| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 405045000 | Porous | 36 |
| 20080219769 | ROOT-IRRIGATION PIPE AND ROOT-IRRIGATION SYSTEM - A root-irrigation pipe, including a hollow pipe with holes in two terminals, an inside of said pipe is parted into a first side-chamber and a second side-chamber by a separate-wall extending longitudinally. A sidewall of the first side-chamber opposite said separate-wall has an opening extending lengthwise, the separate-wall distributing perforative orifices uniformly lengthwise; a plurality of blocks distributed lengthwise are slidably located between said first side-chamber and the opening, blocking the orifices, a space between the block and the flank of said first side-chamber forming a seeping-cleft with an edge of the opening. | 09-11-2008 |
| 20080260463 | Fabric structure for water and soil conservation and manufacturing apparatus for the same - The present invention discloses a fabric structure for water and soil conservation and an apparatus for manufacturing the same, wherein the fabric structure includes a fabric and a plurality of holding means, the holding means is made of a plastic material with a holding means base coupled to a surface of the fabric. Thus, the fabric structure can hold a covering substance covered onto the fabric by the holding means, so as to prevent the covering substance from being washed away by rains. | 10-23-2008 |
| 20080286046 | Modular, self-contained, engineered irrigation landscape and flower bed panel - An ornamental planting landscape irrigation distribution and reservoir product and method ecosystem employing a substantially continuous panel on the soil surface on which ornamental landscape plantings is placed or produced, the panel having a primary, lateral water distribution structure which distributes water from a water charging inlet through the lateral area to the panel periphery, where it is restrained, the primary water distribution structure being such that when filled with water or completely submerged in water air is trapped by the gaps and spaces of the material for ornamental landscape plant usage. | 11-20-2008 |
| 20080298897 | Enhanced soaker hose - A flexible irrigation pipe including porous and non-porous segments combined together to avoid unnecessary water loss and improve water distribution along the porous segments of the irrigation pipe. | 12-04-2008 |
| 20090074512 | Drainage element - The preassembled drainage element is made with a water permeable membrane sleeve that has slits placed in the peripheral portion of the sleeve that is to form the bottom of the drainage element. The aggregate is post-expandable after fabrication of the drainage element so as to widen the slits and cause the periphery of the drainage element to bulge in the sections containing the slits. | 03-19-2009 |
| 20090080976 | LIGHTWEIGHT AGGREGATE UNIT AND METHOD OF MANUFACTURE - A water channeling system includes at least one channeling member comprising fixed aggregate forming a solid body. In this embodiment, the at least one channeling member has a first end, a second end, and a plurality of fluidly connecting interstices therewithin. In this version, the at least one channeling member is water permeable longitudinally between the first end and the second end. The at least one channeling member may be installed below ground to channel water from a first location to a second location. The channeling member may be an elongate member or a vertical panel. The channeling member may comprise comprises polymeric aggregate particles having irregular shapes. The fixed aggregate may have a density of less than or equal to about 1 lb per cubic foot. Multiple channeling members may be placed end-to-end. | 03-26-2009 |
| 20090092445 | Apparatus for making drainage element with a periphery of different materials - The drainage element is made with a periphery formed of a filter material that allows the passage of water and prevents the passage of soil and a second peripheral section of net material that allows the passage of water while the preventing the passage of the lightweight aggregate therein. The filter material is preferably made of spun bonded polyester and may be made of a biodegradable material such as starch. | 04-09-2009 |
| 20090116907 | Porous Tube for Exudative Irrigation and Method for Manufacturing the Same - Tubes for exudative irrigation and methods for manufacturing the same are disclosed. The tubes may comprise a core of textile formed by a knitted fabric covered with a covering of porous material which may comprise a resin mixture of acrylic or polyurethane type, plus additives such as for example, plasticizers, dyes, thickeners and biostatic substances adapted to prevent the proliferation of bacteria, algae or fungi. The core may be composed of one or more fibres in the form of a thread as a single textile fibre of thread, woven using a method of self-interlacing, forming horizontal rows of loops, or possibly a warped fabric with independent threads, using a warp method with one needle for each thread, forming vertical columns of loops. | 05-07-2009 |
| 20090123232 | Drainage element with a periphery of different materials - The drainage element is made with a periphery formed of a filter material that allows the passage of water and prevents the passage of soil and a second peripheral section of net material that allows the passage of water while the preventing the passage of the lightweight aggregate therein. The filter material is preferably made of spun bonded polyester and may be made of a biodegradable material such as starch. | 05-14-2009 |
