Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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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 |
| 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 |
| 7150419 | Trailer front mounted sprayers The sprayer trailer has a trailer frame with a font end and a rear end. A pair of wheels are connected to the trailer frame. A hitch assembly includes a rear mast with a lower end connected to the trailer frame and a front mast with a front mast top end connected to... | 12/19/2006 |
| 7073735 | Boom breakaway system Foldable boom inner wings are attached to a boom center frame through a rocker attached to a breakaway hydraulic cylinder pressurized to full stroke and connected to an accumulator. When a wing impacts an object, the impact load is transmitted through the fold cylin... | 07/11/2006 |
| 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 |
| 7004513 | Pipe coupling methods A pipe coupling method includes an inlet insert, a clamping ring, a clamp and the forming of a flange on an end of two adjacent pipes. A clamping ring includes an inner groove sized to receive the flanges of the two adjacent pipes. A first end of the inlet insert is... | 02/28/2006 |
| 5709343 | Adjustable drop nozzle system An apparatus attachable to a center pivot irrigation system provides for the raising and lowering of all sprinkler heads simultaneously. The apparatus includes a bar along the length of the system rotatably mounted in brackets attached to the bottom of th... | 01/20/1998 |
| 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 |
| 4858832 | Agricultural water cannon A mobile agricultural water cannon to transfer water from sloughs and shallow ponds to adjoining land has (1) a suction pod to collect the water into a suction chamber, (2) a tail boom assembly to lower the suction pod into the water from adjoining land, ... | 08/22/1989 |
| 4625997 | Wheeled carriage for supporting and transporting pipes A wheeled carriage comprises a frame member, two independently swivelling ground-engaging wheels mounted spaced apart below the frame member, and at least one pipe support member mounted below the frame member for pivotting about a substantially horizonta... | 12/02/1986 |
| 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 |
