Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5354143 | Pavement markers and method for making A pavement marker structure and method for making same is provided wherein a pre-molded base block is clad with an in situ molded cap structure. One or two retro-reflective flattened reflectors are preferably mounted as insets between the base block and t... | 10/11/1994 |
| 5342140 | Flasher light mounting assembly for traffic barricades A mounting assembly includes a bracket, flasher light unit, and barricade. The bracket has a slot for attachment to the barricade and a round aperture for attachment to the flasher light unit. When attached to the barricade, the bracket and flasher may be... | 08/30/1994 |
| 5338129 | Traffic delineation foam system and method A method and apparatus for applying colored foam markers to road surfaces as a means of temporarily changing or outlining traffic patterns. In the preferred embodiment, dissoluble foam markers would be periodically deposited upon the road behind a work cr... | 08/16/1994 |
| 5328292 | Traffic barrier chain The traffic barrier was designed to give law-enforcement officers an effective traffic barrier which can be easily carried in the trunk of a car and quickly deployed across a roadway and just as quickly, removed from the roadway as the situation warrants.... | 07/12/1994 |
| 5328293 | Tactile tile A tactile tile having a flat plate with a plurality of raised areas, said plate and raised areas comprised of polyurethane.... | 07/12/1994 |
| 5320446 | Wild animal highway warning reflector This invention describes the design and method of installation of wild animal highway warning reflectors. The reflector consists of a transparent plate having a flat light entrance surface and a backside reflection surface from which the reflected light i... | 06/14/1994 |
| 5320790 | Method for producing a durable tactile warning surface A patterned tool and method for producing a durable tactile warning surface for sidewalks and other walkways including pouring a concrete base, applying pigmented or colored hardener to the upper surface of the concrete base, stamping the upper surface of... | 06/14/1994 |
| 5288163 | Airport pavement marking system for surface movement guidance A surface movement guidance system for airport traffic of a continuous elongated row of one or more indicia extending lengthwise along a route on the airport surface to be traversed by the traffic, which indicia convey information about position on the ai... | 02/22/1994 |
| 5277516 | Wild animal highway warning reflector This invention describes the design and method of installation of wild animal highway warning reflectors. The reflector consists of a transparent plate having a flat light entrance surface and a backside reflection surface from which the reflected light i... | 01/11/1994 |
| 5271690 | Method and apparatus for forming walkways having detectable warning surfaces The present invention provides a method for forming a concrete surface having visual and tactile warning means for pedestrian traffic as well as for the users of wheeled conveyances produced by pouring a prepared concrete mixture into a concrete receiving... | 12/21/1993 |
| 5265556 | Advance warning traffic safety device The present invention provides an advance warning traffic safety device for warning pedestrians, members of a road work crew, and other persons adjacent a road that a vehicle has strayed from the proper traffic path on the road and may endanger such perso... | 11/30/1993 |
| 5257874 | Pole device for skiing contest A pole device for a skiing contest comprises a cylindrical member to be embedded in a snow ground, a pole base member to be fitted into the cylindrical member and a pole portion fitted into the pole base member. The pole base member is formed with grooves... | 11/02/1993 |
| 5253951 | Drive system and method for transferring barrier systems A mobile transfer and transport vehicle is adapted to move a barrier system, having a plurality of pivotally interconnected and closely spaced modules, on a roadway or the like. The vehicle includes a conveyor having series of guide and support rollers fo... | 10/19/1993 |
| 5245787 | Cable gate apparatus A cable gate is arranged to include a plurality of spaced housings, with the first housing including a lift arm, the lift arm providing guidance for a gate cable directed therethrough, with the gate cable including a second distal end mounted to the secon... | 09/21/1993 |
| 5234280 | Traffic channeling devices Traffic channeling device includes a deformable plastic drum and a rubber collar insertable over the drum to act as ballast for the drum. The rubber collar comprises a bead portion and an integral side wall portion of a recycled truck tire. When the rubbe... | 08/10/1993 |
| 5224791 | Glare screen A light and vision blocking device structured of a hollow, tubular member having an attached flange for securing the device to a highway median barrier is disclosed. The device is a semi-flexible plastic device suited for impact absorption.... | 07/06/1993 |
| 5213464 | Method and apparatus for dispensing and retrieving highway warning markers A highway marker manipulating apparatus comprising a pair of gripper wheels spaced apart to engage and apply pressure onto the side edges of the base flange of a highway marker. The wheels are spaced apart by a loading magazine between the wheels and dire... | 05/25/1993 |
| 5199813 | Weights for road markers Weights for road markers and signs having a laminate structure of a plurality of side walls of discarded vehicle tires assembled and fastened in a stacked configuration and slidable over the road markers and sign frames. The weight of the laminate structu... | 04/06/1993 |
| 5190394 | Adjustable glarefoil assembly An adjustable glarefoil assembly is provided for mounting to a median barrier which divides opposing lanes of a highway and operates to reduce the glare of headlights from oncoming vehicles. The glarefoil assembly includes a plurality of glarefoil blades ... | 03/02/1993 |
| 5181695 | Anti-glare shield system for highway median barriers A series of horizontally spaced vertical blades each has a uniform thickness and opposite vertical edge portions projecting in opposite directions, and a lower end portion of each blade is locked within a slot of a corresponding cylindrical base member by... | 01/26/1993 |