| 20090148235 | Transport Corridor infiltration system - A roadway or other transport corridor infiltration system which collects runoff while allowing for the easily removal of litter from its surface. The infiltration system comprises at least the edge surface of the roadway or other transport corridor being formed by a plastics grid structure having at least its upper surface formed by an array of alternate openings and support members, such that water can permeate therethrough. An infiltration layer is located at least below and in communication with said grid structure, filled with aggregate material, which is larger in cross-section than the width of the openings of said grid structure. A geotextile wrapped water permeable infiltration tank located below and in communication with said infiltration layer, such that runoff passes through the grid structure into the infiltration layer and into the permeable infiltration tank, where the water is stored and/or flows back into the soil through the walls of the tank and the geotextile. | 06-11-2009 |
| 20090208288 | Geotextile Tube with Flat Ends - A flexible water-permeable geotextile tube having flat ends when filled with fill material. The tube has separate end panels that are attached to a tube body at the tube body's opposing ends. In one embodiment of this invention, the separate end panels are configured to have the same shape as that of a cross-section of the tube body when the tube body is filled and installed. The cross section of the tube body may be determined before installation by determining the relationship between the height, circumference, the fill material, and the surrounding environment into which the tube is planned to be installed. | 08-20-2009 |
| 20090238646 | Porous Pavement for Water Quality and Quantity Management - A sorptive-filtration system for removing at least one of negatively or positively charged ions, complexes or particulates from an aqueous stream. The system includes a) flow formed substantially from at least one of rainfall-runoff or snowmelt-runoff; b) a filter containment communicating with the runoff stream such that at least part of the stream passes through the filter containment; and c) a granular filter media disposed within the filter containment, the filter media having an amphoteric material applied thereto, wherein the amphoteric material comprises a metal selected from at least one of Fe, Al, Mn, or Si. | 09-24-2009 |
| 20090269137 | Tubular element with light weight aggregate filling - The tubular element is made with a sleeve formed of a spun bonded polyester material that allows the passage of water and prevents the passage of soil when used for a drainage element. The tubular element is made with small diameters that allows the element to be coiled about a three-dimensional object when used as a cushioning device. | 10-29-2009 |
| 20100111606 | Drainage Element and apparatus and method for making same - A preassembled drainage line element is fabricated with one or more flaps. In one embodiment, the drainage line unit is made from a webs of net material and a web of water permeable material and has two flaps at diametric points. The webs are formed about a barrel and the longitudinal edges are secured together, as by sewing a seam, to form a flap. The seam can be sewn at one of a plurality of spacings from the barrel to form a drainage line element of a different diameter from a standard diameter without need to adjust or replace other components of the fabricating machine. | 05-06-2010 |
| 20100111607 | Drainage element - A preassembled drainage line element is fabricated at least in part of a biodegradable material, such as kraft paper or a plastic film. The biodegradable material may be perforated to impart a characteristic of water permeability to the material. | 05-06-2010 |
| 20100329786 | Fluid and Nutrient Delivery Irrigation System and Associated Methods - A system and method for efficiently delivering an aqueous solution to plants includes a hydrophilic solution-channeling device having a delivery portion positionable adjacent a root system of a plant. The solution-channeling device has a lumen therethrough for channeling a solution from an inlet to the delivery portion. At least a portion of the delivery portion has a porosity adapted for permitting a flow of the solution therethrough when acted upon by at least one of a surfactant root exudate and negative root pressure generated by the plant roots, for example, when experiencing water stress and/or a need for nutrients. The system also includes a pressure regulating device for providing at least a minimum pressure value to permit fluid to flow through the lumen and at most a maximum pressure value above which fluid flows through the lumen even in the absence of surfactant root exudate or negative root pressure. | 12-30-2010 |
| 20110070028 | REVERSE OSMOSIS IRRIGATION - A plant watering device is disclosed. The device has a preferentially water permeable membrane arranged to separate a supply of water from a root system of a plant. The membrane is arranged to allow water to permeate to water the roots. | 03-24-2011 |
