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| Number | Title | Issue Date |
| 8118110 | Agricultural implements with hinged and floating wings A towable soil pulverizer having a longitudinal center section, and foldable wings mounted by hinges on opposite sides of the center section to fold upwardly or downwardly about substantially longitudinal hinge axes. The wings and center section have ground working ... | 02/21/2012 |
| 7172032 | Ground engaging agricultural tine and associated mounting and indexing system An agricultural implement has gangs of soil aerator tools. Each gang includes a set of integral multi-tine units mounted on a frame for rotation in unison. Each tine unit has a hub with tines. The hub has a first surface defining a first set of indexing receivers an... | 02/06/2007 |
| 6971453 | Control system for a three point implement hitch assembly A control system controls a three point implement hitch assembly of a tractor. The three point implement hitch assembly includes an upper link and two lower links. The upper link includes an adjustable length double acting hydraulic unit. The position of each lower ... | 12/06/2005 |
| 5934382 | Sand fighter for bed planting A plurality of sand fighter rotor units are mounted to a folding frame upon a tractor. Each rotor unit operates in the furrows between rows of crops in an agricultural field. Each rotor unit has a plurality of inboard spiders mounted on an axle between a ... | 08/10/1999 |
| 5577563 | Stack-folding toolbar with floating wings A floating wing apparatus for toolbars which allows each wing to ride smoothly over terraced or rolling terrain, thereby providing a continuous, even contact between the implements carried thereon and the ground. Upper and lower pivot arms extend from the... | 11/26/1996 |
| 5358055 | Partial width seeding attachment A partial width seeding attachment includes electronically controlled solenoids which activate hydraulic flow control valves connected to the hydraulic cylinders on respective implement sections. Switches in the tractor cab control the rockshaft of one or... | 10/25/1994 |
| 4537262 | Soil cultivation A soil cultivating machine comprises two transverse rows of fixed tines and three transversely extending rollers. The front roller has discs which cut parallel slits in the soil. The two following rollers have transversely extending releasable blades moun... | 08/27/1985 |
| 4237985 | Track removing device A device that includes a bracket, a hydraulic cylinder having an end pivotally mounted on an axis of the bracket, a first link pivotally mounted on the bracket on one side of the cylinder and pivotally connected to the extension end of the cylinder, a sup... | 12/09/1980 |
| 4217962 | Hydraulically operated grade scraper A soil ripping tooth assembly is pivotally mounted for vertical movement within a horizontally disposed downwardly and forwardly open box frame having a drawbar and drawn by a prime mover having a hydraulic fluid supply system. A scraping blade is connect... | 08/19/1980 |
| 4055222 | Earth moving implement with adjustable wheel assembly The implement includes a bucket having a lower scraping blade. A pair of laterally spaced ground-engaging wheels are pivotally supported on the rear of the bucket and may be swung upwardly and downwardly in unison to change the elevation of the bucket. On... | 10/25/1977 |
