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| Number | Title | Issue Date |
| 4760804 | Air injection cultivator A cultivator has a blade downwardly projected from a frame, an injector provided at a lower portion of the blade, a compressor mounted on the frame and an air tank for storing air compressed by the compressor. An unloading valve provided in a hydraulic ci... | 08/02/1988 |
| 4745978 | Mounting arrangement for a coulter and knife A mounting arrangement for a coulter and knife which are mounted on separate collars on a vertical shank with the knife movable in the same vertical plane as the coulter including a locking mechanism which connects the mounting collars of the knife and co... | 05/24/1988 |
| 4656957 | Liquid fertilizer applicator A liquid fertilizer applicator is provided, designed to be pulled by a motive power source, for use in a variety of soil and tillage conditions. It includes a disc-shaped coulter and an associated applicator knife mounted in trailing relation to the coult... | 04/14/1987 |
| 4628840 | Combination coulter and fertilizer knife apparatus A combination coulter and fertilizer knife apparatus for applying fertilizer to the soil including a frame having a coulter rotatably attached to the frame along a substantially horizontal axis for the purpose of cutting a slot in the soil. A fertilizer k... | 12/16/1986 |
| 4574715 | Agricultural fertilizer applicator An improved fertilizer applicator includes a rolling coulter and a knife both mounted to a single tool bar mount but with separate spring cushions for independent clearing action and designed for improved clearance suitable for use in heavy residue.... | 03/11/1986 |
| 4548276 | Soil cultivating implement A cultivating implement is intended to loosen the soil without significant distrubance of the soil surface. The implement has a frame and at least one soil working tool mounted on the frame. The tool includes a blade with a lower inclined portion and an upper ... | 10/22/1985 |
| 4538532 | Anhydrous ammonia fertilizer applicator An anhydrous ammonia fertilizer applicator for applying fertilizer to the root system of Bermuda grass and the like and which includes a rolling coulter which will cut through Bermuda grass roots, debris and the like in front of an applicator knife dispos... | 09/03/1985 |
| 4535849 | Implement with horizontal linkage depth control An agricultural tillage implement has a main frame provided with support wheels and carrying the first set of ground working tools. A first lift mechanism raises and lowers the main frame relative to the support wheels. A sub-frame, carrying a second set ... | 08/20/1985 |
| 4466364 | Planter attachment The invention relates to agricultural implements for planting. Increased efficiency of planting in general and incorporating fertilizer in particular in no-till situations is achieved by frame, disk and knife assemblies (14, 15, 16) mounting a disk (44) i... | 08/21/1984 |
| 4461355 | Cultivator row unit with ridger/bedder implement An inter-row crop cultivator for use particularly in severe residue conditions such as in minimum tillage conservation applications is disclosed. A leading gauge wheel providing support and soil surface tracking is immediately trailed by two laterally dis... | 07/24/1984 |
| 4444271 | Tillage apparatus with independent depth adjustment An agricultural tillage implement adapted to be pulled by a vehicle comprises a main frame adapted to carry ground working tools. The main frame is supported on wheels rotatably mounted thereto. A sub-frame carrying ground working tools is mounted to the ... | 04/24/1984 |
| 4408551 | Row planter A row planter having an improved opening means preferably used in combination with a furrow forming shoe. The opening means includes an unitary, disc means mounted for rotation about a horizontal axis and the shoe is mounted so that a peripheral portion t... | 10/11/1983 |
| 4407371 | Coulter attachment for seed planting apparatus Apparatus is disclosed which facilitates the ready attachment and detachment of coulters to a standard seed planting device. The seed planting device is typically of a type that is towed behind a tractor and automatically furrows the ground, deposits the ... | 10/04/1983 |
| 4377979 | Conservation tillage row crop planter system The planter includes a number of forward tillage units each followed by an aligned planting unit. Both units are independently mounted by four-bar linkages to the planter frame. Each tillage unit includes a leading banded coulter followed by a pair of rol... | 03/29/1983 |
| 4227581 | Ground preparing apparatus for no-till planting Ground preparing apparatus for seed planting comprising a frame adapted to be drawn along a field by a tractor or the like connected to the leading end of the frame and with a planting machine connected to the trailing end of the frame. A colter disc rota... | 10/14/1980 |
| 4203494 | Tool and disk mounting assembly A reversible mounting assembly for pivotally mounting a ground tool and a coulter disk from the tool bar of a soil tilling implement. The mounting assembly has a base plate that is reversibly attachable against the under surface of the tool bar in either ... | 05/20/1980 |
| 4194576 | Shank and coulter mounting clamp A shank and coulter mounting clamp for attaching to an angular shaped plow frame tube. The clamp securing a rolling coulter and rigid shank to the plow frame with the rolling coulter disposed in front of and adjacent the throat of the shank. The clamp pro... | 03/25/1980 |
| 4187916 | Soil conditioning and seed bed preparing apparatus Soil conditioning apparatus is disclosed which has a front coulter assembly, preferably with a fluted coulter, for preparing a narrow path wider than the following subsoiler shank by cutting trash and breaking and slitting the topsoil. Following the front... | 02/12/1980 |
| 4057112 | Subsoil plow A subsoil plow having a plurality of forwardly facing C-shaped plow teeth arranged on a rigid frame in a generally V-shaped array. Each plow tooth has an upper portion, a curved shank portion, and a bottom tip and is mounted on the frame by a so-called pi... | 11/08/1977 |
| 3967564 | Soil shattering and aerating device A device for shattering impacted soil, attached to and operated by a farm tractor having a pipe positioned high above the ground for intake of air for providing forced air to a tube extending under the soil following its shattering to supply oxygen under,... | 07/06/1976 |
