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| Number | Title | Issue Date |
| 8424972 | Road milling machine and method for positioning the machine frame parallel to the ground In a self-propelled road milling machine (1), particularly a cold-milling machine, comprising a track assembly carrying the machine frame (4) via lifting columns (12,13), a milling roller (6) supported on the machine frame (4) for ... | 04/23/2013 |
| 8292371 | Adaptive advance drive control for milling machine An adaptive advance control system for a construction machine senses the reaction forces applied by the ground surface to a milling drum, and in response to the sensed changes in those reaction forces controls the rate of lowering the milling drum into the ground su... | 10/23/2012 |
| 8128177 | Adaptive advance drive control for milling machine An adaptive advance control system for a construction machine senses the reaction forces applied by the ground surface to a milling drum, and in response to the sensed changes in those reaction forces controls the motive power applied to an advance drive of the mach... | 03/06/2012 |
| 8061782 | Sensors on a degradation machine In one aspect of the invention, a machine for degrading a natural and/or man-made formation has picks connected to a drum of the machine and at least one accelerometer mounted to the machine adapted to measure forces acting on the machine. Electronic equipment is in... | 11/22/2011 |
| 7984953 | Method and device for optimizing a cutting process in road milling machines In a method for optimizing a cutting process in milling machines which are used to machine road coverings, which comprise a milling device fitted with milling tools which is sprayed with liquid in order to cool the milling tools, in addition to a drive motor, the fo... | 07/26/2011 |
| 7887142 | Sensors on a degradation machine In one aspect of the invention, a machine for degrading a natural and/or man-made formation has picks connected to a drum of the machine and at least one accelerometer mounted to the machine adapted to measure forces acting on the machine. Electronic equipment is in... | 02/15/2011 |
| 7828392 | Metal detector for a milling machine A milling machine for milling a paved surface having milling tools connected to an underside of a body of the machine and at least one metal detector attached to a front end of the machine. The metal detector has at least one electrically conductive coil disposed wi... | 11/09/2010 |
| 7717521 | Metal detector for an asphalt milling machine A milling machine for milling a paved surface has milling tools connected to an underside of a body of the machine. At least one ferrous metal detector is attached to a front end of the machine. Electronic equipment is disposed within the machine and is in communica... | 05/18/2010 |
| 7530641 | Automotive construction machine, as well as method for working ground surfaces An automotive construction machine for working ground surfaces, with a machine frame, a drive engine for driving traveling devices and for driving working devices, and a milling drum for milling the ground surfaces, which can be raised, driven by, and can be uncoupl... | 05/12/2009 |
| 7510247 | Ice resurfacing machine as well as system and method for ice maintenance The invention comprises an ice resurfacing machine (1) as well as a system and method for maintenance of ice (3). According to the invention, location of the ice resurfacing machine, properties of the environment of the ice (3) or the position o... | 03/31/2009 |
| 7434889 | Self-propelled concrete saw with forward motion speed control system The present invention provides a forward motion speed control system for a self-propelled concrete saw, a self-propelled concrete saw equipped with a forward motion speed control system and a method of controlling the forward motion speed of a concrete saw during a ... | 10/14/2008 |
| 7422391 | Road milling machine with optimized operation A road milling machine having a milling roller with a plurality of chisels. A signal receiving unit is assigned to a machine component which is directly or indirectly involved in the milling process or to another machine component. The signal receiving unit detects ... | 09/09/2008 |
| 7337037 | Controlled wall saw and method for controlling the wall saw A control wall saw includes a guide rail (2) securable on a to-be-cut wall (7), a saw head (3) displaceable along the guide rail (2), a rotary drive, a pivotally adjustable saw arm (4) on a radially end of which a rotatably driven,... | 02/26/2008 |
| 7331636 | Electric milling machine A milling machine comprising a housing including a frame, a front wheel assembly supporting the housing, at least a first rear wheel assembly and a second rear wheel assembly supporting the housing, a milling drum mounted within the housing and extending below the h... | 02/19/2008 |
| 7178606 | Work implement side shift control and method A system for automatically moving a work implement of a work machine includes a position monitoring system configured to track a position of the work implement relative to a mapped landscape and programmable to incorporate an electronic representation of at least on... | 02/20/2007 |
| 7178273 | Cutting device for cutting trenches in the ground A cutting device for cutting trenches in the ground having at least one cutting wheel drivable in rotary manner and at least one first cutting element, located on the cutting wheel, for removing soil material during a rotation of the cutting wheel in one rotation di... | 02/20/2007 |
| 7172363 | Paving machine output monitoring system A paving machine may include a power source, a traction system, a hopper configured to contain paving material, and one or more conveyors configured to transfer the paving material from the hopper. The paving machine may also include a screed configured to lay a mat... | 02/06/2007 |
| 7117864 | Mobile road or floor saw A floor or road saw that includes a multi-speed transmission that includes a neutral position. The transmission does not require the use of belts, polychains or clutches that require regular maintenance and/or replacement. Moreover, the transmission of the saw may b... | 10/10/2006 |
| 7073495 | Method and apparatus for cleaning concrete during cutting A concrete cutting saw has wheels and a rotating cutting blade that cuts a groove in the concrete surface. A support is mounted to the saw to support the concrete surface adjacent the cutting blade to reduce raveling. One or more nozzles are mounted to the saw and i... | 07/11/2006 |
| 7070244 | Road milling machine This invention is road milling machine with a chassis (13) having at least four wheels of which the front four wheels (14) are assigned to a parallelogram steering axle (23). The parallelogram steering axle (23) guides the front wheels ( | 07/04/2006 |
