Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 7927037 | Permeable paver and manufacturing method therefor A permeable paver that has water permeability of on average about 1 inch per hour and compressive strength of an average of about 8000 psi, the paver manufactured by forming a mixture comprising blast-furnace slag, sand, gravel and Portland cement into predetermined... | 04/19/2011 |
| 7753618 | Rocks and aggregate, and methods of making and using the same Compositions comprising synthetic rock, e.g., aggregate, and methods of producing and using them are provided. The rock, e.g., aggregate, contains CO2 and/or other components of an industrial waste stream. The CO2 may be in the form of divalent... | 07/13/2010 |
| 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 |
| 7125199 | Elastic permeable pavement comprising waste-polyurethane chips for use on new roads and a paving method using the same An elastic permeable pavement comprising waste-polyurethane chips for use on new roads and a paving method using the same. This pavement uses a binder specially developed to secure the binding between an upper polyurethane chip layer and a lower permeable concrete l... | 10/24/2006 |
| 7097382 | Elastic drainage pavement comprising waste polyurethane chips for use on existing roads and a paving method using the same An elastic drainage pavement comprising waste-polyurethane chips for use on existing roads and a paving method using the same, which uses a binder specially developed to secure the binding between an upper polyurethane-chip layer and a lower existing-pavement layer ... | 08/29/2006 |
| 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 |
| 6910833 | Block with multifaceted bottom surface A block for use in constructing a retaining wall. The block has a bottom with a non-planar portion that forms a gap between the block and the top surface of a lower course of similar blocks when the block is placed thereon. This gap allows the block to rest on the l... | 06/28/2005 |
| 6818275 | Composite tile for flooring A composite floor tile is disclosed which can be installed without bonding it to a floor foundation or an existing floor. This composite tile comprises a base member of a metal material which is bonded on its top to a slab of a stone material and is bonded on its bo... | 11/16/2004 |
| 6776556 | Paving stone system A paving stone system for producing aesthetically pleasing paving stones. The paving stone system includes positioning a tile member within a container, applying a bonding agent to the tile member and filling the container with concrete. The tile member is comprised... | 08/17/2004 |
| 6758629 | Rigid runways made of postensed celled concrete for airports and highways A postensed celled concrete runway for take off and landing of aircraft is described, also for racetracks, freeways and highways, characterized by a celled structure wherein each cell contains: nervures, a cell base and a cell cover that forms the surface of runway.... | 07/06/2004 |
| 6702514 | Paving material for footways and method of producing the same A paving material for footways, possessing high strength and lightweight property. The paving material for footways, comprising an upper layer and a lower layer, wherein the upper layer is made of rubber chips (A1) and a synthetic resin (A2) for binding t... | 03/09/2004 |
| 6695527 | Interlocking mat system for construction of load supporting surfaces A reusable mat system for the construction of load bearing surfaces, such as temporary roadways and equipment support surfaces, over unstable or unsubstantial terrain, comprising durable, interlocking individual mats which can be quickly and easily instal... | 02/24/2004 |
| 6685387 | 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, pr... | 02/03/2004 |
| 6511257 | Interlocking mat system for construction of load supporting surfaces A reusable mat system for the construction of load bearing surfaces, such as temporary roadways and equipment support surfaces, over unstable or unsubstantial terrain, comprising durable, interlocking individual mats which can be quickly and easily instal... | 01/28/2003 |
| 6511258 | Method for controlling the amount of ionized gases and/or particles over roads, streets, open spaces or the like There is described a method for controlling the amount of ionized gases and/or particles suspended in the air above roads, streets, open spaces or the like. This is done by establishing an electrical field between the top layer of a road, street, open spa... | 01/28/2003 |
| 6206607 | Environmental porous pavement construction, and method for manufacturing pavement construction A porous pavement construction formed from environmental porous pavement materials is formed with a number of aqueduct channels located underneath the pavement surface, so that water can percolate downward into the pavement and enter the channels. Methods... | 03/27/2001 |
| 6079900 | Pavement composite material with elastic surface layer and production method thereof A pavement composite material having elasticity and permeability can be obtained by accommodating a permeable concrete block after the solidification molding applied with an adhesive having a 50 to 100 centipoise viscosity on the surface to be bonded in a... | 06/27/2000 |
| 6061980 | Cushioning pad A cushioning pad or mat for protecting a rig surface or alternatively, an article placed on the pad wherein the mat is made of elements which are laminated construction with a base layer of neoprene, or similar materials, and the elements are connected wi... | 05/16/2000 |
| 5964549 | Structural beam for crack repair An apparatus for repairing a crack in a bituminous road surface utilizes a beam embedded in the road surface. A slot is cut in the road with the crack centered therein. A fiber reinforced plastic composite beam has a plurality of fingers extending from on... | 10/12/1999 |
| 5816738 | Composite synthetic material tile and suitable laying system and laying plate therefor Floor coverings of composite tiles having a polygonal ground plan and having elastic properties. A recess which is formed of a hollow space in the composite tiles can include a cylindrical support molded on the underside of the tiles. The walls of each co... | 10/06/1998 |
