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| Number | Title | Issue Date |
| 7507052 | Speed bump devices A speed bump device is provided. The speed bump device comprises a first parallelogram frame, wherein the frame comprises an upper nested beam and a lower nested beam, wherein the upper beam and the lower beam are connected by way of at least one pivotable connectin... | 03/24/2009 |
| 7452158 | Infill for bollard footing hole The invention relates to an infill which can be inserted into a bollard footing hole. The infill is designed such that it allows a bollard to be fit over it, and the infill fits within a footing hole. Methods of covering a footing hole are also bought. ... | 11/18/2008 |
| 7401997 | Protruding road warning device A protruding road warning device includes a base plate, at least one mounting spike, a cushioned pad and at least one reflector. The base plate has a bottom surface, a top surface and a breakable segment. The bottom surface has multiple fastening recesses, at least ... | 07/22/2008 |
| 7377718 | Retractable delineator post An automatic retractable delineator with a housing containing a reciprocating delineator post that reciprocates through an opening in the top surface of the housing. A raising and lowering mechanism is disposed inside the housing and is mechanically coupled to the p... | 05/27/2008 |
| 7371030 | Flexible road surfaces A construct from which a flexing road surface may be produced. A flexing road surface provided in accordance with the invention enables a vehicle to pass over the road surface relatively smoothly, while simultaneously imparting a reciprocating motion to the road sur... | 05/13/2008 |
| 7367746 | Lifting pole apparatus for traffic control There is provided a lifting pole apparatus which can lift and lower a pole having such strength as to be capable of preventing cars from entering. The lifting pole apparatus comprises a cylindrical pole which is capable of lifting and lowering inside a housing case;... | 05/06/2008 |
| 7331734 | Vehicle access control bollard A vehicle access control bollard for path entryways and restricted drives which allows access for approved vehicles through the use of a self-contained interior lowering mechanism. The three-piece bollard comprises a lower section which is concreted below grade, an ... | 02/19/2008 |
| 7264417 | Vehicle barrier system, and related method A vehicle barrier system is provided, which features a security barricade, a hydraulic actuator for moving the barricade between open and closed positions, a pump, a DC motor for operating the pump, and a controller. In a first embodiment, the system features a rech... | 09/04/2007 |
| 7249926 | Driveway truck restraint A driveway truck restraint blocks the path of travel of an ICC bar at the back of a truck on a driveway at a loading dock to prevent forward travel of the truck away from the loading dock. The restraint is removably anchored to the driveway in non-cast-in relation w... | 07/31/2007 |
| 7214000 | On-grade barrier and method of its use An unobtrusive on-grade barrier. One embodiment comprises a concrete-lined trench over which a biased hinged plate is affixed to an end wall of the trench. The biased hinge holds the free end of the plate against a tab affixed to the other end wall, assuring the pla... | 05/08/2007 |
| 7195420 | Bollard and accessories for use therewith A bollard having a plurality of parallel, vertical legs spaced apart from each other on the perimeter of a regular geometric shape. The minimum number and/or cross-section of the legs is governed by the need to avoid creating an entrapment area between adjacent legs... | 03/27/2007 |
| 7195422 | Recessed delineator post base A recessed delinator base for disposition in grooves in a highway or traffic support surface has a body member with leg portions attached to the body and extending outwardly therefrom. The body has a circular notch formed therein to accept a traffic delineator knuck... | 03/27/2007 |
| 7179406 | Method and apparatus for making reflective pavement marker An apparatus and a method are provided for fabricating a one-piece, polymeric raised reflective pavement marker. The apparatus includes a polished cavity segment which have an inclined angular disposition with respect to the mold base horizontal and vertical ... | 02/20/2007 |
| 7150579 | Post mounting arrangement A post mounting arrangement for ground installation of a post comprising a tubular body portion (6) which is adapted to be installed into the ground and has an open end adapted to receive a post (2) to be supported. The open end of the tubular body por... | 12/19/2006 |
| 7148581 | Rail based electric power generation system An electrical power generation system comprises a variable capacitor and a power source. The electrical power generation system is configured to generate electric power via movements of the rail. The power source is used in the form of a generator to prime the varia... | 12/12/2006 |
| 7137754 | Road marking system A road-marking system has at least a first lighting module (4) provided in a road surface (1). The lighting module (4) is provided with a plurality of light emitting surfaces (14, 14′, . . . ). The lighting module (4) has connect... | 11/21/2006 |
| 7114873 | Adaptive security and protective barriers and traffic control speed bumps A method for at least slowing a vehicle moving along a surface is provided. The method including; providing one or more panels capable of extending above the surface; and deploying the one or more panels from the surface into a position extended from the surface. | 10/03/2006 |
| 7077599 | Flexible traffic control marker A roadway marker has a pair of ramps, each inclining upward from a base toward the other. A slot is located between the ramps. On end of the slot is closed, while the other end of the slot has a pair of tabs that partially close the slot, leaving a gap between them.... | 07/18/2006 |
| 7070031 | Apparatus for exerting a resisting force An improved crash attenuator that uses a cable and shock arresting cylinder arrangement to control the rate at which a vehicle impacting the crash attenuator is decelerated to a safe stop is disclosed. The crash attenuator is comprised of a front section and a plura... | 07/04/2006 |
| 7052201 | Safety bollard A safety bollard, post or stanchion to protect adjacent a vehicular area, each bollard, post or stanchion being so designed to provide a progressively increasing resistance to bending and/or deformation on impact by a vehicle, whereby the force of impact is progress... | 05/30/2006 |
