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| Number | Title | Issue Date |
| 5988934 | Highway barrier A road barrier, which may be the portable type having a hollow body. The road barrier is adapted to be connected to one or more other barriers having the same or similar construction to form a continuous barrier wall of a desired length.... | 11/23/1999 |
| 5988598 | Breakaway steel guardrail post A breakaway guardrail post includes upper and lower post sections spaced apart but connected by a breakaway joint. The joint is attached at one end to the upper post by a first fastener set and connected at a second end by a second fastener set. The first... | 11/23/1999 |
| 5967497 | Highway barrier and guardrail A highway guardrail includes an elongated metal plate that forms at least one ridge. The plate includes weakened regions extending at least partially across the plate, and these weakened regions are oriented obliquely to the longitudinal direction to form... | 10/19/1999 |
| 5957435 | Energy-absorbing guardrail end terminal and method An energy-absorbing guardrail terminal has a plurality of beams, extending substantially parallel to one another, and having at least one overlapping end; a plurality of break-away support posts coupled to and supporting the plurality of beams; a pluralit... | 09/28/1999 |
| 5957616 | Inertial impact attenuating barrier A sacrificial inertial barrier and an array thereof particularly useful on race circuits. The frangible barrier includes a thin walled plastic tub containing an energy absorbing dispersible mass such as water or sand, the tub being supported on a thin-wal... | 09/28/1999 |
| 5950992 | Guardrail reflector assembly A guardrail reflector assembly is attached to the corrugated rail of the guardrail or to the post of guardrail with glue due to the flexibility of the reflector assembly.... | 09/14/1999 |
| 5947452 | Energy absorbing crash cushion An energy absorbing system with one or more energy absorbing assemblies is provided to reduce or eliminate the severity of a collision between a moving motor vehicle and a roadway hazard. The energy absorbing system may be modified for use at a fixed road... | 09/07/1999 |
| 5931448 | Reverse twist turned-down terminal for road guardrail systems A turned-down terminal for a guardrail system has a drop-down section and a turned-down section formed by twisting the guardrail clockwise to be at an angle causing sufficient force and torque to pull at least a portion of the drop-down section of the gua... | 08/03/1999 |
| 5924680 | Foundation sleeve for a guardrail system A highway guardrail terminal system having horizontally extending guardrail elements mounted on a plurality of posts. Foundation sleeves having an elongated slit along one side retain and support appropriate guardrail posts. A plurality of stiffing ribs e... | 07/20/1999 |
| 5921702 | Displaceable guard rail barriers Displaceable highway safety barriers extending along the side of a roadway or forming a median strip between opposing roadway sections, the barriers including a number of skid assemblies resting, without attachment, on a supporting surface adjacent a road... | 07/13/1999 |
| 5902067 | Lighted tube support assembly A lighted tube support assembly having a first base portion and an upper lighted tube support portion. The base portion would be substantially rectangular in configuration, and would define a channel therethrough of sufficient width to accommodate the wid... | 05/11/1999 |
| 5882140 | Barrier device A barrier device comprising a top wall, a bottom wall, opposed end walls, and, opposed sidewalls each including an elongated, vertically extending curb reveal connected to the bottom wall, a substantially vertically extending upper section connected to th... | 03/16/1999 |
| 5876020 | High-performance deformable steel guardrail A guardrail for a road or highway includes spaced uprights or posts on which are mounted deformable spacers which carry a longitudinal rail. The rail is formed by two wave shaped strips mounted together in a FIG. 8 profile by fastening ribs positioned in ... | 03/02/1999 |
| 5870873 | Border unit A border unit comprising a front panel (3) and a foot (4, 5) which when standing on a flat horizontal base surface supports the front panel (3) vertically with the bottom edge of the front panel (3) extending along the base surface. The unit (20) has end ... | 02/16/1999 |
| 5868521 | Highway crash cushion and components thereof A highway crash cushion includes a single, central, rigid, guide rail that guides the crash cushion in axial collapse. Diaphragm assemblies are each provided with recessed legs, and a central guide that slides along the rail while locking against the rail... | 02/09/1999 |
| 5865943 | Apparatus for applying adhesive product to road barriers A tape applying apparatus for applying adhesive tape product to a primarily vertical surface includes a taping head which can be adjusted to apply the tape product at a specific predetermined location along such a primarily vertical surface, wherein the t... | 02/02/1999 |
| 5860762 | Energy absorbing barrier system An energy absorbing barrier system comprises a plurality of composite concrete barriers, each barrier including a reinforced concrete section having a back wall upon a support base. The support base is connected to a concrete veneer face section having an... | 01/19/1999 |
| 5851005 | Energy absorption apparatus An energy absorption apparatus to dissipate impact force of a vehicle and to protect fixed objects near highway by safely stopping the vehicle. A plurality of energy absorbing metal plates are configured in such a way that by applying the force of impact ... | 12/22/1998 |
| 5823584 | Vehicle mounted crash impact attenuator A crash impact attenuator designed to be mounted on a service truck or other vehicle including a perimeter band, preferably with an elongated profile having generally arcuate ends spaced from each other and interconnected by opposing links of side walls. ... | 10/20/1998 |
| 5809733 | Rotating guard rail assembly A rotating guard rail assembly formed preferably of steel tubing and sheathed in a polymerized material such as plastic. The assembly generally comprises a vertical stanchion sheathed in plastic and having a rotating jacket assembly mounted about the exte... | 09/22/1998 |
