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| Number | Title | Issue Date |
| 6209657 | Forward folding tillage implement A forwardly folding tillage implement carries a number of ground engaging tools on a tool gang frame disposed to the rear of a carrier frame. A rockshaft is disposed between the carrier frame and the tool gang frame and is movable between four rotated pos... | 04/03/2001 |
| 6202756 | Forwardly folding agricultural planter An agricultural planter is provided with hydraulically operated devices to effect the folding and unfolding of the planter support structure between operative and transport configurations. The planter includes a telescopic hitch apparatus that lengthens a... | 03/20/2001 |
| 6192994 | Lift assist mechanism for a forwardly folding planting implement An agricultural implement, having a tool bar that is pivoted forwardly to initiate the conversion of the implement from a working position toward a transport position, including left and right wing members extending in opposing directions to respective di... | 02/27/2001 |
| 6076611 | Implement mounted depth control system A depth control system for controlling the working depth of an implement. The depth control system includes a monitor having an automatic mode of operation and a manual mode of operation wherein the automatic mode of operation provides preset, discrete wo... | 06/20/2000 |
| 5535688 | Tool bar planter system for combines An apparatus for adapting a tool bar planting system to the front of an agricultural combine. The tool bar is secured to the front framework of the combine after the grain head has been removed. The tool bar includes folding extension arms that allow for ... | 07/16/1996 |
| 5429195 | Operable coulter frame for farm implements An operable coulter frame is removably mounted on a farm implement of the type having a tool bar with foldable ends. The operable frame includes a central shaft rotatably mounted on the tool bar, and a pair of auxiliary shafts rotatably mounted on the fol... | 07/04/1995 |
| 4775014 | Ground-working implement A ground-working implement for rotary field tilling or ice or snow-tending n ski slopes or the like which is drawn by a tractor or a tracked vehicle and which comprises a holder connected to the vehicle pendulously by a longitudinal beam which can be raise... | 10/04/1988 |
| 4618005 | Orientable ripper An apparatus for attachment to a vehicle, preferably a bulldozer, comprises a first arm having a ripper shank extending therefrom which is pivotally attached to a second arm. A second arm is mounted to a vehicle for rotation about a horizontal axis so tha... | 10/21/1986 |
| 4356644 | Root grubbing plow A grubbing plow mounted on two lower arms and an upper attachment point of a 3-point tractor hitch includes a frame having (1) a horizontal pivotal bar journaled at opposite ends thereof on the lower hitch arms; (2) an upper crank arm; and (3) a lower mem... | 11/02/1982 |
| 4355475 | Root grubbing plow A grubbing plow mounted on two lower arms and an upper attachment point of a 3-point tractor hitch includes a frame having (1) a horizontal pivotal bar journaled at opposite ends thereof on the lower hitch arms; (2) an upper crank arm; and (3) a lower mem... | 10/26/1982 |
| 4186805 | Ground working implement A plurality of ground working sections such as cultivator sections, are flexibly connected together and operatively connected to a hitch pole assembly. Each section is supported upon a pair of castor wheels mounted on a fore and aft beam pivotally connect... | 02/05/1980 |
| 4149475 | Seed and fertilizer drill with spring loaded coulters counter-mounted on vertically adjustable beam Seed drill has a row of coulters which are raised and lowered by a beam positioned above the coulters and connected to the coulters by spring assemblies. The beam is journalled for pivotal movement about its longitudinal axis and the spring assemblies are... | 04/17/1979 |
| 3973632 | Ripper for tractors and similar vehicles A scarifier or ripper attachment for a tractor or like vehicle, comprising a support structure carrying a pivoted arm on the free end of which is a pivoted tool-carrying frame. The elevation of the arm is controlled by an hydraulic elevation actuator and ... | 08/10/1976 |
