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7216709 |
The present invention generally relates to a method for treating a subterranean formation with an aqueous viscoelastic treating fluid that an aqueous base fluid and one or more non-ionic amido amine oxide surfactant gelling agents. The t...
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6418645 |
A milling unit for the beating of snow-covered slopes consisting of a box-shaped structure comprising a central part to which two side parts are connected by hinging elements, in order to allow for oscillation. The structure has two hook...
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5690180 |
A horizontal-axis cutter for soil cultivation of the type comprising a horizontal-axis rotor (2) fitted with a number of blades and a gear motor (4), connected on one side to the power take-off of the tractor and on the other to the roto...
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5373902 |
A hood assembly includes a hood member and an adjustable length stabilizing link. The stabilizing link is movable between a first position at which the link maintains a bottom surface of the hood member in a substantially parallel relati...
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5287933 |
A hood support assembly (18) for controllably supporting a hood member (16) on an earth working machine (10) includes a support member (20) that is pivotally mounted, at each of two end portions (22,24) to the frame (12) of the machine. ...
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5067264 |
The flexible tiller has a center and two end sections, each including a cutter bar, frame, apron and grooming bar. The two tiller end sections are connected flexibly to the ends of the center section by frame to frame hinges and by cutte...
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4892154 |
A ground-working implement which comprises a rotary tiller or like groundosening unit and a smoothing board located behind the tiller. Both the unit and the smoothing board are subdivided generally centrally and the sections are connecte...
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4819735 |
A hand-operated lawn aerator which can be used to extract plugs of thatch and soil from a lawn. The device includes a long hollow tubular member having a cutting head at one end. The hollow tubular cutting head is driven into the ground ...
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4775014 |
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...
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4669549 |
A tiller cover assembly covering a rotary tiller unit is provided inside thereof with rake members arranged at a spacing along the width of cultivation for sieving lumps or blocks of soil carried around by the tiller unit. Each of the ra...
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4616715 |
A rotation control system for the mattock (2) of a tuft-building forest mattock, whereby rotation of the mattock is adapted to be braked or stopped stepwise in a manner that each pick (3) in turn works a whole in the first stage, in the ...
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4331204 |
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 obj...
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4267891 |
A cultivating machine has groups of soil working tines that are mounted on an elongated support that is driven to rotate about a horizontal axis. The tines are mounted in spaced apart groups and guide members converge at the rear of the ...
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4256182 |
A hammer plow is provided with a series of disks spaced along and rotatable with a sleeve that turns about an axle on a number of bearings located therebetween. Each of the disks has a plurality of hammers rotatably attached thereto, whi...
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4240508 |
A ground working implement comprises a frame, a rotary ground working unit supported by the frame and rotatable about a horizontal axis, a transmission for the working unit, a cover assembly covering the working unit and including a mova...
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4232746 |
A cultivating implement has rotatable soil working members that are driven about upwardly extending axes to work overlapping paths of soil. The cultivating members have downwardly extending tines. Neighboring members cooperate and are dr...
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4199030 |
A soil working implement for use in forming a raised soil bed is disclosed. The implement includes a carriage assembly and a plowing tool mounted for rotation on the carriage assembly. The plowing tool includes a cylindrical rim and an a...
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4171725 |
Improvements in rotary harrows whereby an odd number of soil-working members are rotatably journalled thereon, the members having an even number on each side of a gear box located over one of the members, the gear box being in driving en...
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4151883 |
A cultivating machine has tines mounted on an elongated horizontal support that is driven to move the tines forwardly through the soil towards the normal direction of travel. The tines are in groups along the length of the support and ea...
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4088083 |
A tillage machine includes a main frame that supports rotary soil working tined members and various additional tools that can be detachably fastened to the main frame in combination with the rotary tined members to landscape in one pass....
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4073245 |
A towed levee forming apparatus and method of using for forming a dike or levee which is particularly suited for use with agriculture operations. The apparatus includes a plurality of laterally spaced digger means for forming correspondi...
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4046202 |
A tractor drawn cultivator comprises a frame extending transversely to the direction of movement of the tractor. A plurality of spaced apart vertical axis rotary driven cultivator members comprising downwardly extending tines are support...
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4044841 |
A device in the nature of a rotary tiller equipped for traveling through fields as well as uneven terrain, for effectively chopping up encountered clods, vegetation and debris, and mixing same with the soil. We utilize a framework in whi...
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4026225 |
A horizontal frame coupled to a tractor is provided with a single disc mounted for rotation about a horizontal axis on the center line of the frame and driven by the power take off shaft of a tractor with the disc carrying a plurality of...
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3995570 |
A cultivator has soil working blade members mounted on a horizontal shaft which is driven to rotate the members forwardly through the soil in the normal direction of travel. A baffle comprised of screen segments are mounted on the cultiv...
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3923103 |
A cultivator skimmer adapted for movement longitudinally in relation to a row of plants to be cultivated and generally in straddling relationship therewith to shield them from earth thrown rearward during a cultivation process. Viewed fr...
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3783948 |
A cultivator with a frame that supports a plurality of side-by-side rotatable members having spaced-apart tines that crumble the soil during operation. The tines are held by a support in a vareity of positions so that the soil working po...
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3693722 |
A grading blade and parallel rotary auger are supported on an auxiliary frame transversely with respect to a grader vehicle from which the frame is supported with the auger being connected to the blade for unitary pivotal movement about ...
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3684029 |
A depth control skid for utilization on a soil working implement mounted on and operative from a tractor incorporating an automatic hydraulic draft control operative in response to the tensioning or compressing of the top link of a three...
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3661213 |
Agricultural apparatus for shaped beds having a rotatable mulcher assembly adapted to engage the top surface of the bed and to break up the top surface of the bed to form a relatively fine mulch on the top of the bed and having a housing...
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3658135 |
In a first embodiment, tapered auger mechanisms are mounted on transversely extending shaft members rotatably supported below the forward portion of a self-propelled, manually guided body structure upon which is mounted a motor which is ...
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3618676 |
A crumbing mechanism for excavating machines including a mounting assembly for detachable connection to the boom structure of the machine and a crumbing shoe having a boxlike and reinforced bridge construction detachably connected by the...
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3502153 |
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3316865 |
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3235012 |
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3029879 |
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2966948 |
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2871956 |
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2800065 |
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2787943 |
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2755717 |
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2739517 |
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2736254 |
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2691926 |
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2669919 |
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2652760 |
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2641982 |
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2619747 |
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2483767 |
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2473770 |
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