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| Number | Title | Issue Date |
| 7328807 | Method and device for classifying fine particles The present invention provides a method for classifying fine particles, the method comprising: introducing a fine particle dispersion in which fine particles are dispersed in a liquid medium into an inlet of a microchannel having the inlet and a recovery portion; an... | 02/12/2008 |
| 7314012 | Method and apparatus for splitting, mulching, and leveling soil beds for planting Apparatus is provided for splitting, mulching, and leveling soil beds for planting. The apparatus adapts to changes in contour and elevation of a soil bed to insure that seeds are planted at equivalent depths along the length of the bed. The apparatus includes a tra... | 01/01/2008 |
| 7156186 | Strip-till conditioning rotary reel These and other objects and objectives are attained by providing an soil conditioning rotary reel for a strip-till primary tillage system, the rotary reel having a particular cross-sectional profile that forms the soil into a uniform raised berm ideally suited for p... | 01/02/2007 |
| 7108075 | Seedbed preparation implement having rotary disc with adjustable gang angle A disc gang is provided that is suitable for use as part of a multifunctional seedbed preparation implement or in a standalone disc harrow. The disc gang is configured to permit a gang angle of the disc gang to be adjusted to accommodate differing soil conditions an... | 09/19/2006 |
| 7104206 | Agricultural apparatus An agricultural plough has a longitudinally extending support member having a forward portion to be attached to a vehicle to thereby enable the apparatus to be towed by the vehicle. A pair of axles extend laterally from opposite longitudinal sides of the support mem... | 09/12/2006 |
| 7104341 | Low disturbance deep tillage point Ripper point structure includes a nose with a tapered top that initiates lift and fracture of compacted soil layers. The tapered top with an included angle of about 100 degrees just forward of the parting wear shin creates a parting stress which increases until the ... | 09/12/2006 |
| 7036604 | Structure for converting an integral implement to a drawn type A forward acting wheel arm for a drawn hitch includes a pivot point directly below the rear rank of the machine frame, and the wheels are rotated directly in front of the front rank during field operation. For transport, the wheels rotate below the front rank to min... | 05/02/2006 |
| 7017675 | One-pass primary tillage machine A one-pass primary tillage machine provides a combination of shallow and deep tillage, residue cutting and mixing, and clod size reduction and leveling of the field to prepare the field for the next planting season. A front group of flat coulters slice through the r... | 03/28/2006 |
| 6997121 | Minimum tillage agricultural implement having furrow opening shank assemblies An agricultural implement for forming a furrow in a soil, is described and which includes a rotatable shank; a resilient, movement limiting member disposed in force transmitting relation relative to the rotatable shank; and a pair of wheels mounted for earth engagin... | 02/14/2006 |
| 6557646 | Mulch-till ripper An agricultural tillage implement employing a series of apparatus to perform one-pass primary tillage is disclosed. A cutting disk is the first apparatus that works the field. These disks cut the residue laterally (across the machine) and mix the majority... | 05/06/2003 |
| 6257344 | Enhanced minimum tillage planter/renovator system A minimum tillage planting/renovation system configured to facilitate an enhanced seedbed in a variety of soil conditions, while maintaining nominal surface disturbance. The present invention may further be configured to provide intercrop planting, renova... | 07/10/2001 |
| 6012534 | Minimum soil displacement chisel plow and soil firming wheel arrangement An agricultural chisel plow row unit designed for minimum soil displacement has a pair of spring-biased firming wheels mounted to either side of and behind the plow shank to firm the surface of the berm formed by the breaking point without affecting the o... | 01/11/2000 |
| 6009955 | Enhanced minimum tillage planter/renovator system A minimum tillage planting/renovation system configured to facilitate an enhanced seedbed in a variety of soil conditions, while maintaining nominal surface disturbance. The present invention may further be configured to provide intercrop planting, renova... | 01/04/2000 |
| 5819855 | Enhanced minimum tillage planter/renovator system A minimum tillage planting system configured to facilitate a wider, enhanced seedbed in a variety of soil conditions, while maintaining nominal surface disturbance. The present invention may further be configured to provide intercrop planting, renovating,... | 10/13/1998 |
| 5782307 | Furrow closing apparatus A furrow closer for mounting to an anhydrous ammonia fertilizer applicator knife. The furrow closer has a base plate which can be selectively mounted to a mounting bracket fixed to the shank of the applicator knife. A pair of offset fluted disks lie in in... | 07/21/1998 |
| 5623997 | Soil zone-builder coulter closer/tiller A soil manipulation device is provided for closing a groove in soil formed by a soil tiller shank. The device includes a frame connected to a rear portion of the tiller shank and a pair of rotatable coulter blades mounted on the frame for engaging soil be... | 04/29/1997 |
| 5613566 | Row crop stalk and root remover A multiple rig row crop cultivator with first and second concave disks supported for operation at two different depths from adjacent rigs to provide two-step sizing of residue. The first disk, located ahead of the second disk, operates at a first depth in... | 03/25/1997 |
