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| Number | Title | Issue Date |
| 8096728 | Connector and rig mat employing same A connector apparatus includes first and second spaced apart generally coplanar walls and a support between the first and second walls. The first wall includes a first guiding surface and a first stopping surface extending at a first angle to the first guiding surfa... | 01/17/2012 |
| 7988382 | Artificial flagstone for providing a surface with a natural random look An artificial flagstone for use in combination with other similar flagstones for covering a surface with a natural random look, the flagstone having a generally hexagonal body comprising a first, second, third, fourth, fifth and sixth consecutive vertices; a first p... | 08/02/2011 |
| 7637688 | Irregular, tessellated building units An irregular, tessellated building unit comprises x primary elements, wherein x is an integer equal to or greater than 1. The primary element is a rotational tessellation having a plural pairs of sides extending in a generally radial direction from plural vertices, ... | 12/29/2009 |
| 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 |
| 7413374 | Overlapping secured mat system A portable overlapping secured mat system with uniformly sized plastic mats joined together to form structural support surface for use by persons or equipment. The mats' edges have recessed upper and lower lips with finger projections extending from the upper lips s... | 08/19/2008 |
| 7393155 | Irregular tessellated building units An irregular, tessellated building unit comprises x primary elements, wherein x is an integer equal to or greater than 1. The primary element is a rotational tessellation having a plural pairs of sides extending in a generally radial direction from plural vertices, ... | 07/01/2008 |
| 7367167 | Block A block according to the present invention is a block comprising a base body part, a first protruding part, and a second protruding part, which are integrally formed with each other. The base body part has a left lower side face, a right lower side face, a left uppe... | 05/06/2008 |
| 7364383 | Roll-up surface, system and method The present invention provides a ground flooring device, system and method which includes connectable slats or panels having connection means which allow a series of slats to be quickly assembled, rolled up for storage or transport, and unrolled for deployment. The ... | 04/29/2008 |
| 7331147 | Hexagonal paving panel A hexagonal paving panel, the sides of which are alternately provided with upper and lower connecting elements in the form of tab or overlap elements (102, 103) and fixing pins. The panel (100) is provided with a central aperture (109) and with ... | 02/19/2008 |
| 7329068 | Grid locked stiffened panels with interlocking features Panel for aircraft landing strip. ... | 02/12/2008 |
| 7326000 | Block for embankment The present invention relates to an embankment block. There are provided a base frame 30 having a center with a through hole, and a plurality of connection members 32 that are downwardly extended from an outer surface of a rim of the base frame 30 | 02/05/2008 |
| 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 |
| 7290958 | Subsurface drainage system and drain structure therefor A subsurface drainage assembly for directing fluid drainage from a surface is disclosed. The subsurface drainage assembly includes a plurality of drain structure panels linked together in a manner that permits movement of one drain structure panel relative to the ad... | 11/06/2007 |
| 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 |
| 7247408 | Lithium anodes for electrochemical cells Provided is an anode for use in electrochemical cells, wherein the anode active layer has a first layer comprising lithium metal and a multi-layer structure comprising single ion conducting layers and polymer layers in contact with the first layer comprising lithium... | 07/24/2007 |
| 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 |
| 7210876 | Rollable load bearing mat for turf areas A rollable load bearing mat for protecting turf areas from damage caused by weight bearing loads, such as vehicle or pedestrian traffic, configured from a plurality of interconnected mat units having a plurality of spaced apart cell rows comprising a plurality of ge... | 05/01/2007 |
| 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 |
| 7188661 | Process for joining members of a heat transfer assembly and assembly formed thereby A method and assembly that makes use of an adhesive to form a joint structure between two members, such as two heat transfer components. A first member has a slot in a surface thereof, while the second member has an edge received in the slot of the first member. One... | 03/13/2007 |
| 7178297 | Structures incorporating interlocking wall modules Modular structures constructed from interlocking wall modules made of plate steel and assembled with C-channel connectors, including tongue and groove elements used to position adjoining modules adjacent to one another, for example during the construction of a cell ... | 02/20/2007 |
| 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 |
| 7121058 | Building panels Flooring material comprising sheet-shaped floor elements with a mainly square or rectangular shape. The floor elements are provided with edges, a lower side and an upper decorative layer. The floor elements are intended to be joined by means of joining members. The ... | 10/17/2006 |
| 7114298 | Roll-up floor tile system and method A plurality of interlocking tile pieces form a generally flat traffic-carrying surface. The tile are locked together in a manner to form a plurality of non-bendable tile joints. The tile includes a hinge or fold line along a first axis and a hinge or fold line along... | 10/03/2006 |
| 7108448 | Paving stone kit A block pavement comprising (concrete) paving blocks (11, 12) is formed in such a way that individual paving strips (21, 22) adjoining one another are delimited from one another by strip joints (23, 24) designed in a wave-like manner. Each pavin... | 09/19/2006 |
| 7093399 | Floor covering The invention concerns hard panels for floor coverings, which are provided, at least on two opposite edges, with coupling devices made in one piece with the panels wherein similar panels may be coupled together to form a floor covering, wherein these coupling device... | 08/22/2006 |
| 7090430 | Roll-up surface, system and method The present invention provides a ground flooring device, system and method which includes connectable slats or panels having connection means which allow a series of slats to be quickly assembled, rolled up for storage or transport, and unrolled for deployment. The ... | 08/15/2006 |
| 7086205 | System for joining building panels The invention relates to a system for laying and mechanically joining building panels, especially thin, hard, floating floors. Adjacent joint edges (3, 4) of two panels (1, 2) engage each other to provide a first mechanical connection locking the joint... | 08/08/2006 |
| 7066685 | Drainage grate A drainage grate assembly having a drainage grate which is reinforced by a substantially continuous reinforcing member confined within the grate. The load rating for the drainage grate assembly can be adjusted by adding metal strips which can be disposed within and ... | 06/27/2006 |
| 7025530 | Road mats 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 ... | 04/11/2006 |
| 7021012 | Watertight decking The waterproof decking is a series of embodiments of extruded panels for forming a watertight deck assembly. First side, second side, and intermediate panels are provided, each having complementary edges for mating with other corresponding panels. One edge of the fi... | 04/04/2006 |
| 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 |
| 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 |
| 6968663 | Floor covering The invention concerns hard panels for floor coverings, which are provided, at least on two opposite edges, with coupling devices made in one piece with the panels wherein similar panels may be coupled together to form a floor covering, wherein these coupling device... | 11/29/2005 |
| 6966161 | Vertically joined floor elements comprising a combination of different floor elements Vertically joined flooring material comprising floor elements (1) with a mainly triangular, square, rectangular, rhomboidal or polygonal shape, as seen from above. The floor elements (1) are provided with edges (2) which are provided with joinin... | 11/22/2005 |
| 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 |
| 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 |