| 5775835 | Embedment tiles for pedestrian platforms and walkways The present invention provides a textured tile for embedment in fresh concrete on a platform or walking surface comprising a generally planer element with an upper surface and a lower surface, said upper surface having a plurality of upper projections the... | 07/07/1998 |
| 5772358 | Foothold A foothold of a manhole, a quay, and the like which enables operators to put their feet or foot on a tread in a natural state under a stable condition, and to reduce their fatigue with their feet or knees when they move up and down in a manhole by use of ... | 06/30/1998 |
| 5653551 | Mat system for construction of roadways and support surfaces A reusable mat system for constructing roadways and equipment support surfaces comprising a plurality of uniform individual mats which are constructed of lightweight composite materials and which include strengthening agents. The individual mats partially... | 08/05/1997 |
| 5587218 | Surface covering An improved surface covering includes a base having a plurality of receiving grooves on one side and a plurality of working grooves on the other side. Each receiving groove includes gripping projections and is constructed to receive and grip a filler mate... | 12/24/1996 |
| 5511899 | Light duty roadway surface from recycled waste asphalt roofing shingle materials A roadway surface for private driveways, rural roads and farm lanes or other light traffic surfaces is made from recycled asphalt roofing shingles in pieces, preferably elongated strips, that overlie one another to form a cushioning mat. The roadway surfa... | 04/30/1996 |
| 5487620 | Draining pavement element, method for manufacturing it and pavement made with it Pavement element such as a tile with an upper porous layer (2), below that a liquid-tight layer (3) and possibly there below a heavy layer (4). In order to keep a floor laid with suchlike elements well liquid-tight at the level of the liquid-tight layers ... | 01/30/1996 |
| 5281048 | Plate-shaped concrete block and process and device for the manufacture of the same In the case of earth coverings made from concrete paving slabs, the noise generated by rolling traffic is disadvantageous. In order to reduce the generation of noise, plate-shaped concrete blocks exhibiting a significantly larger format than traditional p... | 01/25/1994 |
| 5281459 | Safety tile, as well as cover plate to be used therewith The invention relates to a safety tile, including a tile body of rigid material, such as concrete, and a cover plate provided with an enclosing edge and being of an elastically flexible material, such as rubber. The cover plate has ribs integrally formed ... | 01/25/1994 |
| 5281047 | Masonry landscaping modules and methods of landscaping Masonry landscaping modules and methods for landscaping using the modules are disclosed. The masonry modules each have an upper portion comprising a plurality of masonry elements bonded to an upper surface of a lower portion. The masonry elements, prefera... | 01/25/1994 |
| 5244303 | Interlocking paving stone An interlocking paving stone which has in certain embodiments a twelve-sided main section and an eight-sided tail section, and in certain other embodiments, has a twenty-sided main section and a sixteen-sided tail section, which main and tail sections are... | 09/14/1993 |
| 5152633 | Method of reinforcing a paved surface To form a paved surface, a laminate is used which has on the bottom a geotextile fabric with the mesh structure on the top. The fabric is adhered to the road base by spraying or spreading a bituminous liquid onto the base and laying on the laminate and ap... | 10/06/1992 |
| 5085912 | Wear resistant floor covering Wear resistant floor coverings have a plurality of stud-like inserts which are flush with the underside of the floor covering to prevent against wear and slippage.... | 02/04/1992 |
| 5024552 | Method of obtaining a composite sealing structure for permanent roadways A method of obtaining a composite sealing structure for permanent roadways, in which there is applied, between the at least partially concrete base support and the sealed layer or layers, a draining mix having a high content of voids which enable the air ... | 06/18/1991 |
| 4963054 | Frames for constructing pavement boards The present invention is a frame for constructing pavement boards in which plural sections having the bottom are divided, plural holes for draining water are made in the bottom, plural through holes in the directions of top and bottom are formed at the se... | 10/16/1990 |
| 4865486 | Method of assembling a steel grid and concrete deck The present invention is directed to a weldless pavement module and a method for making a weldless pavement module. Each of the primary load bearing bars is formed with openings for receiving slotted secondary load bearing bars which are passed through th... | 09/12/1989 |
| 4684288 | Asphaltic pavement tiles A pavement tile includes a section of reinforcing geotextile fabric coated on a top side with asphalt adhesive and a layer of asphalt aggregate mix or "hot mix" over the adhesive. The asphalt aggregate mix is compacted to a desired thickness and degree of... | 08/04/1987 |
| 4662778 | Drainage mat Drainage mat comprising three-dimensional openwork covered on at least a major surface with a water permeable fabric having a permittivity from 0.2 seconds-1 to 2.0 seconds-1 and exhibiting a dynamic permeability after 106... | 05/05/1987 |
| 4629358 | Prefabricated panels for rapid runway repair and expedient airfield surfacing Low profile portable panels consisting of fiberglass-reinforced plastic cosite mats which include hollow inorganic silica spheres in the plastic resin to reduce weight have recessed molded lips and bushings along all edges for connecting panels together ... | 12/16/1986 |
| 4556213 | Reversible playing or performance area A reversible playing and/or performing area having at least one reversible tray which has separately utilizable opposing plane surfaces. The tray has a bottom and shallow sides. The outer surface of the bottom of the tray provides a first playing surface.... | 12/03/1985 |
