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| Number | Title | Issue Date |
| 7423552 | “Warning Bump” traffic safety device A Warning Bump traffic safety device comprised of a base which is inserted over traffic cones or barrels and a strip and extensions, generally trapezoidal in cross section, attached to the base which extends into the roadway which causes both an audible and sensory ... | 09/09/2008 |
| 7413373 | Unitary body for reflective pavement marker Improved reflective pavement marker is disclosed having a unitary hollow structural body molded in situ about at least one pre-formed retro-reflective lens plate. The unitary structural body has a base surface partially sealed with a compatible sheet includes exteri... | 08/19/2008 |
| 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 |
| 7370981 | Cube corner retroreflector with limited range Retroreflective articles having cube corner elements are disclosed, with the dihedral angle errors of the cube corner elements selected to limit the visibility range of the retroreflective article. Also disclosed are methods for making the cube corner elements and t... | 05/13/2008 |
| 7347643 | Road stud Provided herein is a road stud used to recognize the central line or lanes of a road. The road stud is configured in the form of a screw to be securely fixed to and buried in a road. The road stud includes a self generator to light up an illuminating element all the... | 03/25/2008 |
| 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 |
| 7153056 | Road marker with reverse cups An improved road marker with a one piece shell and recesses containing elongated members with an undercut relief is provided. The road marker contains a retroreflective lens and a bottom surface with a plurality of the recesses protruding into the shell. The cross s... | 12/26/2006 |
| 7140803 | Passive traffic lane marking for on-board detection of lane boundary A system and process for detecting a traffic lane boundary before it is potentially violated by a moving vehicle traveling in the lane. Passive RF tags or labels are embedded in a paint stripe running along pavement. A sensor in the vehicle emits an RF signal at a f... | 11/28/2006 |
| 7113098 | Animal accident reduction systems, methods, and apparatuses An animal accident reduction system, method, and apparatus. The apparatus including at least some of a housing having substantially the same external size and shape of a raised reflective pavement marker, at least one input detector located within the housing, at le... | 09/26/2006 |
| 7077600 | Multiple sensory road marking tape A roadway marking system, comprising a roadway marking tape and a plurality of spaced reflective roadway markers having a white reflective front surface, a red reflective rear surface and a elevated crest, is applied to an upper surface of a roadway. The roadway mar... | 07/18/2006 |
| 7044679 | Optical illusion speed bump and method of using the same A speed control method and device. A speed bump is optically simulated on a roadway as by painting the roadway to create the appearance of a real speed bump, or an actual speed bump is visually enhanced to appear larger than it actually is. Actual speed bumps can be... | 05/16/2006 |
| 7037033 | Process of manufacturing one-piece reflective pavement marker and method of making A reflective pavement marker is used for delineating roadways, having at least one retro-reflective face, including a plurality of cube-corner reflective elements. The marker may comprise two similar portions agglutinated to each other along a vertical back wall of ... | 05/02/2006 |
| 7025528 | Multi-sided unitary body for reflective pavement marker Improved multi-sided reflective pavement marker is disclosed having an integrally molded hollow structural body and two retro-reflective lens means for attachments. The lens means integrally includes retro-reflective cube corner elements within cell like area... | 04/11/2006 |
| 7018131 | Long life intelligent illuminated road marker Self-contained solar-powered long-life intelligent illuminated road markers are provided comprising a one-piece housing formed of optionally colored plastic capable of transmitting light. Light is reflected by reflective coating or generated internally by LED which ... | 03/28/2006 |
| 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 |
| 7001100 | Monolithically formed one-piece reflective pavement marker A reflective pavement marker having a structural body and at least one retro-reflective face. The pavement marker having angled sides, each having a designated lower impact region, and a slanted finger grip region. The marker further having a base sealing sheet with... | 02/21/2006 |
| 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 |
| 6955497 | Pavement marker A surface-mounted pavement marker is provided for secure attachment to a pavement surface by adhesive. The bottom surface of the pavement marker is divided into sectors, and a parallel array of grooves is formed in each sector. The grooves in each array are angularl... | 10/18/2005 |
| 6887011 | Pavement marker with enhanced daytime signal A pavement marker includes a base and at least one lens with retroreflective areas aligned to reflect headlights back toward a vehicle for producing a nighttime signal. The lens and/or the base are formed from resins that include a fluorescent material. At least a p... | 05/03/2005 |
| 6851888 | Pavement marker A pavement marker has a base having at least one opening formed therein. A groove is formed in the base substantially adjacent the opening. The pavement marker further includes a cover for covering the opening in the base. The cover is formed with at least one energ... | 02/08/2005 |
| 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 |
