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| Number | Title | Issue Date |
| 7770657 | Multi-speed sweep having progressively aggressive, non-flat soil contacting surfaces An agricultural tillage sweep providing good soil action without ridges in the soil surface at both high and low speed operation in different soil conditions. Wings extending outwardly and rearwardly from a leading nose portion include non-flat soil contacting surfa... | 08/10/2010 |
| 6860336 | Subsoil fertilizer applicator A subsoil applicator has an upright shank provided with a leading soil-slicing edge and a pair of opposite sides. At the bottom of the shank, a pair of soil lifting wings are provided, presenting a pair of outermost wing edges that diverge rearwardly from the lowerm... | 03/01/2005 |
| 6702036 | Cultivator shovel A cultivator shovel for mounting on one of the shanks of a conventional agricultural cultivator. The shovel includes a shank mount in the form of a channel for receiving the shank therein. A shovel body is supported on a lower end of the shank mount and i... | 03/09/2004 |
| 6474909 | Fluid assisted ground wedging device A fluid assisted wedging and compacting device for the installation of underground cable that includes a blade with a cutting edge, two cutting faces a toe, a shoe, a cable feed tube, a pair of deflectors, a pair of grooves and a plurality of high pressur... | 11/05/2002 |
| 6422323 | Tillage tooth for use in an implement providing a smooth finish A tillage tooth for use in an implement which performs shallow tillage with tillage discs followed by chisel plows with winged points performing primary tillage in strips of untilled soil left by the forward discs. The points include wings mounted to eith... | 07/23/2002 |
| 5996514 | Apparatus and method for subsurface application The invention comprises an apparatus for the subsurface application of chemicals such as metham sodium in soil. A frame is shown, capable of being pulled across a field, the frame having a plurality of shanks with a plate and a rearwardly discharging wide... | 12/07/1999 |
| 5979568 | Agricultural sweep having reinforcing ridge An agricultural sweep has an upwardly extending stem adapted to be secured to a tine of an agricultural implement and a ground breaking member comprised of a pair of substantially planar wings diverging rearwardly from a tip. In order to prevent bending o... | 11/09/1999 |
| 5531277 | Bent wing sweep A cultivator sweep includes a body with a forward point and wings diverging outwardly in the rearward direction. In one embodiment, a row side sweep includes a row side wing angled upwardly from the horizontal at an angle of approximately 27 degrees, and ... | 07/02/1996 |
| 5520125 | Combination cultivator and chemical applicator A rig assembly on a combination row crop cultivator and chemical applicator includes a knife or other applicator device supported in front of the cultivator sweep and behind the disk coulter blade. The sweep helps seal the chemical in the ground in certai... | 05/28/1996 |
| 5437337 | Tillage unit with reduced disturbance of surface residue and soil A conservation tillage unit includes a coulter and a plow having a shank, a point and a pair of wings mounted slightly forwardly of the shank. The unit fractures the soil at ground speeds up to seven miles per hour without throwing the surface soil and re... | 08/01/1995 |
| 5172770 | Agricultural shares with dimples An agricultural share having a working portion with a front face, a rear face and two sides converging to a forward point. A plurality of depressions are formed on the rear face of the working portion in the vicinity of the two sides for the purpose of ac... | 12/22/1992 |
| 5161472 | Multi-function draft implement A multi-function draft implement for opening, seeding, and fertilizing is disclosed. The implement provides a vertical knife opener for creating a vertical trench in the ground, a horizontal sweep for opening a horizontal swath in the ground and creating ... | 11/10/1992 |
| 5103918 | Tillage unit A tillage unit 1 reducing soil surface and soil surface crop residue disturbance is provded, including a thin vertical support shank 13 with a generally V-shaped horizontal blade support assembly 2 mounted to its lowest forward-shaped tip by bolts 8. The ... | 04/14/1992 |
| 4770112 | Combination seeding, tilling and fertilizing implement An opener assembly for fertilizing, tilling and seeding in one pass. An opener body is removably attached to an upright support leg and mounts a replaceable fertilizer banding knife. A replaceable sweep blade fixed immediately behind the knife to slice we... | 09/13/1988 |
| 4538689 | Subsoil plow point An improved plow point such as used on a chisel plow has a forward tooth for breaking the soil. Wings extend outwardly and rearwardly of the tooth portion of the tool at a shallow angle. That is, the leading edges of the wings slope downwardly and slightl... | 09/03/1985 |
| 4204579 | Cultivator with pivotal tines A cultivator has a frame normally carried on the back of a tractor and pulled in a predetermined direction along the ground. A plurality of tines extend downwardly from this cultivator and penetrate the ground. Each tine is pivotal about a respective axis... | 05/27/1980 |
| 4185699 | Soil contact tool This invention relates to an improved soil contact tool comprised of a narrow uniform width ground engaging section and a triangular moldboard section extending therefrom. The moldboard section has a center to direct soil away from the mold board with sid... | 01/29/1980 |
| 4141301 | Cultivator and liquid fertilizer blade An improved fertilizer knife includes a main knife-shaped blade which is inclined in a forward direction and which has a fertilizer discharge tube along its trailing edge for discharge of liquid fertilizer into the soil. A pair of wings attached to the ma... | 02/27/1979 |
| 4129082 | Earth working and fluid distribution apparatus An earth-working and fluid distribution apparatus is disclosed including a plow having a frame and a shank connected thereto. The apparatus further includes a, shovel for breaking the earth and creating a furrow connectable to the shank, a fluid supply so... | 12/12/1978 |
| 4079680 | Fertilizer injection apparatus including soil working device An apparatus is disclosed for injecting fertilizer into the soil. A soil working device includes a sweep with a nose portion that moves through the soil as the sweep is moved forward, a pair of trailing sections that diverge from the nose portion, and an ... | 03/21/1978 |
| 4078866 | Yoke holder for replaceable blades A replaceable blade yoke holder, carried by an adapter clamp, comprising a pair of parallel horizontal wedges, with the wedges adapted to be removably held together by bolt holding means, and with certain of adjacent outer edges of the wedges being adapte... | 03/14/1978 |
| 4033271 | Apparatus for subsoil application A knife for applying substances such as fertilizer in solid, liquid or gaseous form cuts a slice in the subsoil with its leading, rearwardly inclined cutting edge and simultaneously firms up and maintains the lower portions of the sides of the slice in re... | 07/05/1977 |
