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| Number | Title | Issue Date |
| 8070381 | Road stud A base unit for a road stud is provided. In one embodiment, the base unit is made of plastic and has a recess with a plurality of projections. The projections extend over the floor of the recess for retaining a resilient insert within the recess. The base unit compr... | 12/06/2011 |
| 8033749 | Crash impact attenuator systems and methods A reusable energy-absorbing crash attenuator comprises a base, a rail disposed on and extending along a length of the base, and a plurality of energy absorbing modules slidably disposed on the rail. Each of the energy absorbing modules comprises a first module porti... | 10/11/2011 |
| 8002493 | Flexible route marker A flexible marker post assembly having a base, first and second members of an elastomeric material secured to the base and extending upwardly therefrom, the first and second flexible members each having respective first and second side walls with a concave recess fo... | 08/23/2011 |
| 7955023 | Slip base structure with clip device The present invention relates to a structure for supporting a road support including: a base plate fixedly disposed on ground in such a manner as to be spaced apart by a predetermined distance from the surface of ground; a slip plate slidably disposed on the top sur... | 06/07/2011 |
| 7905678 | Deployable collapsible engineered material systems for runway safety An apparatus and method for slowing a vehicle. The method including: disposing a predetermined thickness of collapsible material over a base; disposing a plurality of panels over a top surface of the collapsible material over which the vehicle travels; and selective... | 03/15/2011 |
| 7866914 | Flexible marker device A flexible marker device comprises a marker body having a bottom end and a top end, and a base for supporting the marker body. The base has an aperture in a center portion thereof and a groove extending about the aperture in an upper surface of the base. The bottom ... | 01/11/2011 |
| 7811026 | Support base for flexible marker device A flexible marker device comprises a marker body having a bottom end and a top end, and a base for supporting the marker body. The base has an aperture in a center portion thereof and a cavity extending about the aperture in an upper surface of the base. The bottom ... | 10/12/2010 |
| 7794175 | Delineating pole having an anchoring base and spring cartridge for snow based applications An anchoring base for a delineating pole using the reconfiguration of protruding resilient mechanical members to facilitate insertion and resist the subsequent extraction force on the pole. The mechanical members extend outwards relative to the insertion rod longitu... | 09/14/2010 |
| 7744303 | Collapsible concrete systems for runways A collapsible concrete system for slowing a vehicle is provided. The system including: a predetermined thickness of collapsible concrete disposed over a base; and a covering disposed over a top surface of the collapsible concrete over which the vehicle travels. The ... | 06/29/2010 |
| 7677831 | Flexible marker device A flexible marker device comprises a marker body having a bottom end and a top end, and a base for supporting the marker body. The base has an aperture in a center portion thereof and a groove extending about the aperture in an upper surface of the base. The bottom ... | 03/16/2010 |
| 7597502 | Vehicle arresting blocks, beds and methods A block of compressible material, such as cellular concrete, provides compressive failure characteristics suitable for arresting travel of an aircraft (or other vehicle) overrunning a runway (or other surface). Relatively thin frangible material positioned above the... | 10/06/2009 |
| 7585127 | Roadside post A roadside post (10, 110) comprises an elongate body (30, 130) formed of sheet spring steel. The body (30, 130) has a longitudinal axis (L), a front face (31, 131) and a rear face (33, 133). The body (30, 130) is elastically... | 09/08/2009 |
| 7537412 | Breakaway signpost A sectional I-beam post for use along a roadside in which the post has a first elongate lower section securable via a first slip type coupling to a base anchored in the ground. Slip movement of such coupling is in a direction across the length of the post. The first... | 05/26/2009 |
| 7530759 | Retractable energy absorbing system An energy absorbing system. The energy absorbing system includes a supporting member, a barrier mechanically coupled to the supporting member, the barrier pivotable between a substantially horizontal position and a predetermined angle, and an energy absorber mechani... | 05/12/2009 |
| 7530760 | Roadway for decelerating a vehicle including a delayed release means for depressed runway panels A method for slowing a vehicle traveling over a movable surface in a direction of travel is provided where the vehicle has a first wheel and at least a second wheel offset from the first wheel in a direction opposite to the direction of travel. The method includes: ... | 05/12/2009 |
| 7520694 | Flexible traffic reflector A traffic control device is made up of a round lower tube of a rigid material, a round adapter tube of a flexible material, and a round upper tube of a rigid material. An upper portion of the upper tube provides a motorist recognizable indicia. A lower portion of th... | 04/21/2009 |
| 7481600 | Energy absorbing wall system and method of use Provided is an energy-absorbing wall system for use with vehicle barriers, such as race track walls or barriers, highway guard rails or partitions, and the like. The wall system comprises a series of impact panels attachable to a wall and crush panels between the im... | 01/27/2009 |
| 7473051 | Flexible route marker A flexible route marker post which comprises an upright post having an upper end and a lower end, the lower end having first and second flexible members secured thereto, the lower end of the flexible members being secured to a base, the arrangement being such that t... | 01/06/2009 |
| 7441983 | Energy absorbing system with support An energy absorbing system. The system includes two anchors, a net mechanically coupled thereto and spanning a roadway, and a first raising/lowering arm arranged on one side of the roadway. The first raising/lowering arm mechanically coupled to and supporting an upp... | 10/28/2008 |
| 7435033 | Vehicle diverting system A vehicle diverting system includes a driveway has an upper surface. A trough extends into the upper surface. The trough is elongated and extends between lateral edges of the driveway. A housing has a first end and a second end. The first end is rotatably coupled to... | 10/14/2008 |
