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Earth working December patent applications/inventions, industry category 12/12

20120325504 - Down pressure apparatus: A down pressure adjustment assembly for a disc opener of an agricultural implement includes a rockshaft to which one or more disc opener units are mounted and an actuator that rotates the rockshaft. Rotation of the rockshaft causes the disc opener units to be raised or lowered. When the disc... Agent: Cnh Canada Ltd.

20120325505 - Coupler with visibility window: A coupler for connecting an implement to a machine includes a first mounting structure configured to attach the coupler to the implement. The first mounting structure includes a first actuator including a first cylinder rod extendable relative to a first cylinder body. The first cylinder rod has a first rod... Agent:

20120325506 - Agricultural implement incorporating ground opener unit: A down pressure adjustment assembly for a disc opener of an agricultural implement includes a rockshaft to which one or more disc opener units are mounted and an actuator that rotates the rockshaft. Rotation of the rockshaft causes the disc opener units to be raised or lowered. When the disc... Agent: Cnh Canada, Ltd.

20120318539 - Apparatus and a method for height control for a dozer blade: Automatic height control of a dozer blade, the input from the slow absolute height sensor is combined with an input from a gyroscope that measures the instant rotation and recalculates it into a vertical height change using the length of the supporting arms. The combination obtains the accuracy of the... Agent: Mikrofyn A/s

20120318541 - Automatic pitch hold of a electrohydraulically controlled ripper: A ripper pitch hold system and method for a ripper that includes pitch and lift cylinders. The system includes operator pitch and lift inputs, operator pitch hold input, cylinder position inputs, and a controller. The controller processes the inputs and generates pitch and lift cylinder commands that maintain the ripper... Agent:

20120318540 - Depth limiting of ripper attachment by electronically limiting cylinder length: A ripper depth limit system and method is disclosed. The ripper depth limit system includes a lift input for operator controls to raise and lower the ripper, a depth limit input, a lift sensor input that senses the ripper lift cylinder position, and a controller that processes the inputs to... Agent:

20120318542 - Method and apparatus for harvesting and picking up sod: A sod harvester for cutting sod strips from a ground surface while leaving an uncut strip between at least two sod strips The sod harvester includes a mounting frame and a number of cutting heads connected to the mounting frame. The cutting heads are positioned transversely to the path of... Agent:

20120318543 - Scuffle hoe and multipurpose garden tool: The tool is an optimized scuffle hoe that maximizes the efforts of the user in forward and backward motion, and that provides the functions of multiple garden tools, all-in-one. The tool includes a V-shaped head portion having an open interior with blades that are sharpened on both inside and outside.... Agent:

20120312567 - Arcuate shields for compactor wheel assembly and compactor using same: A compactor wheel assembly includes a substantially cylindrical wheel surface having a plurality of compactor wheel tips extending radially therefrom. The wheel surface and the plurality of compactor wheel tips define an overall diameter. A plurality of arcuate shields are coupled with the wheel surface and define a substantially cylindrical... Agent: Caterpillar Inc.

20120312568 - Soil tilling and planting implement: A mount for carrying a plurality of field-conditioning implements selected from trash whipping implements, rolling baskets and coulters for connection to a planter or other multi-row implement is disclosed. A height and force adjustable mounting system is also disclosed that enables the force of such an implement on the soil... Agent: L & B Manufacturing, Inc.

20120312569 - Tillage implement: m

20120305274 - Hydraulic down pressure control system for an agricultural implement: An agricultural row unit includes an attachment frame adapted to be rigidly connected to a towing frame, and a linkage assembly pivotably coupled to the attachment frame to permit vertical pivoting movement of the linkage assembly relative to the attachment frame. A hydraulic cylinder is coupled to the linkage assembly... Agent: Dawn Equipment Company

20120305275 - Machine for aerating soil: