...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8021074 | Capped and/or beveled jet blast resistant vehicle arresting units, bed and methods Aircraft arresting beds at ends of runways may be subject to damaging effects of jet blast phenomena. Arresting units for that and other applications and which are resistant to such effects are described, with related methods. ... | 09/20/2011 |
| 7914228 | Multi-purpose construction module This application relates to a light-weight, multi-purpose construction module. The module may be used, for example, as a mold for settable materials such as concrete. A plurality of modules may be aligned together in different configurations for use as a temporary r... | 03/29/2011 |
| 7819607 | Paving block and molding process therefor A paving block that closely resembles a used mined cobblestone. The blocks are manufactured by a bi-layer concept that is subjected to processes that cause the layers to structurally integrate. The process and composition permit the mass production of blocks having ... | 10/26/2010 |
| 7632036 | Notched paving stone unit and paved assemblies fabricated therewith A paving stone unit and a method for creating paving assemblies therewith, comprising a plurality of regular paving stone units and of notched paving stone units laid one adjacent the other, separated by lines of joint, the notched paving stone units breaking the co... | 12/15/2009 |
| 7484910 | Walkway stones sets; and, methods A cast stone set is provided comprising at least four molded stones each having an irregular perimeter. The stones are configured to fit within a hypothetical defining border as defined. The stones can be used to form a patio stone landscape feature such as a patio ... | 02/03/2009 |
| 7429144 | Paving brick assembly A paving brick assembly includes: a plurality of polygonal main bricks, each of which has a plurality of first lateral sides and a plurality of second lateral sides that are alternately disposed with the first lateral sides, each of the first lateral sides being for... | 09/30/2008 |
| 7427172 | Temporary roadway element A plurality of wood planks are embedded and encased in a one-piece rubber mat to form a monolithic one-piece roadway element. A special coupling means is used to couple one roadway element to an adjacent roadway element to form a roadway surface over which heavy equ... | 09/23/2008 |
| 7404690 | Temporary road element A road element is formed of a one-piece cage that includes two layers of orthogonally arranged rebars which are welded together. The layers are connected by connecting rebars that are welded to the rebars of the layers at the intersections and the one-piece cage is ... | 07/29/2008 |
| 7344334 | Paver system A paver system comprising a plurality of paver pieces and at least one substrate. Each of the paver pieces has a top surface and a bottom surface. The bottom surface of the paver pieces is configured for mating with the upper surface of the substrate, whereby paver ... | 03/18/2008 |
| 7322159 | Floor plank The floor plank is a laminate of two layers of flexible plastic sheet material laminated together in offset relationship to define an offset marginal portion for each of the layers. Each of the offset marginal portions have oppositely facing adhesive coated surfaces... | 01/29/2008 |
| 7316519 | Paving member A paving member (2) comprising a surface (4) for being walked on, an image (6) below the surface (4), and a source of light for illuminating the paving member (2), the paving member (2) being of such a material and construct... | 01/08/2008 |
| 7303800 | Interlocking mat An mat system with each mat having sloping lips which overlap with an adjacent mat's sloping lips and are secured by interlocking joints in the mats' lips and/or by captive locking pins to form an easily assembled and interconnected flat surface. In use, opposing le... | 12/04/2007 |
| 7300224 | Support grid platform for supporting vehicles over ecologically sensitive terrain A grid-type platform especially suited for use supporting vehicle wheels to provide traction while traveling off-road especially through environmentally sensitive topography, and to prevent unnecessary and excessive wear and damage to such off-road paths or trails. ... | 11/27/2007 |
| 7297204 | Water-in-oil bituminous dispersions and methods for producing paving compositions from the same There is provided a method for making bituminous compositions comprising water-in-oil bituminous dispersion and aggregate by the steps of: preparing a solvent-free, water-in-oil bituminous dispersion comprising: (1) bitumen, in an amount from about 75.0% to about 95... | 11/20/2007 |
| 7270497 | Paving element A cluster of paving elements is formed with a peripheral edge having a re-entrant formation formed between the upper supporting surface and the lower, supported surface. The formation engages a complimentary formation on an adjacent cluster to inhibit relative movem... | 09/18/2007 |
| 7261490 | Jet blast resistant vehicle arresting blocks, beds and methods Aircraft arresting beds constructed of cellular concrete at ends of runways may be subject to damaging effects of jet blast phenomena. Arresting units resistant to such effects and related methods are described. A block of compressible material, such as cellular con... | 08/28/2007 |
| 7249912 | Temporary platform or roadway and method of assembling same A temporary platform or roadway is created using one or a plurality of optionally connected support components to form a top surface upon which panels are placed. The support components are comprised of gabion containers having one or a plurality of compartments int... | 07/31/2007 |
| 7249911 | Detectable warning-dots demarkation for pedestrian safety A novel small quasi-hemispherical truncated-dome modular-dot like device, which can be readily affixed to pavement in a Federally-mandated pattern via a special hole/matrix-stencil;—the resulting demarkations thereby serving to alert the Legally-blind (as well as ... | 07/31/2007 |
| 7244076 | Method for installing paving blocks A method of installing paving blocks comprises preparing an area to be paved to a desired grade. A preformed, load-bearing sheet of material, e.g., extruded polystyrene, is placed on the prepared area. Paving blocks are then laid in a desired pattern on the sheet of... | 07/17/2007 |
| 7220078 | Ground covering elements of artificial stone material The invention relates to an artificial stone floor element with a basic shape that corresponds to the combination of a plurality of square basic elements, especially to an angular floor element. The floor element includes projections and recesses along its periphera... | 05/22/2007 |
| 7195436 | Inset panel fastener An inset panel fastener anchors into honeycomb substrates employed in the aircraft industry. The inset panel fastener provides significantly increased load carrying capabilities with a simple inexpensive construction. The inset panel fastener includes a plastic casi... | 03/27/2007 |
| 7162838 | Construction panels A constructional panel has a generally rectangular central section and two opposed end sections, each having an isosceles trapezoid part, its short edge conjoined to an edge of the central section and its long edge conjoined to a rectangular part, there being obliqu... | 01/16/2007 |
| 7160052 | Paving system using arrays of vertically interlocking paving blocks A continuous covered area, such as a sidewalk or patio, is formed by vertically interlocking tessellated components. One embodiment, termed PORTAPAVE™, achieves this interlocking via an array of uniquely configured two-sectioned pavers. Each paver has a first sect... | 01/09/2007 |
| 7160055 | Road mat A road mat having a mat body with a first coupling end and a second coupling end. A first locking mechanism is provided at the first coupling end that includes a male coupling member and a female coupling member. A second locking mechanism is provided at the second ... | 01/09/2007 |
| 7152379 | Two-ply flooring having a cross-grain bottom ply A two-ply flooring plank is disclosed having two layers or “plies” with a bottom layer having a grain that runs generally transverse to a top layer (i.e., “cross-ply”) to provide dimensional stability to the plank. The bottom layer includes a number of strip... | 12/26/2006 |
| 7144201 | Structure and method for supporting headstones and other stonelike objects A structure and method for supporting stonelike objects on soil. The structure comprises a base, at least two sets of a plurality of tabs disposed on the base at respective opposing edges thereof and oriented substantially perpendicular thereto, and a plurality of s... | 12/05/2006 |
| 7131161 | Fiber reinforced polymer composite bridge deck of tubular profile having vertical snap-fit connection A fiber reinforced polymer composite deck module is used to form a deck constructed by assembling the deck modules. The deck module comprising an upper plate having an upper extension at its one side, a lower plate having a lower extension at its one side opposite t... | 11/07/2006 |
| 7100871 | Lightweight structural component made of metallic ply materials A lightweight, laminated structural component, such as a skin section for an aircraft fuselage, is constructed of at least two sheet metal plies that are adhesively bonded to each other. One ply is an uninterrupted ply. The other ply is a lattice with open fields su... | 09/05/2006 |
| 7004674 | Pre-fabricated warped pavement slab, forming and pavement systems, and methods for installing and making same A pre-fabricated warped pavement slab and a forming system for making the slabs. The forming system includes a plurality of forming sections which can be adjusted so as to form a warped-plane pavement slab. Also disclosed are methods for making the pavement slab and... | 02/28/2006 |
| 7000361 | Method of creating a concrete paved area A method of providing a paved area having a predetermined set of surface features. The method begins with the pouring of wet concrete into a predetermined area. Then a predetermined thickness of the wet concrete is removed in a predetermined portion of the predeterm... | 02/21/2006 |
| 7001101 | Interlocking paver/tile Interlocking paver system for the use of constructing sidewalks, pathways and decks being formed from a light weight material for easy handling. Joined together by a plastic spline with gripping teeth, which when placed in spline receiver slots on sides of paver, wh... | 02/21/2006 |
| 6988847 | Paving unit A interlocking paving unit has a top surface (2) and a plurality of side surfaces (4, 5), with at least one of the side surfaces (4, 5) of the paving unit being provided with at least one substantially vertically extending, substantially asymmet... | 01/24/2006 |
| 6971817 | Jet blast resistant vehicle arresting blocks, beds and methods Aircraft arresting beds constructed of cellular concrete at ends of runways may be subject to damaging effects of jet blast phenomena. Arresting units resistant to such effects are described. A block of compressible material, such as cellular concrete, provides comp... | 12/06/2005 |
| 6971818 | Tactile warning surfaces for walkways and method A tactile warning surface structure having underfoot detectability is formed in place by a method wherein the shank portions of a plurality pins are inserted into and bonded to a plurality of holes formed in an upper surface of a concrete slab of a walkway. The hole... | 12/06/2005 |
| 6962462 | Method of forming, installing and a system for attaching a pre-fabricated pavement slab to a subbase and the pre-fabricated pavement slab so formed A pre-fabricated pavement slab having a binder distribution system and an interconnection system formed for attachment of the bottom surface of the slab, wherein both the binder distribution system and the interconnection system are accessible from the top surface o... | 11/08/2005 |
| 6960046 | Permeable and elastic pavement blocks Permeable and elastic pavement blocks comprising waste-polyurethane chips, which use a binder specially developed to secure the binding between an upper polyurethane-chip layer and a lower permeable-concrete layer as well as the binding among the waste-polyurethane ... | 11/01/2005 |
| 6942420 | Ground covering elements of artificial stone material The invention relates to an artificial stone floor element with a basic shape that corresponds to the combination of a plurality of square basic elements, especially to an angular floor element. The floor element includes projections and recesses along its periphera... | 09/13/2005 |
| 6938382 | Stockade A palisade comprises visible or wall surfaces disposed on opposing sides and intermediate end faces. One of the end faces is provided with a projecting convex head, while the other end face comprises a correspondingly formed concave receptacle for the head. When for... | 09/06/2005 |
| 6939077 | Paving block There is disclosed a paving block for use in the construction of a paved surface, which paving block has a top surface, a bottom surface and at least one lateral surface extending between the top and bottom surfaces and abutting in use at least part of a lateral sur... | 09/06/2005 |
| 6899489 | Pre-fabricated warped pavement slab, forming and pavement systems, and methods for installing and making same A pre-fabricated warped pavement slab and a forming system for making the slabs. The forming system includes a plurality of forming sections which can be adjusted so as to form a warped-plane pavement slab. Also disclosed are methods for making the pavement slab and... | 05/31/2005 |