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| Number | Title | Issue Date |
| 8136271 | Hydraulic unit and construction machine including the same A hydraulic unit is switched among a first region A where a flow rate is adjusted by controlling a rotational speed of an electric motor while maintaining a displacement of a variable displacement pump at a maximum value, a second region B where the flow rate is adj... | 03/20/2012 |
| 8132345 | Hydraulic function control with auto-control mode override A work machine (10) comprises an operator input device (28), an electro-hydraulic system (64), and a controller unit (46) that communicates with the operator input device (28) and the electro-hydraulic system (64). The contr... | 03/13/2012 |
| 8091256 | Loader elevation control system A system for determining the elevation of a part of an implement, with the implement being attached to the ends of a pair of lift arms of a loader machine, includes a laser transmitter providing a reference beam of laser light. The beam may be a thin beam that is sw... | 01/10/2012 |
| 7984574 | Construction vehicle with rear object detection A vehicle, such as a loader, includes a chassis, a plurality of traction devices positioned to support the chassis, a tool supported by the chassis to move material, and a rear object detector. The object detector may be supported by the chassis of the vehicle and c... | 07/26/2011 |
| 7975410 | Adaptive excavation control system having adjustable swing stops A control system for use with an excavation machine is disclosed. The control system may have a boom member, a linear actuator connected to pivot the boom member in a first direction, a rotary actuator connected to swing the boom member in a second direction substan... | 07/12/2011 |
| 7934329 | Semi-autonomous excavation control system An excavation control system for a machine is disclosed. The excavation control system may have a tool, at least one operator input device configured to provide manual control over movement of the tool, and a controller in communication with the at least one operato... | 05/03/2011 |
| 7930843 | Track trencher propulsion system with component feedback A system and process for controlling propulsion and steering of a track trencher excavation machine powered by an engine includes a multiple mode propulsion and steering control system that performs a plurality of functions depending on a selection of one of a plura... | 04/26/2011 |
| 7870684 | Method and system for optimising land levelling designs A method and system for creating a levelling surface for use in levelling a substantially uneven ground surface, optimised for a single plane, row cropping, or dryland cropping with no rows (a surface for row cropping will typically optimise the surface with a defin... | 01/18/2011 |
| 7832126 | Systems, devices, and/or methods regarding excavating Certain exemplary embodiments can provide a system, which can comprise a bucket excavation controller. The bucket excavation controller can be adapted to control one or more digging functions of a mining excavator. For example, the bucket excavation controller can b... | 11/16/2010 |
| 7797860 | Automated control of boom or attachment for work vehicle to a preset position A method and system for automated operation of a work vehicle comprises a boom having a first end and a second end opposite the first end. A first hydraulic cylinder is associated with the boom. A first sensor detects a boom position based on a first linear position... | 09/21/2010 |
| 7752779 | Automated control of boom or attachment for work vehicle to a preset position A first hydraulic cylinder is associated with a boom. A first sensor detects a boom angle of a boom with respect to a support (or a vehicle). An attachment is coupled to one end of the boom. A second hydraulic cylinder is associated with the attachment. A second sen... | 07/13/2010 |
| 7752778 | Automated control of boom or attachment for work vehicle to a preset position A first hydraulic cylinder is associated with the boom having a first end and a second end opposite the first end. A first sensor detects a boom angle of a boom with respect to a support (or a vehicle) near the first end. An attachment is coupled to the second end o... | 07/13/2010 |
| 7748147 | Automated control of boom or attachment for work vehicle to a present position A method and system for automated operation of a work vehicle comprises a boom having a first end and a second end opposite the first end. A first hydraulic cylinder is associated with the boom. A first sensor detects a boom angle of a boom with respect to a support... | 07/06/2010 |
| 7730646 | Swivel work machine A swivel work machine comprises: a travel device; a swivel base provided on the travel device; a swivel base provided in the front of the travel device; a dozer provided to the travel device; a swing control; a dozer control; a tilt control member provided to the do... | 06/08/2010 |
| 7726051 | Wheel-type working machine and method of controlling the same A hydraulic excavator includes: an oil-pressure cut valve for suspending pressure oil supply to a PPC valve; a lock switch for operating the oil-pressure cut valve; and a control device for controlling a switching of the oil-pressure cut valve. The control device in... | 06/01/2010 |
| 7726050 | Hydraulic shovel A line 93 is provided with a line 71 communicating the line 93 and a hydraulic oil tank 51. The line 71 is provided with a throttle 72 to construct a throttle-provided line 7. When air is trapped between the hydraulic... | 06/01/2010 |
| 7694442 | Recommending a machine repositioning distance in an excavating operation A system and method of assisting an operator of an excavating machine includes recommending a hop distance to move the machine based on the maximum distance that the machine can move and still be able to reach the bottom of the excavation that has already been dug b... | 04/13/2010 |
| 7681339 | Self-propelled snow remover A self-propelled snow remover has a machine body, travel units mounted on the machine body to undergo turning movement and linear movement, and at least one steering member mounted to the machine body and operable to turn the travel units. A snow-removing implement ... | 03/23/2010 |
| 7681340 | Electronic control device An electronic control device is disclosed for controlling a plow. The control device includes a pendant control structured and arranged such that an operator of the plow is permitted to control the plow by operation of the pendant control. A plurality of switches is... | 03/23/2010 |