| 6821051 | One-piece structural body for reflective pavement marker A reflective pavement marker can be fabricated utilizing a typically used housing (shell) reinforced by agglutination of a one-piece, monolithically formed, hollowed structural body. The hollowed structural body is having a sealed, textured base surface and an upper... | 11/23/2004 |
| 6811729 | One piece reflective pavement marker and method of making A process of monolithically forming one-piece reflective pavement marker or delineator, including at least one retro reflective face. The process is based on molding the pavement marker or delineator with means to integrally form cube-corner reflective elements and ... | 11/02/2004 |
| 6776555 | Retro-reflective pavement marker A retro-reflective pavement marker includes a body, a base and a plurality of retro-reflective members. The body has two recesses in two opposite sides for the retro-reflective members to fit therein from inside. Stuffing material is filled in a gap between the body... | 08/17/2004 |
| 6764249 | Temporary pavement marker A temporary road maker is provided with one or more transparent protective covers covering a reflection of the road marker, wherein each protective cover is provided with a separate pull-tab located at a unique location with reference to the pull-tabs of other prote... | 07/20/2004 |
| 6698972 | Process of manufacturing one piece reflective pavement marker and delineator A Method of manufacturing a hollow, one piece, reflective pavement marker, including at least one retro-reflective face. The method includes molding a plurality of cube-corner reflective elements within a plurality of cells, defined by plural load carryin... | 03/02/2004 |
| 6623206 | Portable speed bump A portable speed bump unit having a plurality of speed bump cells removably and pivotally connected together to form a single PSB unit of variable length. Each speed bump cell comprises a plastic base having a rectangular footprint, a raised top surface, ... | 09/23/2003 |
| 6602021 | Pavement marker and method for manufacturing the same A pavement marker includes a solar cell assembly arranged between an upper case defined with a sunlight opening and a lower cover formed with a stem portion. The solar cell assembly has solar cells and light emitting lamps. Reflective plates are respectiv... | 08/05/2003 |
| 6579036 | Reflective pavement marker and method of making A reflective pavement marker comprises an integrally molded one-piece structural body and at least one reflective plate attachment, said structural body having two opposing planar inclined reflective faces, multiple hollow cavities which are defined by pa... | 06/17/2003 |
| 6572305 | Reflective pavement marker A reflective pavement marker includes a shell having a top wall, a side wall extending from an end of the top wall, and reflective end walls extending from an other end of said top wall, wherein the shell forms an interior cavity. The reflective pavement ... | 06/03/2003 |
| 6551014 | Raised pavement marker with improved lens The present disclosure relates to improved raised pavement markers having a totally-internal-reflective lens. The disclosure also relates to methods of manufacturing the raised pavement marker. The raised pavement markers described below include a housing... | 04/22/2003 |
| 6505994 | One piece reflective delineator and method of making Disclosed a method of integrally forming a temporary roadway delineator, a chip seal marker or barrier delineator. This method includes integrally forming multiple cube comer reflective elements on at least one side or both sides of the vertically extendi... | 01/14/2003 |
| 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 |
| 6468678 | Conformable magnetic articles for use with traffic bearing surfaces methods of making same systems including same and methods of use Magnetic, conformable articles for use with traffic bearing surfaces are disclosed which comprise an organic binder having magnetic particles distributed therein. The articles may be employed in intelligent vehicle guidance systems, and in systems to guid... | 10/22/2002 |
| 6461077 | Reflector base A road marker base having locators or protrusions which are frangibly connected to the base. The pair of protrusions extend horizontally from the base in opposite directions and transverse to the direction of travel and include a bottom surface for engagi... | 10/08/2002 |
| 6428238 | Road marker collar A road marker and method of manufacturing a road marker having a base with a large surface area. The base is molded around a potted road reflector to completely seal the bottom and encapsulate the ends of the reflective member. The reflective member has e... | 08/06/2002 |
| 6347906 | Marking element An approximately cuboidal or frustopyramidal, partially hollow marking element has a flat bottom plate and a main body which is stiffened by ribs and which is connected at two mutually opposite sides to preferably reflecting bars. The marking element comp... | 02/19/2002 |
| 6334734 | One piece reflective pavement marker and method of making A reflective pavement marker integrally molded in one piece structure having retroreflective face and structural body. The marker provide a mean to enhance agglutination to the roadway, if needed when bituminous based adhesive is used by maximizing the ba... | 01/01/2002 |
| 6267530 | Reflective pavement marker A reflective pavement marker having integrally molded one-piece structural body with multiple hollow cavities that are open only at the top reflective faces of the marker, two arcuate sides and integrally sealed planar base surface with textures and disco... | 07/31/2001 |
| 6234712 | Reduced impact load snowplowable pavement marker A snowplowable pavement marker includes a frame member having primary spaced keel members with ramp surfaces which have upwardly inclined contours beginning at a forward end portion of each keel member and extending at a first acute angle, then transition... | 05/22/2001 |