| 7401996 | Cable-release anchor assembly A cable-release anchor assembly including a cable mounting plate adapted for removably holding a cable proximate its terminal end and a leveraging member positioned to release the cable from the terminal end when the leveraging member is impacted. The cable may be c... | 07/22/2008 |
| 7399138 | Road restraint system parts A road restraint system part is made of polyolefin material having an energy absorption of at least 10 kJ/m2 at +23° C. and at least 5 kJ/m2 at −20° C. (determined according to ISO 179/1eA with notched specimens). ... | 07/15/2008 |
| 7396184 | Crash cushion A vehicle crash cushion for decelerating a vehicle includes front and rear anchors spaced along a longitudinal direction and at least one deformable attenuator member extending in the longitudinal direction and having a first end coupled to the front anchor and a se... | 07/08/2008 |
| 7377717 | Traffic delineator alignment system A load assembly for a self-uprighting delineator which moves from a first upright position to a second yielded or deflected position upon impact and returns to the upright position after impact. The assembly has upper and lower cell elements that have cooperating an... | 05/27/2008 |
| 7374362 | Vehicle barrier In order to stop a moving vehicle without injury to occupants, a vehicle barrier is provided having a pair of platforms disposed on opposite sides of a roadway, and a capture net extending across the roadway between the platforms. Each platform has a rotatably mount... | 05/20/2008 |
| 7374363 | Safe removable bollard A removable bollard is provided. A bollard is attached to a bollard plate with a catch fixed to one end and a lock juncture fixed near the opposite end of the bollard plate. Additionally provided is a base plate with a catch receiver at one end of the base plate, a ... | 05/20/2008 |
| 7371029 | Vehicle barrier system A security barrier system for use with a trafficable surface and a site requiring protection from advancing vehicles includes a visual indicator element having an appearance that is distinctive from the trafficable surface and disposed adjacent to the trafficable su... | 05/13/2008 |
| 7367549 | Safety barrier anchorage A road safety barrier comprising a series of posts rigidly mounted on or in the ground, an anchor body (9) fixed in or on the ground beyond the series of posts, and at least one rope (1-4) which is supported by the posts so as to extend along th... | 05/06/2008 |
| 7340854 | Breakaway sign post with magnetically coupled sections An improved sign post assembly (10) for roadway use is provided wherein a sign post (12) includes a lower section (16) adapted for anchoring to the earth, a mating upper section (20) and a magnetic coupling assembly (24) for mainta... | 03/11/2008 |
| 7338229 | Traffic cone counterweight structure A traffic cone counterweight structure, the base of the cone is preformed with a large-diameter opening at the center having a convex ring member of proper width at its mid-section along the inner edge. A plurality of dovetail through holes are annularly configured ... | 03/04/2008 |
| 7325999 | Locking device for traffic beacon A locking device is disclosed for locking a signaling body coupled to a holding device of a traffic beacon by a coupling device. The locking device comprises a locking bar extending over at least a portion of the coupling device. A fastener device fastens the lockin... | 02/05/2008 |
| 7314020 | Over-height vehicle barriers An over-height vehicle barrier has a supporting beam mounted above a carriageway, with multiple blade-like members rotatably mounted to the supporting beam such that the blade-like members are suspended downwardly from the beam in parallel relationship and in close ... | 01/01/2008 |
| 7306397 | Energy attenuating safety system An energy absorbing system with one or more energy absorbing assemblies is provided to reduce or eliminate severity of a collision between a moving vehicle and a roadside hazard. The energy absorbing system may be installed adjacent various roadside hazards or may b... | 12/11/2007 |
| 7302908 | Combination airport air and ground transportation marker and airport traffic way A combination airport air and ground transportation marker and airport traffic way comprises broad, substantially coextensive first and second sheets of pliant material each having a perimeter edge formed with a fluid ballast bladder formed with a fluid inlet for pe... | 12/04/2007 |
| 7303353 | Relocatable transportable safety crash barrier system A relocatable traffic barrier system including a plurality of elongate barrier modules (112, 113) connected end-to-end, each module having a cavity for receiving a ballast of a fluid material wherein the barrier system includes at least one crash rail (124... | 12/04/2007 |
| 7302770 | Stabilized A-frame sign stand An improved A-frame sign stand is disclosed. The sign stand includes front and rear panels hingedly attached. A support rod is removably attachable to the panels and prevents both separation and buckling of the panels. The support rod can be placed into various stor... | 12/04/2007 |
| 7300223 | Impact attenuator system An impact attenuator system includes a hyperelastic member that comprises an energy absorbing material which behaves in a rate-independent hyperelastic manner so that its permanent set is minimized and the material can absorb tremendous amounts of impact energy whil... | 11/27/2007 |
| 7287930 | Vehicle impact attenuator A vehicle impact attenuator that can be installed at low cost in a narrow installation space, immediately stop a colliding vehicle, and effectively mitigate the impact on the vehicle. The vehicle impact attenuator includes a shock absorber that deforms upon a collis... | 10/30/2007 |
| 7270138 | Joint mechanism A joint mechanism for use in a rod for bearing at least a portion of a user's weight and a corresponding flexible tip for contacting a substantially horizontal surface. The joint mechanism includes a spring mechanism, a first bushing, and a second bushing. The sprin... | 09/18/2007 |
| 7267324 | Ranch fence An interlocking steel fencing system having posts and rails made from tubular steel, the posts and rails being either round or rectangular in shape, the posts having openings therein which correspond with the shape of a rail designed to be inserted therein, the end ... | 09/11/2007 |
