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| Number | Title | Issue Date |
| 6935435 | Positionable cultivating apparatus for raised bed crops A cultivating implement has transversely opposing sub-frames slidably mounted in the main frame of the implement to permit lateral positional adjustment of work implements carried by the sub-frames. The work implements are supported by a mounting apparatus providing... | 08/30/2005 |
| 5915481 | Tillage implement with on the go angle and depth controlled discs A tillage implement adapted to be towed by a tractor. The tillage implement having on-the-go angle adjustable disc blades which enables the farmer to vary the amount of crop residue left on the surface of the soil. The implement is comprised of a main fra... | 06/29/1999 |
| 5878821 | Tillage implement with on-the-go angle and depth controlled discs A tillage implement with on-the-go angle and depth controlled discs. The toolbar upon which the discs are mounted is pivotally secured to the wheeled implement frame assembly and may be hydraulically pivoted to raise or lower the discs relative to the fra... | 03/09/1999 |
| 5462124 | Dual coulter device A pair of coulter units arranged in a staggered relationship, each coulter unit having an upstanding shank of a height to place the shanks below a tool bar, a single, relatively flat plate disposed on a diagonal to support both shanks, and a single upstan... | 10/31/1995 |
| 5458203 | Device for working the ground A device for working the ground comprising a frame and a plurality of discs is disclosed. Each disc is rotatably mounted on a shaft which is provided on one end of a pivotable standing shaft. In order to prevent jamming of the discs by earth thrown up by ... | 10/17/1995 |
| 5337834 | Disk excavating and grading attachment An earth moving machine attachment is disclosed comprising a plurality of disk units mounted to a disk unit mounting beam which is fixed to a beam pushing frame for pivotally coupling to a dozer or tractor C frame. The beam pushing frame is angled obtusel... | 08/16/1994 |
| 5259460 | Device for working the ground A device for working the ground comprising a frame and a plurality of discs. Each disc is rotatably mounted on a shaft which is provided on the free end of a pivotable standing shaft. In order to prevent jamming of the discs by earth thrown up by adjacent... | 11/09/1993 |
| 5135056 | Plough apparatus Plough apparatus comprising a wheeled support structure (10) that supports a plough beam (20) that is pivotable in a horizontal plane about the center of the support structure between first and second plough beam positions. The plough beam (20) carries a ... | 08/04/1992 |
| 4036306 | Multi-unit adjustable plow pulled by vehicle and having steering wheel turnable only on adjustment of plow The plow system may carry as many as 10 or 14 individual plow units. All of the units are connected together by a tie rod and may be pivoted in unison relative to a main frame. By pivoting the units, they may be opened or closed to adjust the width of cut... | 07/19/1977 |
| 4036305 | Gang plow A plurality of plow units are mounted to a main frame of a plow system for rotation about their vertical axes. The plow units are spaced at equal lateral increments and at uniformly increased distances from a pivot connection between the main frame and a ... | 07/19/1977 |