| 5595249 | Ground leveler attachment for a ground working device A ground leveler attachment for a ground working device comprises a bracket fastened to a shank supporting a ground breaking tool, a carrier arm connected to the bracket, a pair of leg supports in pivotal contact with the carrier arm, a pair of springs bi... | 01/21/1997 |
| 5452768 | Gauge depth control for soil tillage implement A soil tillage implement to be pulled behind a tractor having a conventional frame with one or more furrowing elements depending from the frame or plough share. Each furrowing element has a disc-like coulter, a shank, and a replaceable plough share mounte... | 09/26/1995 |
| 5417172 | Seeder A seeder comprises a coulter assembly (13) operable to cut stubble/grass in a series of parallel lines in the first stage of forming a plurality of parallel rows of seed beds. The coulter assembly (13) comprises a plurality of coulters (21) and is operabl... | 05/23/1995 |
| 5333694 | Strip-till seed bed preparation apparatus Seed bed preparation apparatus for the no-till preparation of longitudinal strips of soil for the planting of seeds in longitudinal rows including plurality of laterally spaced apart gang assemblies which are individually mounted on a draft vehicle such a... | 08/02/1994 |
| 5316088 | Rotary hoe mounting unit for row crop cultivator The present invention is a mounting device for individually mounting rotary hoes on the shanks of row crop cultivators. The tractor pulls shanks through the fields to cultivate the soil with rotary hoes connected to the shanks by a mounting device. The mo... | 05/31/1994 |
| 4974683 | Ridge tillage attachment for planters A ridge tillage attachment includes springs associated with a linkage which guides a tool and wheel support beam for vertical movement, the springs being mounted within the linkage envelop to provide a compact arrangement and being operative to apply requ... | 12/04/1990 |
| 4856597 | Soil working machine A soil preparation machine is pulled by a tractor across a field in which rows of plants and tracks followed by the tractor are at permanent locations from season to season. Soil from between the remains of two rows of the previous season's plants is lift... | 08/15/1989 |
| 4819737 | Row crop cultivator A row crop cultivator particularly adapted for ridge-hill and minimum tillage farming conditions. The cultivator carries a number of tools including spaced hilling disks, a coulter wheel and a sweep for effectively pitching soil and cutting crop residues ... | 04/11/1989 |
| 4702323 | Ridge tillage attachment for planters A ridge tillage attachment for conventional row-crop planters for use in minimum tillage planting on row ridges is disclosed. This ridge tillage attachment includes a tool portion and a linkage portion. The linkage portion has a parallelogram linkage supp... | 10/27/1987 |
| 4553607 | Ridge cleaning attachment for planters This invention relates to an attachment for conventional planters that will convert them to ridge-till planters at reasonable costs. It consists of a pair of laterally spaced vertical mounting bars, fastened suitably at their upper end to the parallel lin... | 11/19/1985 |
| 4524837 | Soil conditioning and bed preparation apparatus Soil conditioning apparatus having a main frame, and means coupled to the main frame for cutting and loosening compacted soil to prepare a seed bed and rooting environment, including a subsoiler coupled to the main frame and angled to be pulled downwardly... | 06/25/1985 |
| 4485878 | Shield unit for cultivators A duplicate shield mechanism or unit is employed for each rearmost sweep of a cultivator. The unit in each instance includes two laterally adjustable disks mounted for rotation at the trailing end of a longitudinally adjustable two-piece drawbar or arm. T... | 12/04/1984 |
| 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 |
| 4452315 | Straw and debris deflector for soil opening apparatus Disclosed is an apparatus for deflecting straw and other debris from in front of a soil opening implement used in farming. The straw and debris deflector is particularly useful where the soil is generally not tilled. The straw and debris deflector include... | 06/05/1984 |
| 4403662 | One-pass complete tillage system The system includes a pull-type frame with a forward line of disc blades widely spaced to part the trash, mix it with soil and displace most of the mixture laterally on top of previously undisturbed soil, thereby creating strips of ground which are altern... | 09/13/1983 |
| 4241674 | Sub-soil planter A sub-soil planter machine has a frame, including front and rear transverse tool bars; a plurality of sub-soil blades mounted on and transversely spaced along the front tool bar; a plurality of rotary tilling assemblies mounted on and transversely spaced ... | 12/30/1980 |
| 4213408 | Combination ripper, mixer and planter An agricultural implement is disclosed which is adapted to perform soil ripping, mixing, and seed planting behind a single prime mover. Soil ripping is accomplished by a parabolic pointed shank attached to a frame by a pivot bolt and secured by a shear bo... | 07/22/1980 |
| 4211285 | Agricultural method and implement A method and implement for facilitating and fostering the germination and sprouting of seeds of row crops, particularly under encrusted soil conditions, and eliminating the need for using herbicide for most common weeds in growing row crops by covering th... | 07/08/1980 |
| 4170265 | Cultivator Cultivator apparatus comprises an elongate main frame and a plurality of cultivator sub-assemblies spaced along the length of the main frame and each including a sub-assembly frame. Respective linking means connect each of the sub-assembly frames to the m... | 10/09/1979 |
| 3991830 | Land clearing debris pulverizer An apparatus for pulverizing debris in land clearing operations, or the like, including: a frame; a ground engaging drum rotatably mounted on the frame and carrying generally radial teeth, and specifically conventional sheeps feet; and a forwardly facing ... | 11/16/1976 |