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Document Title |
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7585555 |
Synthetic-grass flooring and method for laying same
A flooring, for example for pitches for soccer, five-a-side football, American football, rugby, etc. which includes a polyolefin-based impermeable layer and an elastic mattress laid on top of the...
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7287932 |
Ballasting system for on-site sewage treatment and disposal system
A ballasting system for an on-site sewage treatment and disposal system for areas having a ground water level above a minimum depth below grade. A perimeter barrier is arranged around a selected...
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7144609 |
Artificial turf system
An artificial turf system which includes a support layer, a base layer, and an outer layer. The support layer comprises an area of selected size and composition. The base layer comprises at least...
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7132467 |
Stabilization of polyolefins in permanent contact with chlorinated water
Polyolefin mouldings that have excellent stability on permanent contact with chlorinated water comprise, as stabilizer, at least a compound selected from the group consisting of i) an epoxidized...
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7008137 |
Cover for a drainage arrangement and a method of producing such an arrangement
The invention relates to a cover ( 1 ) for a drainage channel ( 2 ) to be installed in the ground to drain the surface of an area. The cover ( 1 ) comprises a substantially planar portion ( 3 )...
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6988852 |
Drainage element for walls and septic tank systems
A drainage element is constructed of loose fill elements within a casing having a first part-circumferential portion of mesh construction and a second part-circumferential portion having a porosity...
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6877932 |
Drainage system and method for artificial grass using spacing grid
A drainage system is provided for a synthetic grass turf assembly having a flexible and water permeable sheet backing for installation on a supporting soil substrate to provide a game playing...
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6712552 |
Geosynthetic material irrigation system
The present invention is an economical and easily installed irrigation system for agricultural products covering large areas. The invention comprises top and bottom layers of geosynthetic material...
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6691472 |
Foundation wall protector
A foundation protector for a foundation wall prevents moisture being retained in the foundation wall and also provides drainage for surface water so that water does not rest against the surface of...
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6672016 |
Wall and sub-floor water drain barrier panel for basement water-control systems
A sub-floor, perimeter, L-shaped water drainage panel for new construction basements having walls and supporting footings for receiving and draining water running down the walls and/or water...
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6634144 |
Home waterproofing system
A waterproof system for draining water away from a building located in ground having a surface above which a portion of the building extends. The building has a footer and at least one wall...
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6558080 |
Methods and compact apparatus for covering landfill
An apparatus and method for covering landfill includes a deployer suspended below the bucket of a loader. A roll of film is disposed on the deployer and uncoiled to deploy a film covering on the...
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6539681 |
Spacer plate for a hollow floor and a hollow floor made therewith
A spacer plate for use in making a hollow floor has a plurality of truncated cone-shaped spacer elements extending from one side of the plate, and distributed in a row wise and column wise...
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6467991 |
Process and material for preventing contamination and erosion of golf course sand traps
A method for treating golf course sand traps to reduce contamination of the sand and to reduce erosion. The bottom of the trap, which is substantially devoid of playing sand is roughened. An...
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6372310 |
Combined and stabilized turf for an athletic field
The invention relates to a base layer for a combined synthetic and natural turf comprising a fabric of which at least a part of the weft and/or warp threads is manufactured from a biodegradable...
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6309139 |
Manhole with extension wings
A manhole for a storm sewage system comprising a structure having at least two outwardly extending substantially vertical flat panels projecting outwardly from the exterior surface a predetermined...
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6287049 |
Layered foundation for play surface
A layered foundation for a play surface includes an upper layer formed of wood mulch or another landscaping loose-fill material, a support layer composed of multiple fragments of a resilient...
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6242062 |
Combined turf
The invention relates to a base layer for a combined synthetic and natural turf comprising a fabric of which at least a part of the weft and/or warp threads is manufactured from a biodegradable...
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6238137 |
Containment system for spills
A spill containment system for storage tanks, flow devices, and the like, and a containment system for spilled light non-aqueous phase liquid are provided. The spill containment system comprises a...
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6227763 |
Waterway
A waterway and system of waterways are disclosed in which the waterway includes a sheet of material having an upper face which defines a central channel straddled by a pair of skirts, and a pair of...
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6221445 |
Composite artificial turf structure with shock absorption and drainage
An artificial turf is disclosed which comprises an outer artificial grass layer having a generally uniform exterior playing surface. A deflection layer is disposed below the artificial grass layer....
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6146051 |
Paving system for spillage and flood management
The paving system has a perforated pavement covering a deep substrate of mainly hard nodules or shells, the whole being surrounded by impervious walls to provide temporary storage in the...
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5938372 |
Subsurface irrigation apparatus and method
A subsurface irrigation apparatus and method, the apparatus including an underlayment of water resistant material which also serves as a mounting surface for the remaining elements of the...
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5915878 |
Silt fence machine
A device for slicing through soil and simultaneously inserting silt fence into the soil. Silt fence is a synthetic material installed in and above the ground to impede silt erosion from areas...
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5836115 |
Foundation waterproofing and drainage system
A system and method for preventing the accumulation of water below and about a building and soil surrounding the building, the building having a foundation built on disturbed soil, which is in turn...
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5752784 |
Low profile drainage network for athletic field drainage system
A drainage system for a natural turf athletic field includes a buried drainage network located above a water impermeable membrane which conforms to the topography of a compacted subsoil, the...
