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| Number | Title | Issue Date |
| 8096491 | Drip emitter with an independent non-drain valve An elastomer membrane based, regulated drip emitter unit, equipped with a non-drip valve, wherein the drip emitter is characterized by that it includes an opening that is exposable to an approximate atmospheric pressure that prevails on the water outlet from the dri... | 01/17/2012 |
| 7988076 | Non-clogging non-pressure compensated drip emitter A non-clogging non-pressure compensated drip emitter that utilizes one or more filters or one or more inwardly offset filters that have an inlet that projects inwardly toward a centerline of the hollow cylindrical emitter body and a labyrinth having only turbulent t... | 08/02/2011 |
| 7954732 | Irrigation system and method An irrigation system has an elongated irrigation tube subdivided by an integrally formed internal partition into a first lumen and a second lumen. At one end of the tube, a supply connection connects a water supply to the first lumen while at the other a termination... | 06/07/2011 |
| 7735758 | Drip irrigation hoses of the labyrinth type and flow-control elements for producing such hoses A drip irrigation hose includes a tube for conducting pressurized water through its interior and formed with a plurality of outlets for emitting water at longitudinally-spaced locations along the length of the tube; and a plurality of flow-control elements fixed wit... | 06/15/2010 |
| 7681810 | Irrigation emitter An emitter comprising: a plurality of inlet apertures through which liquid enters the emitter; a manifold flow channel into which liquid that passes through the apertures flow; an elastic diaphragm that seats on the manifold flow channel; an outlet aperture through ... | 03/23/2010 |
| 7648085 | Drip emitter A drip emitter is provided for delivering irrigation water from a supply tube to an emitter outlet at a reduced and relatively constant flow rate. Water enters the emitter through a first inlet and proceeds into a first chamber. When the water pressure is above a pr... | 01/19/2010 |
| 7445168 | Anti-syphon emitter A drip irrigation emitter includes a housing containing an inlet opening for receiving water from a supply tube and an outlet opening for emitting water at a pressureless drip rate. A labyrinth inside the emitter receives water from the supply tube through the inlet... | 11/04/2008 |
| 7410108 | Integral dripping emitter An extruded irrigation pipe connectable to a pressurized fluid source via a first end of the pipe, the pipe comprising drip-irrigation plug emitter mounted integrally therein during the extrusion process of the pipe. The plug emitter has an inlet in fluid communicat... | 08/12/2008 |
| 7392614 | Reinforced unitized mat to facilitate growing plants A reinforced unitized mat to facilitate growing plants includes at least two material layers defining fluid-conveying passageways forming distribution headers and a flow restrictor, an inlet for delivery of a fluid into the distribution headers, and an outlet for di... | 07/01/2008 |
| 7389950 | Sprinkler having movable nozzles A sprinkler includes hollow tube with a plurality of apertures and a plurality of nozzles are respectively inserted through the apertures. Each nozzle is connected to a bellow which is engaged with the aperture. A guide member is rotatably mounted to the hollow tube... | 06/24/2008 |
| 7337983 | Irrigation method and system using variable orifices The present invention is an irrigation method and system for providing a user-defined flow rate to a field using variable sized orifices. The irrigation method and system includes providing a source of irrigation water. A first discrete area to be irrigated is defin... | 03/04/2008 |
| 7325572 | Flow restrictor device for a medical apparatus A medical apparatus flow restrictor includes a housing having an inlet and an outlet, and a fluid flow path defined through the housing between the inlet and outlet. At least one pair of opposed restriction surfaces are provided in contact with each other within the... | 02/05/2008 |
| 7290568 | Pressure-resistance hose having watertight structure Disclosed is a pressure-resistance hose having a watertight structure capable of preventing a due condensation phenomenon, called a sweating phenomenon, from occurring on an exposed end or a surface of the pressure-resistance hose by coating adhesives on both overla... | 11/06/2007 |
| 7270280 | Disc shape dripper An integral in-line dripper to be used bonded to the internal surface of an irrigation pipe. The dripper has an inlet facing the inside of the pipe and an outlet connected to an exit opening in the pipe wall. The dripper has a flattened shape defined between a first... | 09/18/2007 |
| 7264177 | Methods, systems and apparatuses for automated irrigation and chemical treatment An automated irrigation and chemical treatment system comprising a user input device adapted to communicate with a control unit; a mixing chamber adapted to communicate with the control unit and connected to a water supply and chemical canisters, wherein each canist... | 09/04/2007 |
| 7240860 | Water distribution plate for rotating sprinklers A rotor plate for a sprinkler includes a water impingement surface bounded by an annular peripheral wall and having a radial center, and adapted to be impinged upon by a stream emitted from a nozzle. The water impingement surface is formed to include at least one ra... | 07/10/2007 |
| 7207607 | Coaxial two-component cartridge The invention relates to a coaxial two-component cartridge, with an outer tube and a separate inner tube, both of which tape at one respective end into a respective neck, wherein the inner side of the neck of the outer tube and the outer side of the neck of the inne... | 04/24/2007 |
| 7201333 | Intermittent automatic irrigation system An automatic irrigation system having a simplified structure can intermittently supply water (and liquid fertilizer) required by farmer products under water saving conditions depending on the weather condition of the day independent of the size of an irrigation area... | 04/10/2007 |
| 7175113 | Drip irrigation hose and method for making same A drip irrigation hose includes a plurality of emitter elements secured to a tube at longitudinally-spaced locations to define, with an inner surface of the tube, a plurality of labyrinths each having an inlet in communication with the interior of the tube, and an o... | 02/13/2007 |