| 5797591 | Guardrail with improved ground anchor assembly A ground anchor assembly for a highway guardrail includes first and second spaced ground anchors and a connecting element interconnected between the anchors. An anchor cable included in the guardrail assembly is connected to the ground anchor assembly adj... | 08/25/1998 |
| 5797592 | Roadside energy absorbing barrier with improved fender panel fastener A roadside energy absorbing barrier includes energy absorbing elements interposed between diaphragms, with fender panels mounted by hinges to the diaphragms. The fender panels define longitudinally extending slots, and a fastener is mounted between adjace... | 08/25/1998 |
| 5794390 | Structural covering A structural covering that is attachable to a rail of a railing that has a top, a pair of sides, ends, and a bottom, and that is attachable to a floor board of a deck that has a top, a pair of sides, ends, and a bottom, while covering most of the rail of ... | 08/18/1998 |
| 5791811 | Shock absorbing wall construction A shock absorbing wall construction makes it possible to prevent the car from rolling over and protect the car occupant's head and neck in case of car crashes. The shock absorbing wall construction has a main shock absorber part or portion having an elast... | 08/11/1998 |
| 5791812 | Collision performance side impact (automobile penetration guard) Apparatus and methods are described for preventing the penetration of vehicles by narrow objects such as guardrail ends or portions of a guardrail end treatment during a collision. In one embodiment, portions of an ET-2000 guardrail extruder terminal are ... | 08/11/1998 |
| 5779389 | Deformable impact test barrier An impactor for a movable, deformable barrier, simulating an automobile, comprising an upright, solid backing support, a plurality of energy absorbing impact segments protruding from the support, each segment having an outer impact face and each comprisin... | 07/14/1998 |
| 5775675 | Sequential kinking guardrail terminal system A highway guardrail terminal system having horizontally extending guardrail elements mounted on a plurality of posts. An impact head is positioned over the upstream end of the guardrail. A kinker beam is attached to an inlet of head and a kinking deflecto... | 07/07/1998 |
| 5772357 | Curbing A curbing system provides an outer shell constructed of a durable synthetic material. The shell has at least a base and a pair of sidewalls that extend upwardly from the base. A securing medium interconnects the base with a ground surface and a rigid fill... | 06/30/1998 |
| 5765811 | Guardrail terminal A guardrail terminal end system for use at the upstream end of a W-beam guardrail mounted along the side of a roadway. The system includes a flat plate rail which extends horizontally along and is flared away from the roadway in a substantially straight l... | 06/16/1998 |
| 5762443 | Ground retractable automobile barrier A heavy duty shock absorber system for resisting large forces as may be encountered, for example, in a restraining barrier for a railroad crossing. A concrete bunker with an upstanding concrete-filled steel pipe has a hydraulic, compressive shock absorber... | 06/09/1998 |
| 5746538 | Concrete barrier having a plastic cladding A concrete barrier having a plastic cladding that provides protection for the concrete against chemical deterioration. A cap assembly enables the barrier to be fitted with standard anchor sheets and made in standard jersey barrier forms. The cap assembly ... | 05/05/1998 |
| 5746537 | Crash-energy absorbing composite structure and method of fabrication A stand-alone, crash-energy absorbing structure and fabrication method are provided. A plurality of adjoining rigid cells are each constructed of resin-cured fiber reinforcement and are arranged in a geometric configuration. The geometric configuration of... | 05/05/1998 |
| 5740629 | Fortified gate system and locking device A fortified gate system and locking mechanism is disclosed which utilizes spring loaded locking mechanisms, triggered by the impact of an object such as a vehicle, to interlock a gate, a brace, and fortified anchoring devices. This interconnected structur... | 04/21/1998 |
| 5733062 | Highway crash cushion and components thereof A highway crash cushion includes a single, central, rigid, guide rail that guides the crash cushion in axial collapse. Diaphragm assemblies are each provided with recessed legs, and a central guide that slides along the rail while locking against the rail... | 03/31/1998 |
| 5720470 | Barrier A barrier, especially intended for roads and bridges and comprising supports and impact-absorbing elements which extend between the supports and are connected to the supports. The impact-absorbing elements consist of tubes, rods or bars with mountings whi... | 02/24/1998 |
| 5718413 | Safety cushion A safety cushion provided by folding a tread portion of a discarded tire back onto itself. Fasteners can be employed for maintaining the tread portion in the folded position. The safety cushion can be placed between and underneath shipping crates, underne... | 02/17/1998 |
| 5713161 | Noise-protection screen A noise-protection screen (1) provided with a number of sound-damping elements (2) and over the length of the noise-protection screen, spaced at a distance from each other with girders for the support of the elements, and a sound-damping element for a noi... | 02/03/1998 |
| 5697728 | Light guardrail for bridges Light guardrail for bridges formed by a plurality of uprights (1, 2) made of sheet steel and having a box-like shape. The uprights are individually fixed by means of screw anchors (4) to a support (5) made of concrete (Kerbstone of the viaduct or foundati... | 12/16/1997 |
| 5689927 | Concrete post usable with a sound barrier fence A post having particular utility for use in a highway sound barrier wherein a number of posts are set along the highway to support acoustical panels. Each post is made of reinforced precast concrete having side channels to mount the acoustical panels. The... | 11/25/1997 |
| 5688071 | Road elements, and method of and device for transferring same A method of transferring a plurality of road elements includes the steps of arranging a plurality of roller units on each of the road elements substantially centrally of each road element, pivotally connecting end portions of the adjacent road elements wi... | 11/18/1997 |
