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| Number | Title | Issue Date |
| 7356949 | Scraping device and a system and a method for collecting materials A scraping device, a system and a method for collecting a material are provided. The scraping device may have a bowl having a first end and a second end. A lip may be positioned at the first end and may cover an opening at the first end. In an embodiment, direct mou... | 04/15/2008 |
| 7246456 | Linked mode for a multi-axis machine control A tool control system includes actuators to move the tool, a controller to permit either manual or automatic tool operation, and an output configured to display information pertaining to a position of the tool. In addition, the tool can be moved in either an indepen... | 07/24/2007 |
| 7066276 | Method and apparatus for excavating earth to a desired depth A system and method of facilitating excavating a below grade opening at a construction site in a parcel of land includes a first vehicle having a motor operably connected to at least a pair of traction members and a second excavating vehicle. The motor is operably c... | 06/27/2006 |
| 6948267 | Device for optimization of the thickness of an ice layer An ice resurfacing machine laser control is used to optimize the ice layer on an artificial ice track, such as an ice hockey rink and is adapted for use in ice resurfacing machines. The thickness of an ice layer is optimized with a beam for a laser transmitter. The ... | 09/27/2005 |
| 6910289 | Scraping device and a system and a method for collecting materials A scraping device, a system and a method for collecting a material are provided. The scraping device may have a bowl having a first end and a second end. A lip may be positioned at the first end and may cover an opening at the first end. In an embodiment, direct mou... | 06/28/2005 |
| 6655465 | Blade control apparatuses and methods for an earth-moving machine A method and apparatus for providing for real time automated control of the position of a blade on a earth-moving machine. The method includes providing a geography altering machine, including a blade and a computer, the computer having stored therein a r... | 12/02/2003 |
| 6484083 | Tandem robot control system and method for controlling mobile robots in tandem A control system for controlling mobile robots provides a way to control mobile robots, connected in tandem with coupling devices, to navigate across difficult terrain or in closed spaces. The mobile robots can be controlled cooperatively as a coupled sys... | 11/19/2002 |
| 5953838 | Control for hydraulically operated construction machine having multiple tandem articulated members An apparatus and method for controlling a hydraulically operated construction machine having a plurality of tandem articulated members which move in a particular pattern, wherein movement of one of the articulated members is controlled in response to move... | 09/21/1999 |
| 5951613 | Apparatus and method for determining the position of a work implement An apparatus for determining a position of a work implement of a work machine in a site coordinate system. The position of the work implement is defined as the position in the site coordinate system of two fixed points located on the work implement. The a... | 09/14/1999 |
| 5941658 | Cross-slope level control for mobile machinery A cross slope level/torsion control for mobile machines is disclosed. At least two crawler tracks or four wheels or rail bogies are provided for transporting and elevating the frame with at least one crawler track or two wheels or rail bogies on a referen... | 08/24/1999 |
| 5815826 | Method for determining the productivity of an earth moving machines A method for automatically determining the productivity of an earthmoving machine in real time using an onboard computer. The earthmoving machine operates in cycles having a first portion and a second portion. The earthmoving machine moves in a first dire... | 09/29/1998 |
| 5806604 | Apparatus for depth monitoring The invention relates to apparatus for monitoring the depth of a layer of a filter media such as sand in a filter such as a slow sand filter, comprising a leveller, in the embodiment a box leveller with a trailing smoothing device, wheel or roller, adapte... | 09/15/1998 |
| 5572809 | Control for hydraulically operated construction machine having multiple tandem articulated members An apparatus and method for controlling a hydraulically operated construction machine, having a plurality of tandem articulated members which are controlled in a manner that movement of one of the members is controlled in response to movement of another o... | 11/12/1996 |
| 5511326 | Rotating disk-type ditcher A method and apparatus in which a disk-type ditcher adaptable to being drawn by a tractor can dig ditches under control of a laser system by which a desired ditch grade can be selected. The ditcher incorporates a disk rotatable in a generally vertical pla... | 04/30/1996 |
| 5375663 | Earthmoving apparatus and method for grading land providing continuous resurveying An earthmoving apparatus and method for grading a tract of land to a desired finish contour wherein a continuously updated contour map is displayed to the operator of the earthmoving apparatus during the grading process is provided. The earthmoving appara... | 12/27/1994 |
| 5307570 | Damping device for dirt scrapers A damping device for use with a conventional dirt bucket on a dirt mover which includes a skid shoe hingedly attachable to the bucket by means of a hinge at the front end of the skid shoe, the skid shoe having a wear plate attached to the bottom. The skid... | 05/03/1994 |
| 5174385 | Blade control system for bulldozer A blade control system for a bulldozer enables the bulldozer to effectively perform a ground leveling work or a grading work with high accuracy in a minimum amount of time. The system compensates for pitching of a tractor portion of the bulldozer, and for... | 12/29/1992 |
| 5141384 | Multi-purpose articulated drag arm digging and hauling vehicle An articulated U-shaped multi-purpose vehicle particularly adapted for underground digging and hauling comprising: a digging component having a U-shaped frame having opposing sides and front ends connected by a front piece, and rear ends defining an open ... | 08/25/1992 |
| 5120182 | Multi-purpose articulated bucket lift digging and hauling vehicle An articulated U-shaped multi-purpose vehicle particularly adapted for underground digging and hauling comprising: a U-shaped frame having opposing sides and front ends connected by a front piece, and rear ends defining an open interior space in communica... | 06/09/1992 |
