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| Number | Title | Issue Date |
| 7313905 | Folding implement frame A folding frame for a drawn implement such as a hay rake is disclosed. The frame includes cushion fold cylinders, a lift cylinder, and a windrow width cylinder. The lift arms actuated by the lift cylinder lift the frame wings and engage a selector valve, providing a... | 01/01/2008 |
| 7103986 | Adjustable agricultural marker system and method of manufacture An agricultural marker assembly is disclosed for use with a marker arm that extends from an agricultural vehicle wherein the vehicle moves along a primary travel direction during operation. The assembly includes an extension assembly including at least first and sec... | 09/12/2006 |
| 6901679 | Sprinkler spacer system A spacer system for attachment to a sprinkler to prevent the positioning of the sprinkler too close to a sidewalk or curb, etc., including a spacer which can be attached to the sprinkler, and an elongated stake having a notch for receiving and holding the spacer. Al... | 06/07/2005 |
| 6550151 | Contour measuring device and method The disclosed invention is an improvement on the traditional measuring wheel. When the odometry information is combined with two robust attitude sensors and an on-board computer, the instrument is able to perform useful measurements such as the calculatio... | 04/22/2003 |
| 6298574 | Bituminous paving depth gauge A top reading bituminous paving depth gauge is used to determine the thickness of paving layers. The gauge comprises a depressible rod operatively associated when a rod support system comprising an upper portion having a graduated measuring gauge fixed on... | 10/09/2001 |
| 6125944 | Telescoping field marker A telescoping field marker which is retractable into a compact storage position. The inventive device includes a bracket structure attachable to an implement frame, an inner arm having a lumen pivotally attached to the bracket structure, a hydraulic cylin... | 10/03/2000 |
| 6079114 | Telescoping marker arm A field marker is mounted on the rear corner of the seeder or cultivator frame so that its weight is supported by the packer wheels or support wheel axles at the rear of the frame, thus minimizing the imbalance and uneven seeding that will occur with mark... | 06/27/2000 |
| 5878505 | Device for marking a measuring point The device comprises a pipe (1), in which a shaft (20) of a marking component (2) can be moved. The pipe (1) has a soil anchor (4) at the bottom. The component (2) has a head (21) at the top and can be lifted from a lowered position, in which the head (21... | 03/09/1999 |
| 5579716 | Device for indicating the position of a tractor with respect to a crop row or planter mark A device for indicating the relative position of a tractor with respect to a crop row or planter mark including a vertically disposed, hollow support post secured to the forward end of the tractor at the centerline thereof. A rotatable shaft is mounted in... | 12/03/1996 |
| 5542190 | Bifold field marker The present invention is bifold field marker. The marker utilizes a marking disc mounted on the distal end of an arm. This arm is coupled to a mounting bracket which, in turn, is connected to an implement's tool bar. The arm is articulated at a central kn... | 08/06/1996 |
| 5408756 | Bifold field marker The present invention is a bifold field marker. The marker utilizes a marking disc mounted on the distal end of an arm. This arm is coupled to a mounting bracket which, in turn, is connected to an implement's tool bar. The arm is articulated at a central ... | 04/25/1995 |
| 5094001 | Sighting device A portable sighting device particularly adapted for facilitating the guidance of a vehicle where sight judgment is required to keep the vehicle on a right course. The device has resistably rotatable base having securing means for quick adjustment, removal... | 03/10/1992 |
| 5084980 | Laser alignment system for well equipment A laser beam is used to align instruments, directional core barrel assemblies or other directional equipment before the assemblies are run into wells. A low power laser and special means for clamping the laser and a target to the members of the assembly a... | 02/04/1992 |
| 5027525 | Field marker An improved field marker is provided which can be used on an agricultural implement of the type which includes wing folding. The field marker has an arm with a disk mounted on an outer end of the arm and a mounting system at the inner end of the arm for s... | 07/02/1991 |
| 4837940 | Grader blade height control A height control device for attachment to the end of a grader blade of a motor grader. A gage portion of the device is adjustable for the desired depth of a cut the blade will make with reference to a curb upon which the gage rides.... | 06/13/1989 |
| 4607705 | Row crop cultivator including disk and setting indicator therefor A row crop cultivator for use in farming which includes a pair of weeding disks associated with each cultivator unit of which a plurality is ganged together in series. Each weeding disk is bearingly supported by a vertical shaft which is received by a cro... | 08/26/1986 |
| 4545439 | Apparatus for determining the true cross slope of a blade A blade cross slope sensor includes a first T-member having a stem mounted on the drawbar of a road grader for rotation about a first axis parallel to the axis about which the blade rotates and being coupled to the blade for rotation through the same angl... | 10/08/1985 |
| 4401166 | Furrow follower vision correction system A vision correction device for enabling a tractor to be maintained in centered relation over a guide furrow or the like includes a sighting device and a mounting strip for supporting the sighting device on a tractor forwardly of the operator seat and with... | 08/30/1983 |
| 4363174 | Gravity actuated guiding device for farm machines A gravity-actuated guide for row crops which mounts on a tractor front axle to enable the operator to compensate for changes in transverse slope by steering the tractor and thereby correctly position cultivating equipment behind the tractor in relation to... | 12/14/1982 |
| 4203226 | Path tracing device for spreading or spraying agricultural treatment products or the like This tracing device adapted to be mounted to the front end of a tractor comprises a lateral jib having a length equal to the width of the lanes on which an agricultural or similar product is to be spread or sprayed. This jib is pivoted about a vertical pi... | 05/20/1980 |
| 4162708 | Tool carrying vehicle with laser control apparatus A tool-carrying vehicle, such as a road grader, is provided with an apparatus for maintaining a predetermined distance between its blade or other tool and a laser reference plane generated by a rotating laser beam. The apparatus includes a detector housin... | 07/31/1979 |
