Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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 |
| 4196550 | Post A post for traffic signs, electrical or telephone lines, lighting fittings and the like adapted to have minimum resistance when being hit by vehicles and the like, but sufficient stability under normal conditions, having a pipe with a series of intermitte... | 04/08/1980 |
| 4183505 | Guard barrier system A guard barrier system for along the edge of a vehicular roadway or the like consists of substantially solid, resilient, generally cylindrical bumper elements axially mounted on posts for rotation thereon. A plurality of the posts with bumper elements the... | 01/15/1980 |
| 4177749 | Demountable two-component roadway signal assembly A wind resistant collapsible roadway signal assembly adapted for carrying in collapsed configuration in a truck, car, or the like for assembly and positioning along a roadway as a warning sign or the like when and if a vehicular breakdown occurs. The sign... | 12/11/1979 |
| 4171919 | Connection which will disconnect under predetermined force A detachable connection for use in applications where detachment or shear of the connection is desirable or foreseen as a necessity. An improvement in a connection between two structural elements having identical, but oppositely oriented complemental conn... | 10/23/1979 |
| 4161723 | Flagpole particularly for indicating goals in skiing competitions A flagpole, particularly for indicating goals in skiing competitions, comprising an upper flag carrying portion and a lower pointed portion connected by a helical spring. When this flagpole is driven into the ground, it can move elastically laterally when... | 07/17/1979 |
| 4126403 | Post construction A post construction is disclosed wherein an upper post section has its lower portion disposed in overlapped relation with the upper end portion of a lower post section and is connected thereto through a pair of breakaway elements which facilitate breakawa... | 11/21/1978 |
| 4122795 | Elastic street delineator An elastic street delineator or marker is formed by fixing a plurality of rubber strips to a support structure adapted to be anchored in the ground. The rubber sheets comprise tread portions of used automobile tires from which the side walls have been rem... | 10/31/1978 |
| 4123183 | Guidepost for roadways and the like A guidepost for roadways or the like comprising an elongated tubular member formed from a flexible plastic material having a substantially "T"-shaped, cross-sectional configuration throughout the length thereof, the forward or front wall being relatively ... | 10/31/1978 |
| 4111581 | Highway marker A highway marker having a base inserted into a hole formed in highway pavement so that the upper surface of the base is below the surface of the pavement and an integral upstanding flexible tab which projects above the surface of the highway. A light refl... | 09/05/1978 |
| 4106879 | Knockover roadway marker post A knockover roadway marker post has a base fixable to the ground by means of a stake or the like and having a flat upper surface provided with an upwardly tapering prismatic formation with a non-regular polygonal cross-section at its base. An upright post... | 08/15/1978 |
| 4105350 | Safety flexure for articulated channel-shaped roadway posts A safety flexure for articulated channel-type roadway posts wherein a resilient member interconnects the upper and lower portions of the post by means of connecting studs substantially complementary in size and shape with the channel portions thereof.... | 08/08/1978 |
| 4092081 | Roadway/traffic delineator A post designed for sign or guide marker use having sufficient longitudinal rigidity to withstand a force driving it into the ground and sufficient elasticity to permit nondestructive deformation upon impact by a moving object, with subsequent restoration... | 05/30/1978 |
| 4088415 | Glare screen blade A hollow, vertically standing blade having a width substantially greater than its thickness is provided with raised chevron-like configurations on its wider surfaces to deflect light directed thereagainst. A plurality of such blades mounted in spaced rela... | 05/09/1978 |
| 4084914 | Self-erecting highway guide post A self-erecting highway guide post for insertion in the ground is constructed in the form of a resilient plastic channel having a substantially flat center surface flanked on either side by a pair of flat side portions which are joined at an obtuse angle ... | 04/18/1978 |
| 4078867 | Traffic marker post Marker posts, useful for delineating traffic paths, e.g., on highways, airports and parking areas, capable of being impacted and run over by vehicles at sub-zero ambient temperatures, with the post returning to its normal upright position. The posts are e... | 03/14/1978 |
| 4061435 | Roadway delineator A post designed for sign post or guide marker use that will yield on impact and that will resume substantially its original configuration after the impact force has been removed. The post is formed as a single member, but with formed longitudinal shear pl... | 12/06/1977 |
| 4032248 | Articulated highway delineator post An articulated highway delineator post assembly which includes an elongated, vertically extending indicator support post telescopingly engaged with a resilient slotted tubular sleeve. The support post is connected to the sleeve by a pivot pin assembly all... | 06/28/1977 |
| 3987593 | Posts A post for use in, for example, street-lighting, comprising a number of substantially longitudinal stiffening rods of a suitable material, such as steel, fastened to an interior or exterior shell of a suitable material, such as steel. The novel matter of ... | 10/26/1976 |
| 3963362 | Road marker A road with at least one light reflective marker marking a portion or lanes of a highway so that the road portion or lanes are more easily identified particularly at night or when rain or snow is present and which arrangement provides one marker or marker... | 06/15/1976 |
| 3934540 | Barrier A barrier for use as a breakwater or highway safety divider having a reinforced concrete base in which are embedded a plurality of tires extending outwardly of said base and means for joining a plurality of said bases in line.... | 01/27/1976 |