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5662983 |
Stabilized containment facility liner
The invention relates to a stabilized fluid barrier member and to methods of forming the same. The fluid barrier comprises a first outer sheet member having a top surface and a bottom surface, with...
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5529438 |
Geosynthetic clay liner with modified edges for improved sealing
A clay liner is provided for use in constructing low permeability barriers in the bottom of landfills and man-made bodies of water. The liner is provided in the form of a layer of bentonite...
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5489462 |
Distance plate building component with a protective, ventilating, heat-insulating and drainage function
A building component in the form of a board-like distance plate having a lattice of horizontal and vertical ribs. Frusto-pyramid projections (3) extend from the intersections of the ribs on one...
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5460867 |
Separation layer for laying grass-surfaces on sand-and/or gravel base
A separation layer (12) for laying grass surfaces (10; 16) on a sand or gravel base (13), which layer is in the form of a rigid plastic sheeting with parallel side edges. The surface of the...
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5431553 |
Manhole seal molding apparatus
An apparatus is provided for installation in a manhole assembly. The mold apparatus is filled with a sealing material to establish a solid bond that blocks inflow of fluids at the joint between...
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5429453 |
Means for resurfacing tennis courts and the like
An improved surface covering for use in tennis courts or other fields on which games are played and which require a hard surface. The surface covering includes layers of materials applied on an old...
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5428877 |
Sealing sheeting of swellable clay impervious to water and/or oil
A method is provided for the continuous production of sealing sheeting impervious to water and/or oil, in the case of which between a substrate layer and a non-woven material covering layer a...
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5374138 |
Subsurface irrigation apparatus and method
A subsurface irrigation system includes one or more water distributing branches comprising a water emitting conduit and a water deflector member. The water emitting conduit extends through the area...
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5362182 |
Waste disposal landfill having subsurface impermeable sheets which can be monitored with respect to their impermeability
A waste disposal landfill has at least one subsurface impermeable sheet for containing and directing fluid runoff from the site. This impermeable sheet can be remotely monitored with respect to its...
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5348422 |
Methods for the formation and operation of an in situ process reactor
A hazardous waste site remediation process for decontamination of petrochemical and other toxic waste containing sites comprises in situ conversion of the site to a self contained process reactor...
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5316410 |
Foundation drainage system
This invention relates to the draining of foundations by using an elongate subterranean drainage structure located approximately horizontally and parallel to the foundation in combination with a...
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5310280 |
Subsoil structure for sodded ground
A subsoil structure for sodded ground comprising a water-retaining layer filling a pan-like cavity, a sand layer covering the water-retaining layer, and a soil-improving layer covering the sand...
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5249885 |
Method or use of composite drywell
A composite drywell, a drywell system and method employing the composite drywell, which composite drywell comprises a cylindrical drywell having a removable top and bottom section, the drywell...
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5248225 |
Insulating drainage method and diverter for building foundations
A method and device for diverting water away from a building foundation and insulating the soil surrounding the foundation. The method includes excavating a trench in the soil at least about a...
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5221568 |
Water and/or oil-permeable sealing mat consisting substantially of a substrate layer, a layer of swellable clay and a cover layer
A water and/or oil-impermeable sealing mat is provided in form of a bentonite non-woven fabric combination with the possibility of transmitting shear from one batt layer to the other, i.e. on a...
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5120157 |
Tennis court irrigation
An underground system for supplying water to and removing water from an athletic facility having a surface which is susceptible to excessive moisture and dryness. The system includes an array of...
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5092709 |
Landfill site with leachate collection
A landfill site is adapted to collect leachate seeping from landfill. A liner impedes passage of liquids between the landfill and a subjacent stratum. A leachate collection layer formed of drainage...
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5082397 |
Method of and apparatus for controlling fluid leakage through soil
Fluid leakage through soil in a region thereof is controlled by sequentially passing over the region to dig a plurality of parallel, laterally displaced grooves in the surface. Soil dug from each...
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5080528 |
Method and apparatus for impounding fluids
A cavity is excavated in the earth with preferably sloping sidewalls and a first impervious barrier or layer is placed on the surface of the excavation, such as a layer of plastic film or sheet....
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5076726 |
Recreational area construction
A recreational area construction comprising a base having depressions and rises thereon; a plurality of borders forming a perimeter around said base; strips of water pervious material on the base...
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5074708 |
Underground water control system for tennis courts and the like
The tennis court has water impervious bays which contain water distribution piping and particulate material that conducts water from the bottom of the bays upwardly by capillary action to the...
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5053265 |
Moisture-imprevious panel capable of delayed hydration
A flexible or rigid panel, and method of making the panel, useful as a water barrier including an intermediate layer of a water-swellable colloidal clay, such as pentonite, sandwiched between two...
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5049006 |
Continuous structure forming method and the resulting product
A method of continuously forming an extended length of a unitary structure includes the following steps. A supply of a porous flexible blanket is provided. A high viscosity flowable solidifiable...
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5006013 |
Granular type structure with moisture retaining top surface
The disclosure is directed to a built-up granular structure having a stable moisture content controlled upper layer. The preferred granular structure includes an improved fine aggregate upper...
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