| 5158393 | Industrial and roadway identification and floor surface treatment system, and diamond surface drill bit for use in installing the system Disclosed are methods for applying durable markings to wearing surfaces, such as concrete factory floors, roadways, terrazzo or ceramic tile floors, or for imparting particular floor surface qualities, such as providing a non-skid surface. A diamond surfa... | 10/27/1992 |
| 5156486 | Traffic control marker and method of making the same A traffic control marker and marker base is described taking the form of a dome-shaped resilient body member whose ends lie in a flat plane and whose sides are outwardly flared. The marker can be formed by cutting a used pneumatic tire into arcuate segmen... | 10/20/1992 |
| 5154533 | Method for routing traffic on divided highways A method for routing traffic along a divided highway having a plurality of crossovers between respective sides originally intended for travel in first and second directions which includes providing a first plurality of signs for traffic going in the first... | 10/13/1992 |
| 5149224 | Interlocking highway structure A interlocking highway barrier structure and system are described in which rigid upright barrier sections are disposed end to end in interlocking relationship with one another. Each of the sections of the system can have a grooved end to accommodate and e... | 09/22/1992 |
| 5130848 | Passive railroad crossing warning system A passive railroad crossing warning device has two input optical windows that receive light from the headlight of an oncoming locomotive. The light is redirected to an output optical window where a combiner causes it to exit at a predetermined angle to ma... | 07/14/1992 |
| 5128203 | Marking comprising glass beads in a matrix A marking kit whose constituents are capable of forming a marking material includes a polymeric matrix-forming material and coated glass beads for incorporation into the matrix. Surface coated glass beads suitable for incorporation into the matrix are als... | 07/07/1992 |
| 5078538 | Base for roadway marker and method for making same A pavement marker base is provided having a generally planar bottom support surface with an array of downwardly facing open chambers molded therein. Deformations are formed on the bottom surfaces of at least some of the walls dividing the chambers, and al... | 01/07/1992 |
| 5067849 | Marking nail having body suitable for magazine feeding and mechanical installation A road-marking nail includes a body having a substantially hemispherical shape and a vertical axis. The body is formed to have holes, notches, or projections to facilitate magazine feeding, and grooves, holes, or undercuts to facilitate mechanical graspin... | 11/26/1991 |
| 5061114 | Reflective pavement marker and method of apparatus for making same A reflective pavement marker of the type having a shell-like housing of synthetic resin or other moldable material with a reflective end wall of light transmitting material with a filler of epoxy or other potting material. The reflective end wall is forme... | 10/29/1991 |
| 5059060 | Traffic control system A traffic control apparatus for use in combination with a roadway having a paved surface, comprising an elongated housing structure disposed beneath said roadway; the major axis of said housing being perpendicular to the direction of traffic on said roadw... | 10/22/1991 |
| 5054954 | Roadway barrier An elongated roadway barrier deformable under impact to redirect a vehicle striking the barrier. The barrier includes a plurality of panels arranged in parallel, spaced rows to define a filler cavity. A filler material is disposed in the cavity to support... | 10/08/1991 |
| 5035531 | Utility cut patch identification tag A utility cut patch identification tag comprises a plate of durable material having at least two barbed legs extending from it slower surface, and a labeling indicia on its upper surface. The tag is preferably circular with a diameter of from about one to... | 07/30/1991 |
| 5033905 | Movable barrier This invention relates to a road barrier, particularly to a road barrier for separating traffic lanes on a bridge. In the preferred embodiment, the barrier is made up of beams formed from steel three-beam guardrail sections. Steel tubes or flanges are wel... | 07/23/1991 |
| 5015119 | Vision blocking barrier A modular barrier for attachment to a barricade along a road side for substantially blocking vision toward construction zones or other areas of distracting activity. The barrier includes an elongated base plate with attached support posts which include mo... | 05/14/1991 |
| 5013180 | Raised pavement marking device A raised pavement marking device for use in pavement roadways includes a conical body, a plurality of supporting legs, a cavity, a nozzle member, a plurality of apertures, and a reflector, whereby the device can effectively melt and dry snow ice and/or mo... | 05/07/1991 |
| 5011326 | Narrow stationary impact attenuation system A narrow stationary impact attenuation system (10) for reducing the severity of vehicular collisions occasioned by an errant vehicle striking an immovable object at narrow hazard sites. The subject narrow stationary impact attenuation system (10) includes... | 04/30/1991 |
| 5009542 | Traffic barrier gate A traffic barrier gate for controlling the flow of vehicles through a barrier, such as a concrete median wall between opposing traffic lanes of a controlled access highway. In one embodiment the gate comprises hinged sidewall panels connected to a support... | 04/23/1991 |
| 5007763 | Traffic barriers with built-in carriers A traffic barrier section with a centrally-located, built-in carrier is disclosed. The carrier includes a fluid-operated ram which is connected to an axle carrying wheels located below the ram. Then the wheels are in a retracted position, the barrier sect... | 04/16/1991 |
| 5006010 | Roadway with uni-directional light reflective lane marker A plurality of uni-directional light reflective lane markers are adapted for securance on a roadway to separate and delineate laterally adjacent traffic lanes from each other. Each lane marker comprises an elongated delineating strip extending longitudina... | 04/09/1991 |
| 4986694 | Marker for concrete barriers A marker for concrete safety barriers incorporates a hollow, cylindrical body which is bifurcated from one end to define spaced-apart diverging legs, and an end wall on the other end. Inner walls close the legs and allow them to define pockets which can r... | 01/22/1991 |
