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| Number | Title | Issue Date |
| 8128311 | Grass protection mat and mat assembly having the same A grass protection mat and a mat assembly having the same are provided. The grass protection mat of the invention includes a body made of polygonal portions, pillars protruded upward from the body, buffer wings protruded upward from the body between the pillars for ... | 03/06/2012 |
| 8075221 | Paver assembly A paver assembly includes a substrate member having a bottom wall adapted to support the paver assembly above a roof surface, a plurality of sidewalls extending upwardly from the bottom wall, and at least one engagement member extending above the bottom wall, and an... | 12/13/2011 |
| 8061929 | Rig mat system using panels of composite material A rig mat is formed by rectangular panels fastened end to end by cooperating connectors. In one arrangement the first connector is C-shaped shaped to form a slot and the second T-shaped shaped with a flange of the T wider than the mouth inserted through the mouth. I... | 11/22/2011 |
| 7850393 | Dry-cast concrete block A dry-cast concrete block for use in a structure comprising a plurality of concrete blocks. The dry-cast concrete block comprises three convex sides and three concave sides alternating with the three convex sides. The dry-cast concrete block also comprises a surface... | 12/14/2010 |
| 7527451 | 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. ... | 05/05/2009 |
| 7435034 | Fascines A fascine comprises a plurality of elongate hollow inflatable pipes (10). The pipes (10) can be surmounted by a trackway (11) formed by track sections (28) that are also inflatable. The pipes (10) in the track sections (28) ... | 10/14/2008 |
| 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 |
| 7404689 | Drainage board system A coupling assembly is attached to the upper surface of a board having upper and lower surfaces. The coupling assembly is extendable upwardly for coupling to a covering surface. A plurality of projections on the lower surface of the board are extendable downwardly f... | 07/29/2008 |
| 7370452 | Mat assembly for heavy equipment transit and support A mat assembly particularly suited for heavy equipment transit and support, such as roadway construction and the like. The mat assembly is made up of a number of structural members preferably having a “double I-beam” cross-sectional shape. Each I-beam has spaced... | 05/13/2008 |
| 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 |
| 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 |
| 7341401 | Subsurface drainage system and drain structure therefor A subsurface drainage assembly for directing fluid drainage from a surface. 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 adjacent drain ... | 03/11/2008 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7229232 | Reinforced mat for unstable surfaces Terrain often hinders wheeled vehicles as cars mire in sand and wheeled carts in mud. Beaches, sandy playgrounds, and mud inhibit travel of wheelchairs. A reinforced mat upon a lattice of projections provides a stable surface for wheels and wheelchairs. The projecti... | 06/12/2007 |
| 7211314 | Mat An improved mat is disclosed. Long and short legs support the mat and cause it to feel resilient although it is fabricated from hard rubber. The mat has drain holes on vertical surfaces. Ribs prevent the mat from embedding within grating. Grit is selectively placed ... | 05/01/2007 |
| 7211310 | Thermoplastic planks and methods for making the same A thermoplastic laminate plank is described wherein the thermoplastic laminate plank comprises a core, a print layer, and optionally an overlay. The core comprises at least one thermoplastic material and has a top surface and bottom surface wherein a print layer is ... | 05/01/2007 |
| 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 |
| 7210211 | Three ply bolted temporary road mats and apparatus for manufacturing same An apparatus for making temporary road mats characterized by multiple layers of mutually perpendicular elongated timbers having an array of vertical intersections aligned in lateral rows. The apparatus includes a gang drill that moves relative to a roughly assembled... | 05/01/2007 |
| 7201538 | 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... | 04/10/2007 |
| 7182040 | Personnel guidance and location control system A personnel location control system for controlling and guiding a group of individuals in a selected path to a waiting point and then to an activity in advance of that waiting point. The system in one embodiment relies upon a plurality of disks or like guide path-fo... | 02/27/2007 |
| 7169460 | Thermoplastic planks and methods for making the same A thermoplastic laminate plank is described wherein the thermoplastic laminate plank comprises a core, a print layer, and optionally an overlay. The core comprises at least one thermoplastic material and has a top surface and bottom surface wherein a print layer is ... | 01/30/2007 |
| 7163351 | Tire cleaning apparatus The tire cleaning apparatus provides a vibration-inducing surface for a vehicle passing over the tire cleaning apparatus in order to remove dirt and debris from the tires of the vehicle. The tire cleaning apparatus includes at least one tire-cleaning frame, which is... | 01/16/2007 |
| 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 |
| 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 |
| 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 |
| 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 |
| 7048469 | Flexible grid and predominantly concrete mat employing same A flexible, molded, polymeric grid is embedded in a predominantly concrete mat comprising a concrete slab having relatively thicker portions defining blocks connected by relatively thinner portions, along which the concrete slab is breakable. The flexible grid has t... | 05/23/2006 |
| 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 |
| 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 |
| 6962464 | Method for constructing a water resource recycling system An environmental water resource recycling system of the invention comprises pluralities of drainpipes units, which includes pluralities of drainpipes engaged in pluralities of holder holes formed by coupled frame strips, and sealing lids covering the opening at one ... | 11/08/2005 |
| 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 |
| 6874972 | Temporary road bed An apparatus for constructing a temporary road bed include a mat formed from a plurality of planks having a longitudinal dimension and spaced-apart a uniform distance by a spacer. A flexible cable extends through apertures in the planks and spacers for coupling the ... | 04/05/2005 |
| 6696122 | Temporary surface covering A temporary surface covering with a woven structure formed of warp threads and weft threads and whose weave is such that each warp thread intersects or intertwines with the following weft threads, and a second auxiliary woven structure being superposed ha... | 02/24/2004 |
