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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7316520 | Low surface area shearing device An apparatus for use in shearing paving material applied to a surface is provided. This apparatus includes a blade for shearing the asphalt mixture to a desired thickness, cylinders for raising and lowering the blade in response to elevational changes in the surface... | 01/08/2008 |
| RE39834 | Apparatus and method for three-dimensional contouring A contouring device and method for contouring three-dimensionally curved surfaces includes an elongated contouring assembly that is supported at opposite ends by a pair of fluid cylinders. The fluid cylinders are controlled to raise and lower the ends of the contour... | 09/11/2007 |
| 7244077 | Method for controlling material flow in a paving machine An auger/cut off assembly for a floating screed asphalt paver. The auger/cut off assembly consists of an auger mechanism with an axis of rotation and a cut off mechanism. The cut off mechanism has a concave cut off panel that rotates about the axis of the auger mech... | 07/17/2007 |
| 7198429 | Segmented concrete screed A segmented concrete screed for screeding concrete on a concrete casting bed includes a plurality of individual screed units each of which may be raised and lowered independently of the others such that screeding operations may selectively bypass obstructions in the... | 04/03/2007 |
| 7198428 | Comminution machine A comminution machine included in an earth working machine which can be moved over a terrestrial area to be worked in a direction of working comprises a rotating roller comminution device. A grader blade is mounted on the comminution machine down stream from the com... | 04/03/2007 |
| 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 |
| 7175363 | Apparatus and method for improving the control of a concrete screed head assembly A soft landing control system for a screeding device is operable to automatically lower a vibrating member of a screed head assembly into engagement with a concrete surface at a time and place where the vibrating member is not positioned over an overlap area of alre... | 02/13/2007 |
| 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 |
| 7168886 | Method and apparatus for laying a traffic calming surface The present application relates to methods for laying a traffic calming surface, in which molten material is deposited on the surface of a road or path and is then moulded so as to form a continuous, substantially sinusoidal profile which extends along the intended ... | 01/30/2007 |
| 7144191 | Apparatus and method for three-dimensional contouring A contouring machine control system, contouring/smoothing method, and kit for enabling a contouring machine to automatically contour three-dimensional surfaces includes a contouring member, such as a screed or dirt grading blade, a target either attached to the cont... | 12/05/2006 |
| 7121763 | Folding end gate for screed assembly An end gate assembly for a screed for a paving machine, where the screed is provided with a screed hinge component, includes a frame having a frame hinge portion that is adapted to mate with the screed hinge component to form a hinge having a hinge axis about which ... | 10/17/2006 |
| 7044681 | Apparatus and method for improving the control of a concrete screed head assembly A soft landing control system for a screeding device is operable to automatically lower a vibrating member of a screed head assembly into engagement with a concrete surface at a time and place where the vibrating member is not positioned over an overlap area of alre... | 05/16/2006 |
| 6929420 | Apparatus and method for three-dimensional contouring A device and method for contouring three-dimensionally curved surfaces includes an elongated contouring assembly that is supported at opposite ends by height adjustment mechanisms. The height adjustment mechanisms raise and lower the ends of the contouring assembly ... | 08/16/2005 |
| 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 |
| 6520715 | Asphalt delivery and compaction system A system and device is disclosed for obtaining a topographical profile of a road bed, and then delivering an asphalt mat that varies in thickness according to that profile. The system enables variance in the mat thickness across the width of the mat as we... | 02/18/2003 |
| 6286436 | Mobile cement laying machine A mobile cement laying machine for delivering concrete via tracks to areas which are difficult to access by truck. The mobile cement laying machine includes a carriage with a front end and a back end. A hopper is mounted to an upper side of the carriage t... | 09/11/2001 |
| 6287048 | Uniform compaction of asphalt concrete An apparatus having a horizontal compacting roller and a side edge confinement roller or shoe for compacting an asphalt concrete lane. A sensor is on the carrier vehicle for sensing the position of a defined edge of the lane, and a control is provided for... | 09/11/2001 |
| 6220780 | Apparatus for translocating lane divider An apparatus and method is described for translocating a lane divider from an initial position to a final position on a roadway. The apparatus comprises a conveyor connected to a vehicle. The conveyor includes a receiving segment for receiving the lane di... | 04/24/2001 |
| 6109825 | Paving apparatus with automatic mold positioning control system An apparatus and method for automatically controlling operation of a slip form paver to maintain a substantially constant mold position relative to a string line while changing the cross slope of the mold. The paver follows a path over the ground relative... | 08/29/2000 |
| 5988936 | Slip form control system for tight radius turns A machine for distributing a material through a working unit along a ground surface in a direction established by an external reference includes front and rear devices for moving the machine along the ground surface, a steering control unit that functions... | 11/23/1999 |