| 20110091282 | Drainage element and method and machine for making same - A strip of membrane material is laminated to a wider strip of netting and then the longitudinal edges of the strip of netting are seamed together into a sleeve for receiving aggregate to form an elongated tubular drainage element. The laminated peripheral portion of the resultant sleeve is used as the top of the drainage element to preclude fine material from entering the drainage element. Where a membrane is used to form the sleeve, holes or slits are placed in the peripheral portion of the sleeve that is to form the bottom of the drainage element. The seaming of the overlapped longitudinal edges of the membrane is effected using glue and a nozzle that blows air under pressure onto the seam to force the edges and glue to bond together. | 04-21-2011 |
| 20110110720 | WATER-PERMEABLE PIPE ASSEMBLY - A water-permeable pipe assembly includes a pipe unit and first and second interconnecting units. The pipe unit includes upper and lower walls, each of which has first and second end portions. The first interconnecting unit includes a plurality of spaced apart joints that interconnect the first end portions of the upper and lower walls of the pipe unit. Each adjacent pair of the joints of the first interconnecting unit defines a gap therebetween. The second interconnecting unit includes a plurality of spaced apart joints that interconnect the first end portions of the upper and lower walls of the pipe unit. Each adjacent pair of the joints of the second interconnecting unit defines a gap therebetween. Water introduced into the pipe unit is discharged through the gaps in the first and second interconnecting units. | 05-12-2011 |
| 20110135391 | SYNTHETIC MATERIALS FOR WATER DRAINAGE SYSTEMS - Synthetic rocks are used as a substitute for natural gravel to fill in a water drainage trench. The synthetic rocks may be used around perforated drain tiles in a basement water drainage system, or they may be used without such tile. The synthetic rocks may be of a size and shape that mimics the natural rock they replace, but they are preferably significantly lighter in weight. The synthetic rocks may alternatively be tubular or cubic shaped, for example, and may include one or more lumens or other passageways to facilitate the flow of water through and/or around the rocks. The synthetic rocks may be provided in mesh bags to facilitate placement in a water drainage trench. | 06-09-2011 |
| 20110182666 | Drainage Device - Described is a drainage device for surface drainage, in particular a drainage channel, comprising a hollow, preferably elongate main body ( | 07-28-2011 |
| 20110255921 | Water retention cell structures - An assembly of hollow frustum-shaped bodies arranged and supported on a horizontal support structure is used to form a core structure for water retention cells. The assemblies are arranged in alternately inverted layers with the ends of the frustum-shaped bodies interconnected to form vertical support columns which are horizontally stabilized by horizontal support structure. | 10-20-2011 |
| 20120107048 | IRRIGATION CONDUIT AND SYSTEM - An irrigation conduit for sub ground irrigation, methods for fabrication the conduit and irrigation systems comprising the same. The irrigation conduit comprises one or more elongated water-impermeable plastic strips joined to form a sleeve, wherein at least one of the strips comprises a plurality of water transmitting ceramic windows spaced along its length. The water transmitting ceramic windows are having an internal structure comprising vacuoles and a network of channels connecting between the vacuoles. | 05-03-2012 |
| 20120230767 | PASSIVE CAPILLARY AND GRAVITY DRAINAGE SYSTEM AND METHOD - A system for draining liquid from soil is disclosed. The system includes a passive capillary drain in combination with a core for gravity flow, including a sand topdressing layer, a native soil interface, and a rootzone, a curtain traversing from the sand topdressing layer through the native soil interface to at least one tube element, the at least one tube element pulling the water out of the soil with capillary suction, and a core central to the at least one tube element that moves excess water via gravity flow with capillary suction. The elements may be installed parallel at a 3 feet center and a depth of 10 inches, and/or may be installed vertically. | 09-13-2012 |
| 20120263535 | DRAINAGE ELEMENT AND APPARATUS AND METHOD FOR MAKING SAME - A preassembled drainage line element is fabricated with one or more flaps. In one embodiment, the drainage line unit is made from a webs of net material and a web of water permeable material and has two flaps at diametric points. The webs are formed about a barrel and the longitudinal edges are secured together, as by sewing a seam, to form a flap. The seam can be sewn at one of a plurality of spacings from the barrel to form a drainage line element of a different diameter from a standard diameter without need to adjust or replace other components of the fabricating machine. | 10-18-2012 |