| 7676967 | Machine with automated blade positioning system A system is provided for positioning a work implement. The system has at least one actuator for actuating a movement of a work implement. The system also has at least one sensor associated with the at least one actuator and configured to sense at least one parameter... | 03/16/2010 |
| 7673402 | Self-propelled work machine A self-propelled work machine, in which the load of the work unit increases according to an increase in the travel speed. The self-propelled work machine includes electric motors for driving the travel units, an engine for driving the work unit, a work drive instruc... | 03/09/2010 |
| 7669354 | Method and apparatus for determining the loading of a bucket For determining the load of an excavator bucket, or optionally of another holding region, a measurement step and an evaluation step are carried out. In the measurement step, the position of a load surface is determined by a noncontact distance-measuring device and, ... | 03/02/2010 |
| 7640683 | Method and apparatus for satellite positioning of earth-moving equipment A method and apparatus for using satellite positioning systems to more precisely locate the position of a portion of an attachment on an earthmoving machine is disclosed. More specifically, satellite positioning system antennas are mounted to an arm or other point r... | 01/05/2010 |
| 7637039 | Method and apparatus for controlling hydraulic pump for working machine of working vehicle A hydraulic pump displacement control apparatus for a working vehicle capable of reliably detecting the working vehicle under excavating operation and reducing loss in power is provided. For this purpose, the control apparatus includes a bottom pressure detector ( | 12/29/2009 |
| 7634863 | Repositioning assist for an excavating operation A method is provided for enhancing the repositioning of an excavating machine, including an excavating assemblage, from one set-up position to a next, subsequent set-up position. A joystick is controlled in implement control mode to operate at least one of a boom, a... | 12/22/2009 |
| 7631445 | Underwater dredging system A system for use in conjunction with an underwater dredging apparatus having a power shovel with a bucket connected to a power housing by two articulated manipulator arms. The articulation of the manipulator arms relative to each other as well as one manipulator arm... | 12/15/2009 |
| 7627966 | Off-fall control for a trenching operation A system is provided for controlling off-fall during trench excavation. The system includes a trench excavating assemblage. A mechanism moves the trench excavating assemblage from a position within a trench to be excavated to a position for dumping excavated materia... | 12/08/2009 |
| 7610700 | Automatically steerable trencher A trencher has two wheels equidistant on either side of the arbor, and a third steerable wheel at the front of the trencher in line with the arbor. Speed of the arbor, forward motion of the trencher and the direction of motion are determined by motors controlled by ... | 11/03/2009 |
| 7607245 | Construction machine A construction machine according to the present invention includes a variable displacement hydraulic pump (11, 12) driven by a prime mover (10), a single traveling actuator (5) driven with pressure oil discharged from the hydraulic pump (11 | 10/27/2009 |
| 7596893 | Work machine A work machine enabling a hybrid drive system to be directly driven by energy contained in a return fluid discharged from a hydraulic actuator. The work machine includes a hydraulic actuator control circuit and a swing control circuit. The hydraulic actuator control... | 10/06/2009 |
| 7578079 | Method for an autonomous loading shovel Certain exemplary embodiments can comprise a method for controlling a machine. The method can comprise a plurality of activities that can comprise determining a profile of a surface responsive to a scan of the surface. The method can comprise identifying a predeterm... | 08/25/2009 |
| 7574821 | Autonomous loading shovel system Certain exemplary embodiments can provide a system comprising a processor adapted to determine a profile of a surface responsive to a scan of the surface. The processor can be adapted to identify a predetermined profile from a plurality of predetermined profiles, th... | 08/18/2009 |
| 7571558 | Backhoe hydraulic system A pilot pressure control valve V17 is provided that is switchable between an operation position 56 where pilot pressure is supplied to a first channel switching valve V12 and a non-operation position 57 where pilot pressure is not supplie... | 08/11/2009 |
| 7562472 | Work machine A boom control circuit for controlling hydraulic fluid fed to a boom cylinder is provided separately and independently from a travel/stick/bucket control circuit, which serves to control hydraulic fluid fed to travel motors, a stick cylinder, and a bucket cylinder. ... | 07/21/2009 |
| 7549241 | Hydraulic control device for loader An arm direction changeover valve (11) is provided in an arm block (20). A first pilot check valve (18) is provided in a first block (21). A second pilot check valve (19) is provided in a second block (22). The three blocks,... | 06/23/2009 |
| 7530185 | Electronic parallel lift and return to carry on a backhoe loader A backhoe loader with a controller that uses angular signals from at least one sensor to calculate a loader tool angle with respect to the vehicle frame or with respect to the earth and to maintain the loader tool angle via controller generated commands to a tool ac... | 05/12/2009 |
| 7516563 | Excavation control system providing machine placement recommendation A control system for a machine operating at a excavation site is disclosed. The control system may have a positioning device configured to determine a position of the machine, and a controller in communication with the positioning device. The controller may be confi... | 04/14/2009 |
| 7513070 | Work support and management system for working machine An excavation support database 40 includes a display table 47 and a display specifics table 48, which serve as storage means dedicated for display. The state of a working region per mesh is stored in the display table 47, and a discrimina... | 04/07/2009 |
| 7487609 | Hydraulic circuit device of hydraulic working machine To permit smooth performance of both of an operation requiring a high pressure and an operation desired to produce a pressure at a suppressed level, a shuttle block positioned between pilot operating units and flow control valves and pump regulators is arranged in a... | 02/10/2009 |
| 7478489 | Control system for an electronic float feature for a loader The present invention is related to a loader of a construction apparatus such as front-end wheel loader or an agricultural tractor. Specifically, the present invention is related to a control system for a loader. ... | 01/20/2009 |