| 5876150 | Self-recovering grade control feeler A grade control feeler assembly provides a pair of spaced apart control line feelers mounted on a rotational hub such that when an obstacle such as a line stake is encountered a first feeler running in contact with the line is rotated by the obstacle. Thi... | 03/02/1999 |
| 5871301 | Reversible grade alignment system A reversible alignment system comprising an indicator assembly supported by a mounting assembly that uses conventional reference guides such as a string line or hard surface adjacent the construction site to ensure proper tool orientation for construction... | 02/16/1999 |
| 5838277 | GPS-based controller module A GPS-based integrated controller module combines in a single integrated package or module a GPS receiver, a map, and a logic or decision module which provides an output control signal or control code. The map of the integrated module provides various rep... | 11/17/1998 |
| 5752783 | Paver with radar screed control A paving apparatus is provided with a micropower impulse radar device connected to control a leveller. The leveller is a screed provided with actuators for adjusting screed elevation, slope, and extension. The radar senses a reference, such as a string li... | 05/19/1998 |
| 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 |
| 5599134 | Asphalt paver with compaction compensating system An improved asphalt paver with a compaction compensating system includes a nominal reference, such as an elongate averaging ski, for determining the general profile of the underlying terrain on which a mat of asphalt material is being placed by the paver.... | 02/04/1997 |
| 5549412 | Position referencing, measuring and paving method and apparatus for a profiler and paver A profiler is used to collect data on a base surface. An asphalt paver is provided with a like profiler that measures smoothness of a fresh mat of asphalt laid by the paver. The profilers measure surface elevation as a function of forward travel position.... | 08/27/1996 |
| 5546123 | Automatic steering device for asphalt finisher An automatic steering device is presented for controlling the direction of travel of an asphalt finisher during a paving operation. The device is provided with a laser generator (18) which projects a laser beam of a slit shape on a series of objects along... | 08/13/1996 |
| 5405215 | Paving apparatus A mobile paving machine which may, with minor modification, be employed either to distribute material along the path of movement of the machine or in a region which is laterally offset to one side of the motion path. In order to spread material in a later... | 04/11/1995 |
| 5352063 | Polymer concrete paving machine A self-propelled paver that distributes, consolidates, places and finishes polymer concrete to rapidly resurface roadbeds. A mobile, wheeled chassis mounts an adjustable hopper that receives premixed polymer from a mixer truck that precedes the paver. A f... | 10/04/1994 |
| 4948292 | Paving machine having transversely and longitudinally adjustable grade sensors A paver of the floating screed type which is capable of operating with screed extensions for laying down pavement at various widths includes a self-contained, stowable and extensible grade reference system with a wide, planar adjustment range. The grade r... | 08/14/1990 |
| 4759657 | Method and a device for controlling the vertical adjustment of a levelling plank The present invention refers to a method for controlling the vertical adjustment of a levelling and compacting plank drawn by a road-construction machine. During the working procedure the level of the plank, which is in floating contact with the material,... | 07/26/1988 |
| 4678364 | Tractor-drawn forming tool for making concrete slabs on the ground A forming tool made to be drawn by tractor-feeder means of any type. The tool comprises two arms mounted to pivot by their front ends on the tractor-feeder. At the back end of the arms is mounted a needle ramp for immersion vibration so as to keep the con... | 07/07/1987 |
| 4403889 | Grade control alignment device and method A grade control alignment device and method used in combination with a machine having an automatic grade control system to control the grade or elevation of a working implement. The alignment device is mounted on the machine and a sighting reference is vi... | 09/13/1983 |
| 4270801 | Steering and cutter drum positioning in a paved roadway planing machine A wheeled roadway planing machine in which the wheels are pivotable by individual hydraulic rams for steering purposes. Each ram is controlled by a rotary, blocked-center valve and the valves are simulataneously actuated by a linkage which establishes a p... | 06/02/1981 |
| 4213719 | Grade averaging apparatus An improved portable grade averaging apparatus comprising an averaging bar assembly that serves as an elevation control reference for a track supported road working machine. One end of an averaging bar member is pivotally supported by a forward steering d... | 07/22/1980 |
| 4185712 | Master slave steering control A master slave steering system is provided for earth construction machinery having front and rear steerable wheels or tracks. A front steering sensor is connected to control the front wheel or track, and the rear wheel or track is controlled either from a... | 01/29/1980 |
| 4139318 | Method and apparatus for planing a paved roadway A method and apparatus for planing a paved roadway wherein a main frame is drivingly supported by track assemblies and a planer assembly is disposed in cutting engagement with a top portion of the paved roadway to produce a new roadway surface. An elevati... | 02/13/1979 |
| 4029165 | Convertible construction machine A construction machine is disclosed having a main frame that is supported by means of three or four vertically adjustable suspension points from a pair of walking beams located on opposite sides of the main frame. Each walking beam has a vertical steering... | 06/14/1977 |
| 3999314 | Small sub-grader The rotating cutting tool of a sub-grader is adjustably mounted transverse the front of the frame of the machine upon a tool support in a manner which isolates changes in grade from changes in slope and which minimizes the influence of changes in slope up... | 12/28/1976 |