| 5078215 | Method and apparatus for controlling the slope of a blade on a motorgrader A method and apparatus is provided for controlling the parallel blade slope angle of a blade in order to maintain a desired cross slope during normal operation of a motorgrader regardless of whether the motorgrader is turning, the front wheels are side-ti... | 01/07/1992 |
| 5035290 | Height sensing device including an ultrasonic sensor and a mechanical sensor A height-position sensing device for use with a contol circuit for controlling the height position of a blade in the case of a motor grader includes a mechanical height-position sensor and a ultrasonic height-position sensor which are connected to a commo... | 07/30/1991 |
| 5022763 | Receiver for rotating lasers used for guiding machines, particularly public works machines Receiver for rotating lasers used for guiding machines (for example public works machines), which comprises a receiver assembly proper (6) disposed on a support (9) enabling it to be fastened on the machine, a cell consisting essentially of plates (7) car... | 06/11/1991 |
| 5009544 | Method and machine for working an area of ground, in particular for surfacing a road A tool (23) for extruding a paved surface (39) is located behind tracks (2) and may thus have a width which is greater than the overall width perpendicular to the tracks. The tool is carried by a bridge frame (27) articulated on the frame (1), carried by ... | 04/23/1991 |
| 4976054 | Snowplow leveling system A snowplow leveling system is described for use on a standard plow mounting structure having a reversing table mounted to a plow blade system and rotatably mounted on a support frame. The support frame is pivotally mounted about a horizontal axis onto a m... | 12/11/1990 |
| 4933853 | Ultrasonic grade and auger control An ultrasonic grade and auger control for use on a road paving machine to compensate for uneven road surfaces is described. As the road paving machine travels, asphalt is centrally deposited along the road bed. An auger is connected to the back of the roa... | 06/12/1990 |
| 4926948 | Method and apparatus for controlling motorgrader cross slope cut A method and apparatus are disclosed for controlling the cross slope angle cut by the blade of an articulated frame motorgrader operated in the crabbed steering mode wherein the articulation angle of the motorgrader frame is sensed and used to calculate t... | 05/22/1990 |
| 4888890 | Laser control of excavating machine digging depth A method and apparatus are provided for controlling the working depth of a bucket for an excavating machine having an outreach boom which is pivotally attached at one end to the machine, a downreach boom pivotally attached to the opposite end of the outre... | 12/26/1989 |
| 4887371 | Dredges A submersible dregde assembly which includes a mobile carriage which locates on and may be driven about the submerged surface of the sea, river or bay under control from the surface and which carries a rotatable bucket wheel for engaging the surface and d... | 12/19/1989 |
| 4864746 | Apparatus for compensating stop position of bucket In order to lessen the operator's fatigue and improve his actions in accuracy, there is provided an apparatus of the present invention for compensating a stop position of a bucket of a loader. By the use of the apparatus, it is possible to automatically c... | 09/12/1989 |
| 4807131 | Grading system A fully automated earthgrading machine and system is disclosed.... | 02/21/1989 |
| 4736534 | Ditcher method and apparatus A ditching method and apparatus wherein an excavator wheel provided with an annular array of peripheral scoops is rotated about a horizontal axis while the wheel is moved along the terrain alongside a railroad track. The axis of rotation of the wheel is p... | 04/12/1988 |
| 4718537 | Feeder head assembly A feeder head assembly is provided which includes a single pair of augers which collect bulk material contained within a vessel. These augers advance the material to a lifting conveyor. A frame pivotally mounted to a rotatable enclosure portion of the lif... | 01/12/1988 |
| 4650017 | Crawler-mounted machine for travel over natural terrain A self-propelled, four-way tilt off-road vehicle for use over a natural terrain. The vehicle has a mobile carrier of any conventional structure and a work base mounted over the carrier. A tilt mechanism joins the work base to the carrier for relative tilt... | 03/17/1987 |
| 4488233 | Path indicating apparatus of moving vehicle A path indicating apparatus for indicating a path so that a moving vehicle movable in the horizontal and vertical directions, such as an aircraft, may move along such a predetermined path. The predetermined path is defined as an intersecting line of two s... | 12/11/1984 |
| 4473319 | Controlled resurfacing of roads and the like A method of resurfacing a road or the like wherein existing surface profile is first measured as a function of distance over the road surface. A desired profile is then identified as a function of measured road profile by simulating travel of a vehicle ov... | 09/25/1984 |
| 4343099 | Apparatus for the parallel guidance of the bucket of a hydraulic excavator In a hydraulic dredger/excavator wherein it is desired to guide the bucket parallel to itself there is provided a control apparatus for positively controlling the necessary changes of angle between the dipper boom (4) and the bucket (5) in dependence on t... | 08/10/1982 |
| 4288196 | Computer controlled backhoe A backhoe includes a computer capable of automatically controlling the depth or lowermost point of the backhoe bucket. The computer is programmable to provide level operation of the backhoe, will have preset common depths and programmable depths, and furt... | 09/08/1981 |
| 4273196 | Automatic control system for maintaining blade in predetermined relationship to laser beam A beam receiver secured to an upper portion of a blade of an earth working equipment can rotate in a horizontal plane and move in a vertical direction and, accordingly, can catch a laser beam from a beam projector regardless of a direction of the equipmen... | 06/16/1981 |
| 4255883 | Attitude control system An attitude control system for controlling a pitch angle in relation to a horizontal pitch reference in systems wherein the components of pitch angle and horizontal pitch combine to determine a parallel path of travel with respect to a horizontal referenc... | 03/17/1981 |
| 4197032 | Apparatus and method for forming a continuous strip of paving An apparatus for concurrently preparing a ground surface and forming a continuous strip of paving material thereon, and which is characterized by the ability to simultaneously grade the ground surface substantially coextensively with the successive slip f... | 04/08/1980 |