| 7037028 | Security barrier A security barrier includes a horizontal composite beam extending across a roadway is mounted between vertical posts at either end of the beam. Hydraulic cylinders fastened at each beam end and to the vertical posts cause the beam to be raised and lowered, as needed... | 05/02/2006 |
| 7025527 | Highway marker A highway marker for implantation in a highway or roadway where a top surface of the marker is just above the roadway surface and is centered in a stripe that separates the lane or roadway from the lane or roadway shoulder. The highway marker includes an outer sleev... | 04/11/2006 |
| 7011470 | Retractable speed bump A retractable speed bump helps control the speed of a vehicle traveling through a special speed zone such as a school zone or a road construction site. A housing is either buried in the roadway or is placed into a ramp that seats on top of the roadway, the housing h... | 03/14/2006 |
| 7004193 | Valve arrangement and traffic calming device incorporating such an arrangement A reactive speed hump (2) includes a fluid flow control valve assembly (4). A first valve (18, 20, 21) is naturally open and a second valve (10, 14, 15, 16, 17), naturally closed. Application of fluid pressure on the control valve assembl... | 02/28/2006 |
| 6969213 | Roadway for decelerating and/or accelerating a vehicle including an aircraft A roadway upon which a vehicle travels is provided in which the vehicle is decelerated. The roadway includes: a movable surface extending in a direction of the vehicle's travel; and a potential energy storage mechanism operatively connected to the movable surface fo... | 11/29/2005 |
| 6955496 | Road marker A reflective road marker (10, 48) to be mounted on a road surface to indicate the position of traffic control lines on that surface. The road marker has a base (14, 62) which can be secured to the road surface by adhesive. An resilient support (20, ... | 10/18/2005 |
| 6955495 | Retractable delimiters for runways, roads and the like A delimiter that can be arranged along the sides of a runway. The delimiter can be locked in an upright position for most normal operations. When the runway must be cleared of snow, an operator can lower the delimiters in place, either manually or by motor. After th... | 10/18/2005 |
| 6947191 | Angle-adjusting apparatus for a reflection mirror in a rear-projection TV An adjustment apparatus of a reflection mirror is disclosed, the apparatus comprising a holding base plate, an affixing block affixed on the holding base plate, at least one adjusting set, and a rotatable chassis affixed onto the affixing block, wherein the reflecti... | 09/20/2005 |
| 6926462 | Retractable road barrier A safety barrier for road use comprises a barrier element which can be displaced between an operative position, above the road surface, and an inoperative position, in which it does not substantially project above the road surface. Preferably provided is a number of... | 08/09/2005 |
| 6877929 | Speed hump device A speed hump device for discouraging vehicles form exceeding a designed threshold speed is disclosed. The speed hump device mainly comprises: a housing device, whose figure is like a box, having a housing room therein and a opening thereon; a hump device with a hump... | 04/12/2005 |
| 6841223 | Composite pavement markings Composite pavement markings with improved wear resistance and other advantages are disclosed. The composite pavement markings typically include a unitary retroreflective article attached to a base pavement marking. With the composite construction, different portions... | 01/11/2005 |
| 6805515 | Assembly with a removable bollard A removable traffic control bollard has a post and a base for removably receiving the post. The post has a depending cylindrical part that fits into the tube of the base, held by rider elements that fit inside an upper post member of hollow tubing. The base has a fa... | 10/19/2004 |
| 6485226 | Flexible plastic curb A method of employing a safe and effective flexible plastic curb and gutter. The method of installing a curb along the side of a road having a lower layer prior to laying a top layer of asphalt on the road comprises providing elongated curb strips each ha... | 11/26/2002 |
| 6478506 | Roadway pavement marker A roadway pavement marker includes a base that supports a flexible membrane. The membrane supports an anchor plate, and the anchor plate in turn supports a reflector housing. The reflector housing is releasably secured to the anchor plate by one or more m... | 11/12/2002 |
| 6398399 | Fiber optic roadway guidance apparatus and system Currently, vehicle and pedestrian traffic on roadways is guided by lines painted on the asphalt or concrete, which are difficult to see at night or in rainy weather. The present invention provides an illuminated fiber optic guide path embedded in the surf... | 06/04/2002 |
| 6149340 | Self-righting street sign Apparatus is provided for self-righting a signpost after it has been tipped over comprising a plate for connecting to the signpost and a complementary tray secured to the ground. Most of the apparatus is located below ground out of harm's way. The tray ha... | 11/21/2000 |
| 6062766 | Raised pavement marker A raised pavement marker includes a reflector assembly that is resiliently supported by a membrane, that in turn is supported by a frame. The reflector assembly includes a skirt that overlaps the membrane, thereby allowing large-area reflectors and low-an... | 05/16/2000 |
| 6050742 | Pavement marker A raised pavement marker includes a rigid reflector assembly that supports two retroreflectors. The reflector assembly is resiliently mounted over a base by a resilient membrane, which is secured to the base at its outer edge. When a vehicle contacts the ... | 04/18/2000 |
| 6010277 | Road speed limiting device A variable speed bump apparatus comprising a pivoting ramp element hinged at one end, at least one piston and cylinder assembly supporting the pivoting ramp element and a first flow control valve and wherein the first flow control valve is operative to co... | 01/04/2000 |
| 5957617 | Highway marker A reflective pavement marker includes a hollow, hermetically sealed base having a flexible top wall defining at least one downward recess. The base is installed in an opening in a roadway, with the top wall flush with the surface. In each recess there is ... | 09/28/1999 |