| 7029199 | Automatic ground marking method and apparatus An automatic ground marking apparatus including a carriage (1) responsive to carriage control signals for traversing the ground (5), the carriage having a controllable steering and drive system, a controllable marking system and a position determining ... | 04/18/2006 |
| 6935439 | Boring tool control using remote locator A drilling system performs underground boring using a drill rig and a boring tool which is configured for moving through the ground under control of the drill rig to form an underground bore. A monitoring arrangement, forming part of the system, includes a detection... | 08/30/2005 |
| 6921230 | Closed loop control system for pavement surfacing machine Apparatus and methods for controlling the operation of a pavement surfacing machine are described. One embodiment that controls a pavement surfacing machine having a vehicle moveable in a preselected direction of travel along a pavement surface under the influence o... | 07/26/2005 |
| 6916070 | Laser-based controller for adjusting the height of a machining tool of a construction machine A laser-regulating means for a construction machine for adjusting the height of a height-adjustable machining tool includes three laser measuring heads which are directed to three measuring points being spaced from each other on a reference surface, and an evaluatin... | 07/12/2005 |
| 6772134 | Control means for a horizontal boring tool Control apparatus for a horizontal boring tool is described which drives a boring lance via boring rods. The tool includes an input interface for receiving actual values of controlled variables of the horizontal boring tool, and an output unit for issuing control si... | 08/03/2004 |
| 6682261 | Method for correcting the roughness of pavement A method for correcting roughness of pavement wherein the steps include measuring an elevation profile of the pavement, converting the elevation profile to a roughness profile, and identifying defective segments of the roughness profile as those areas of ... | 01/27/2004 |
| 6371566 | Process and device for milling off traffic areas A process of milling by first surveying the actual profile of a traffic area and generating actual profile data. The desired profile data is generated from an initial basic data set and the desired profile data of the traffic area is corrected with respec... | 04/16/2002 |
| 6179519 | Device and a method for moving an object A device and a method for moving an object are based on the fact that the object (8) is pivotable in relation to a base portion (7) about an axis. There is an arrangement (18) for displacing, during pivoting motion of the object, the object substantially ... | 01/30/2001 |
| 6152648 | Method and apparatus for controllably avoiding an obstruction to a cold planer A jump and return to grade function provides a means by activation of a switch to rapidly raise a milling machine to avoid an obstacle, then return the machine to the previous milling position. When the jump function is activated, the legs are extended at... | 11/28/2000 |
| 5984420 | Grade averaging system with floating boom and method of using the same A traveling construction apparatus includes a flame having first and second ground engaging traveling gears connected to the frame and spaced apart in a direction of travel. A traveling gear height adjuster is connected between the frame and the first tra... | 11/16/1999 |
| 5879056 | Kickback protection device and method of use The present invention relates to a device for detecting when a cold planer experiences a kickback condition. The device includes a wheel adapted to be connected to the cold planer such that the wheel is caused to rotate in a first direction when the cold ... | 03/09/1999 |
| 5645232 | Tank cleaning apparatus and method A knockdown tank-cleaning apparatus that is easily broken down and reassembled is provided. The tank-cleaning apparatus, when knocked down, easily fits through a standard man-way opening in the side of the tank. The tank-cleaning apparatus includes a knoc... | 07/08/1997 |
| 5607205 | Object responsive implement control system An automatic object responsive control system for a work implement has a ground penetrating device mounted for sensing subsurface objects, an object detecting device for determining the undesirability of the object, and an implement control system for aut... | 03/04/1997 |
| 5533790 | Floor milling machines A floor milling machine is provided which comprises a chassis structure supported by front and real ground-engaging wheels respectively and a rotatable milling drum mounted on the chassis structure. The machine is particularly designed for use indoors, an... | 07/09/1996 |
| 5297894 | Machine and method for repetitively cutting equally spaced and dimensioned highway surface depressions A machine for repetitively cutting depressions of equal desired dimensions and at equal desired spacings between them in a highway surface includes a mobile chassis movable along the highway surface and having a support frame mounted for pivotal movement ... | 03/29/1994 |
| 4968099 | Fluid control system for roadway grooving apparatus A machine for cutting spaced grooves in a concrete road surface includes at least two laterally-spaced hydraulic cylinders which apply downward operating forces on a travelling cutter head. Each cylinder is individually pressurized through a pressure line... | 11/06/1990 |
| 4943119 | Height control device and method for a fixture for machining an object essentially defined by a single plane A height control device for a fixture which comprises at least a pair of gauging devices each having an ultrasonic transceiver for gauging a certain distance. A signal generator is connected to both gauging devices for generating a signal representative o... | 07/24/1990 |
| 4934757 | Control of mineral mining machines A coal wining plough in a longwall working employs adjustable floor cutters mounted on curved carriers displaced in guideways on the body of the plough. Wedges abut on the upper ends of the carriers and are moved by hydraulic piston and cylinder units to ... | 06/19/1990 |
| 4929121 | Control system for a road planer A control system for a road planer in which the mechanical drive components are selectively and sequentially controlled in response to operator inputs and to sensed operating conditions. The control also responds to the occurrence of predefined fault even... | 05/29/1990 |
| 4900093 | Impact ripper and control Impact rippers are useful in fracturing rocks, concrete, etc. which cannot be fractured by ripping alone. Operating the impactor of the impact ripper without sufficient loading applied to the ripper tip is detrimental to the life of the impact ripper. The... | 02/13/1990 |
