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7216709 |
Hydraulic fracturing using non-ionic surfactant gelling agent
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...
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6418645 |
Milling unit for the beating of snow-covered slopes
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...
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5690180 |
Horizontal-axis cutter for soil cultivation
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...
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5373902 |
Tiltable hood assembly for an earth working machine
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...
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5287933 |
Hood support assembly for an earth working machine
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...
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5067264 |
Flexible rotary snow tiller
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...
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4892154 |
Ground-working apparatus with rotary tiller
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...
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4819735 |
Hand-operated lawn aerator
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...
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4775014 |
Ground-working implement
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...
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4669549 |
Rake device for rotary cultivators
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...
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4616715 |
Forest mattock with braked rotation system
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...
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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,...
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4256182 |
Hammer plow
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...
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4240508 |
Power-driven rotary ground working implement
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...
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4199030 |
Method and apparatus for farming row crops
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...
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4171725 |
Rotary harrow
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...
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4088083 |
Rotary harrow and attachments
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...
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4073245 |
Levee forming apparatus and method
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...
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4044841 |
Rotary tiller device adapted for chopping
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...
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4026225 |
Machine for planting trees, shrubs and the like
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...
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3923103 |
Cultivator skimmer device
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...
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3693722 |
FINE GRADING DEVICE FOR RUBBER TIRE ROAD GRADER
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...
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3684029 |
DEPTH CONTROL SKID FOR LAND WORKING MACHINE
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...
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3661213 |
AGRICULTURAL APPARATUS FOR SHAPED BEDS
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...
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3658135 |
ROTARY TILLER WITH BACKUP PLATE FURROWING MEANS
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...
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3618676 |
CRUMBING MECHANISM FOR EXCAVATING MACHINES OR THE LIKE
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...
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3502153 |
SOIL TILLING APPARATUS
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3316865 |
Agricultural implement
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3235012 |
Seed bed shaping and tilling device
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3029879 |
Ground mulching machine
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2966948 |
Earth surfacing machine
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2871956 |
Soft ground cultivator attachment for tractors and the like
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2800065 |
Soil conditioner
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2787943 |
Rock breakers
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