| 20130071186 | Foundation Stabilization System and Method of Use - A system for stabilizing moisture content of soil adjacent a building foundation uses a French drain which is dug around a perimeter of the building and grey water produced in the building as a source of irrigating fluid. Grey water sources from within the building are directed to the French drain through conduits which are separate from the normal sewage lines leading to the sanitary sewer system. An overflow conduit diverts any excess overflow from the French drain to the sanitary sewer line. | 03-21-2013 |
| 20140030021 | WICK ASSEMBLY AND METHOD FOR INSTALLING AN UNDERDRAIN - A wick assembly for installation under a roadway according to the invention includes a perforated drain pipe, an inner sheet of a wicking fabric disposed on the perforated drain pipe in a manner effective to cover the perforations therein, an outer sheet of a wicking fabric, and a layer of filter aggregates confined between the inner and outer wicking fabric sheets to form a wick drain in combination with the perforated drain pipe. Water passes through the sheets and filter aggregates in order to enter the perforated drain pipe through the perforations therein. The wick drain may be disposed inside an outer pipe with the outer fabric sheet in slidable contact with the inner periphery of the pipe casing. The outer pipe casing serves to protect the wick drain during installation and is later removed once the wick drain is in position. | 01-30-2014 |
| 20140294507 | AGGREGATE REPLACEMENT - An aggregate replacement device may be used to take replace rock aggregate in underground drainage systems. An aggregate replacement device may include a structure having a proximal end, a distal end, and at least one face. The at least one face may have a plurality of first openings. A second opening in the structure may extend from the proximal end to the distal end of the structure continuing uninterrupted through at least one of the at least one faces. The second opening may receive a pipe inserted in a radial direction of the pipe. The aggregate replacement device may also include a pipe retainer. An additional embodiment of the aggregate replacement device may include a stake which may be used to secure the aggregate replacement device in position. | 10-02-2014 |
| 20140294508 | AGGREGATE REPLACEMENT - An aggregate replacement device may be used to take replace rock aggregate in underground drainage systems. An aggregate replacement device may include a structure having a proximal end, a distal end, and at least one face. The at least one face may have a plurality of first openings. A second opening in the structure may extend from the proximal end to the distal end of the structure continuing uninterrupted through at least one of the at least one faces. The second opening may receive a pipe inserted in a radial direction of the pipe. The aggregate replacement device may also include a pipe retainer. An additional embodiment of the aggregate replacement device may include a stake which may be used to secure the aggregate replacement device in position. | 10-02-2014 |
| 20150016888 | System and Method for Irrigation - A method for subsurface irrigation having the steps of; providing one or more hydrophobic porous uncoated tubes having a hydro head (HH), locating the tubes with at least a portion of their length within the rhizosphere of plants to be irrigated, and passing an aqueous irrigation liquid into the tubes during the growth phase of the plants to be irrigated at an applied pressure at or below HH. The tubes may be located in the proximity of seeds which become the plants to be irrigated following their germination. In this embodiment, aqueous irrigation fluid is passed into the tubes during a germination phase of the seeds at an applied pressure that is at least 10% higher than the applied pressure during the growth phase of the plants. | 01-15-2015 |
| 20150071710 | GEONET FOR A GEOCOMPOSITE - A geonet having a length substantially greater than its width and including no more than first and second layers of strands. A first plurality of substantially parallel strands extends in the lengthwise direction and defines the first layer of strands, and a second plurality of substantially parallel strands is disposed on top of, and at an angle relative to, the first plurality of strands and defines the second layer of strands. The first and second plurality of strands are substantially incompressible and secured to one another at crossover locations. Geocomposites include geotextile bonded to at least one side of the geonet. The geonets/geocomposites are laid in geotechnical construction sites in the direction of expected drainage flow. | 03-12-2015 |
| 20160010762 | AGGREGATE REPLACEMENT | 01-14-2016 |
| 20160076214 | PERMANENT DRAINAGE DITCH ADAPTED TO IMPROVE YIELD FROM FARMLAND - A drainage ditch, including: a ditch body. The ditch body includes, from the top down: a separate layer, a first filter layer, a second filter layer, and a third filter layer. The separate layer is straw or stover; the first filter layer is crush stones having particle sizes of between 5 and 15 mm; the second filter layer is crush stones having particle sizes of between 20 mm and 40 mm; the third filter layer is stones having particle sizes of between 30 mm and 70 mm. The separate layer is covered by a plough layer. | 03-17-2016 |
| 20160177525 | Fabricating a quilted drainage unit using a flat bed | 06-23-2016 |
| 20160201284 | Drainage Pipe Apparatus and System Thereof | 07-14-2016 |
| 20160201300 | SYSTEMS AND METHODS FOR GATHERING WATER | 07-14-2016 |
