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| Number | Title | Issue Date |
| 7784559 | Subsoil ripper with attachment A subsoil ripper for subsoil tillage, where a spur is operatively connected to the shank of the subsoil ripper; for example, operatively connected to the posterior of the shank of the subsoil ripper. ... | 08/31/2010 |
| 7144183 | Lock with internal retainer A locking assembly has two members which are moveable into coupling engagement with one another. The two members have lock engaging walls, and one of the members has an opening between the lock engaging walls for receiving a lock. The lock comprises a lock body and ... | 12/05/2006 |
| 7143836 | Soil conditioning rotary reel for primary tillage operations A soil conditioning rotary reel for primary agricultural tillage implements is disclosed. The reel incorporates formed bars slightly spiraled along the length thereof that increase the overall strength of the reel and, because of the shape of the formed bars, suppor... | 12/05/2006 |
| 7143837 | Soil conditioning rotary reel for secondary tillage operations A soil conditioning rotary reel for secondary agricultural tillage implements is disclosed. The reel incorporates formed bars slightly spiraled along the length thereof that increase the overall strength of the reel and, because of the shape of the formed bars, supp... | 12/05/2006 |
| 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 |
| 7028554 | Instrumented deep tillage implement An instrument and method for variable depth tillage is provided. A soil engaging implement has a pair of load cells and at least one strain gauge set mounted thereon. The load cells are used to determine a linear trend of topsoil resistance pressure change with dept... | 04/18/2006 |
| 6119791 | Apparatus/method for reforming cultivation rows An apparatus 30 has an elongate body 32 and spaced booms extending downstream from the body 32 for operation on a field having a plurality of rows having mounds 4 to 12 and furrows 14 to 22. Blades 34 and 36 for moving about 50 mm of material 24 and a thi... | 09/19/2000 |
| 6064923 | Aircraft with reduced wing structure loading An aircraft having a reduced-load wing structure is provided with a controllable canard stabilizer (5G, 5D) at the front end of the aircraft and a controller that controls the canard stabilizer. The controller generates a turn command corresponding to an ... | 05/16/2000 |
| 5964300 | Wear shin for a tillage implement A wear shin for a shank of a tillage tool such as a ripper includes a profile having a narrow leading edge with forwardly concave sides extending rearwardly and outwardly from the leading edge to sides generally aligned with the sides of the shank. Upper ... | 10/12/1999 |
| 5787991 | Adjustable angle ridger for a cultivator An adjustable ridger for a cultivator includes an elongated ridger frame adapted to mount to the sweep member of the cultivator. The frame has a top bracket with an elongated slot extending therethrough. The slot has a width and a longitudinal axis. A plu... | 08/04/1998 |
| 5605196 | Multi-piece subsoiler unit for an agricultural implement An agricultural implement that includes a plurality of ground penetrating units for shattering the hard pan in a relatively wide pattern as the implement is drawn across the field while causing minimum disturbance to the top surface of the ground. Each gr... | 02/25/1997 |
| 5462389 | Undersea cable burial plowshare and sled apparatus This disclosure describes a physical design for an ocean floor trenching tool. The tool consists of a replaceable forward-extending plowguard and detachable hardened plow tips. Surfaces forming the tool's mouth around the plowguard cause the tool to penet... | 10/31/1995 |
| 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 |
| 5409068 | Dual penetration combination sweep with ripper An agricultural plow implement includes a number of upright supports, with each support supporting a shallow tillage V-shaped sweep blade. A mounting plate is attached to the rear of each upright support and a specially adapted ripper shank, with an attac... | 04/25/1995 |
| 5350022 | Attachment assembly for wear caps ripper teeth An attachment assembly for securing ripper teeth to an earth excavation device which comprises a substantially "J"-shaped ripper shank defining a lower forwardly projecting tapered end portion for carrying the tooth, an upper end portion for attachment to... | 09/27/1994 |
| 4699220 | Row crop aerator A soil aeration machine with a straight main frame being attached to a tractor via a three-point hitch. The main frame carries standards to which deep tillage knives are attached. A coulter is mounted directly in front of each knife to cut through the res... | 10/13/1987 |
| 4679635 | Self-tripping rippers A ground ripping attachment for pivotal connection to the drawbar of a winch, and liftable by cable on a towing vehicle to clear the ground, or releasable so as to be free of the tractor save for its drawbar connection. The attachment has a main frame whi... | 07/14/1987 |
| 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 |
| 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 |
| 4336844 | Farm implement There is disclosed a farm implement having a frame connectible to a tractor by means of a three-point hitch to permit it to be moved forwardly over the ground level, a first set of chisels supported on the frame in laterally spaced-apart relation, a secon... | 06/29/1982 |
| 4331204 | Tillage implement A tractor drawn tillage implement having a front hood, rippers, a rotary tiller and a row former, conditions tight adobe soil ready for planting in one pass. The front hood, having rock deflectors, protects the operator from airborne objects while contain... | 05/25/1982 |
| 4245706 | 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... | 01/20/1981 |
| 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 |
| 4127073 | Subsoil tillage tooth An improved subsoil plow assembly to be attached to an implement frame employs a soil-splitting leading edge of arcuate cuspate shape, breaking the earth but inhibiting the mixing of the subsoil with the topsoil. That portion below the cuspal apex tends t... | 11/28/1978 |
| 4102407 | Reforestation tillage mechanism Reforestation tillage mechanism comprising at least one pivotable suspension frame; at least one blade holder shank having a free upper end and being freely pivotable with an intermediate portion thereof in a plane, the main axis of the shank being substa... | 07/25/1978 |
| 4015667 | Cotton stalk and root shredder with re-bedder A root and stalk shredder having a frame, a pair of longitudinally extending, parallel, power driven lifting rollers rotatably mounted on the frame and extending longitudinally parallel to a path of travel of the shredder, guide means mounted on the frame... | 04/05/1977 |
| 3935906 | Adjustable height soil conditioner with frame extending rearwardly from cultivating implement A soil conditioner for use in combination with a cultivating implement drawn behind a tractor to break up the soil and leave a prepared seedbed in a single operation. The conditioner is mounted to a framework extending rearwardly behind the cultivator. It... | 02/03/1976 |
