irrigation pipe comprising a generally cylindrical-shaped member having an inner end, an outer end, an annular shoulder protruding outwardly therefrom between the inner and outer ends, a... | 08/17/1999 |
| 5755058 | Farming method using waste material A method of farming comprises collecting waste material such as manure from animal farming, or effluent from food processing plants or the like in a closed container, stirring and aerating the material within the container and adding yeast and phosphoric ... | 05/26/1998 |
| 5678771 | Chemical distribution system A chemical distribution system for use with a mobile irrigation system comprising a liquid chemical supply line vertically adjustably supported on the irrigation system and which is in operative communication with a pressurized source of liquid chemical. ... | 10/21/1997 |
| 5628262 | Interseeding apparatus and method An interseeder apparatus and method for dry broadcast distribution of seeds in conjunction with a center-pivot irrigation system. The interseeder apparatus comprises a storage container for storing a quantity of dry seed to be interseeded. The storage con... | 05/13/1997 |
| 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 |
| 4993634 | Programmable chemical application system A system for programming and controlling the rate at which an agricultural chemcial (e.g., fertilizer) is supplied to the water in an agricultural irrigation system. In one embodiment the system is combined with a center pivot irrigation system having a v... | 02/19/1991 |
| 4949656 | Distribution manifold for mobile span-and-tower irrigation systems A field planting system for use in conjunction with large span and wheel tower irrigation apparatus to place seed in a field across a number of rows simultaneously. Seed is suspended uniformly in a gel solution and injected into a stream of carrier water.... | 08/21/1990 |
| 4917304 | Automatic controller for injection of additives into irrigation water An injection control system selectively to activate circuitry for controlling injection of additive chemicals into an existing automatically timed irrigation system having an irrigation timer. This control system includes a plurality of storage reservoirs... | 04/17/1990 |
| 4878614 | Programmable fertilizer application system A system for programming and controlling the rate at which an agricultural chemical (e.g. fertilizer) is supplied to the water in an agricultural irrigation system. In one embodiment the system is combined with a center pivot irrigation system having a ve... | 11/07/1989 |
| 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 |
| 4729514 | Means for seeding through a center pivot irrigation system In this invention, a means is described for seeding through a self-propelled irrigation system. In one form of the invention, the seeds are metered into an auxiliary water line, supported on the main water line, and are sprinkled onto the ground by way of... | 03/08/1988 |
| 4660775 | Means for seeding through a center pivot irrigation system In this invention, a device is described for seeding through a self-propelled irrigation system. In one form of the invention, the seeds are metered into an auxiliary water line, supported on the main water line, and are sprinkled onto the ground by way o... | 04/28/1987 |
| 4397421 | Method and means for applying chemicals to a field A liquid chemical spraying apparatus is described whereby liquid chemical may be applied to a field by utilizing a center pivot irrigation system. The center pivot irrigation system comprises a water supply pipe which is movable about a center pivot and w... | 08/09/1983 |
| 4336908 | Irrigation system and volume control valve therefor The disclosure is directed to a center pivot irrigation system capable of operation under high or low water pressure and a constant volume sprinkler head therefor, which together provide uniform water distribution over an agricultural field notwithstandin... | 06/29/1982 |
| 4277026 | Liquid chemical spraying apparatus movable by a tower-type water irrigation system Apparatus for treating a field crop with liquid chemical for use with a water irrigation system of the type including a plurality of longitudinally spaced towers, and a mechanism for intermittently moving each of the towers to move the system through the ... | 07/07/1981 |
| 4015366 | Highly automated agricultural production system The present invention provides a highly automated agricultural production system which comprises, as essential components: 1. A sensing subsystem comprising direct and indirect sensing means in an agricultural production area. The direct sensing means are gene... | 04/05/1977 |