| 7156326 | Water sprayer with water-spraying adjustment mechanism A water sprayer with a water spraying adjustment mechanism including a body and a rotatable cap is disclosed. The body includes an outer tubular wall with a threaded outer surface forming a central axial bore extrusion defining an inner chamber, an inner tubular wal... | 01/02/2007 |
| 7152816 | Mister nozzle apparatus A mister nozzle apparatus has a check valve incorporated therein to shut off the water passing through the misting nozzle to prevent draining of the water from the misting water supply pipes. The check valve has a resilient membrane valve element which opens and clo... | 12/26/2006 |
| 7147203 | Fluid control Fluid control apparatus and method of controlling fluid flow. The fluid control apparatus comprises an elongate tube having a first flow opening at an end of the tube and at least one second flow opening along the length of the tube, and a sleeve arranged to slide a... | 12/12/2006 |
| 7121477 | Sprinkler system with relief and backflow preventer valve and warning system This above ground sprinkler system for a water supply provides a main supply hose having an inlet connected to the water supply and an outlet. A main valve is disposed between bib end of the hose and the water supply. A central station including a water supply inlet... | 10/17/2006 |
| 7108018 | Reinforced flexible hose A reinforced flexible hose comprising as least a first inner extruded tubular layer and at least a second extruded tubular layer with a tubular reinforcement fabric provided between said first and second hoses. The two tubes are joined so as to form a homogeneous un... | 09/19/2006 |
| 7108205 | Drip irrigation system employing parallel adjacent flowpaths A drip irrigation tube having a plurality of sequentially placed emitters formed on an interior wall of the tube. Each emitter employs a series of parallel flowpaths axially positioned along the tube to provide for closer proximity of inlet ports to discharge chambe... | 09/19/2006 |
| 7104471 | Dispensing devices A liquid dispensing device for dispensing a liquid into the surrounding atmosphere employs a forced airflow through a small cross-section outlet nozzle (48) to draw the liquid from an adjacent exit nozzle (50) into the airflow. The air outlet nozzle pr... | 09/12/2006 |
| 7093734 | Tray with side recesses and channels for gas transfer Packaging methods and apparatus for bonding a lidding web to a tray web, characterized in that the lidding web is placed under tension in both the longitudinal and lateral directions before being bonded to a tray web. A tray web having recesses and channels that for... | 08/22/2006 |
| 7082716 | Rollable watering tube A devise for watering vegetation has a cylindrical tube that can be laid flat and rolled up. The tube has a watertight seal about 2 to about 6 inches from each end, which leaves a flap at each end. The flaps can be attached to stakes that can be driven into the grou... | 08/01/2006 |
| 7048010 | Drip irrigation system Low-pressure drip irrigation system, comprising a distribution pipe made of thin-walled sleeve collapsible when empty and designed to operate under hydraulic head up to 3 m H2O, having a plurality of holes in the walls thereof, a plurality of branch tubes... | 05/23/2006 |
| 7040839 | Subsurface irrigation of plants, trees and landscape with water containing gas micro-bubbles In the subsurface irrigation of crops, using injectors to provide micro-bubbles of useful gases of improvement of delivery of a more uniform stream with lesser variation in gas content and lesser tendency of particulate fines to settle out, thereby reducing the need... | 05/09/2006 |
| 7032834 | Filtering device for an irrigation system A filtering system for filtering particles from a flow of fluid is disclosed, and includes a filter device for removably positioning in a lumen of a pipe carrying the flow of fluid. The filter device has an upstream side for positioning in an upstream direction of f... | 04/25/2006 |
| 7032622 | Hose for introduction and distribution of inflator gas Disclosed herein is a hose for introduction and distribution of inflator gas which is characterized in that the hose is placed in an air bag apparatus for side collision and distributes the inflator gas upon operation of the air bag, that outside surface and/or insi... | 04/25/2006 |
| 6997402 | Unitized mat to facilitate growing woody plants A unitized mat to facilitate growing woody plants includes at least two polymeric material layers, an inlet for delivery of fluid, and at least one outlet for dispensing fluid into an area covered by at least one layer. There is an opening in the layers through whic... | 02/14/2006 |
| 6996932 | Unitized mat to facilitate growing plants A unitized mat to facilitate growing plants includes at least two polymeric material layers defining fluid-conveying passageways forming distribution headers and a flow restrictor, an inlet for delivery of a fluid into the distribution headers, and an outlet for dis... | 02/14/2006 |
| 6991181 | Soaker/sprinkler hose A soaker/sprinkler hose having a cylindrical cross section with radial discharge orifices circumferentially spaced about the entire perimeter of the conduit along the length thereof for simultaneously directing liquid flow streams downwardly into the ground on one s... | 01/31/2006 |
| 6959882 | Watering and aerating soil with a drip line When the dripline used for watering soil, low pressure air in the range 10–100 inch water column is flowed through a buried dripline, in alternation of with flow of water at 5 psig or more. The flow of air provides oxygen to the soil, and more widely and evenly di... | 11/01/2005 |
| 6953156 | Irrigation method for sloping land A method for providing efficient uniform delivery of a predetermined amount of water needed for a specific crop planted on sloping land using an irrigation system laid out following a topographical map to maintain a constant pressure head for all of the discharge po... | 10/11/2005 |
| 6948642 | Apparatus and method for dispensing fluids into an air intake An apparatus and method for dispensing fluids into an air line comprises a container having a valve so as to selectively open the container to allow flow of fluids therefrom, the container being configured with a circumferential channel and with a circumferential gr... | 09/27/2005 |
| 6945477 | Cryogenic coupling device A cryogenic coupling device includes a valved receptacle and a valved nozzle. Rollers in an outer collar of the receptacle are received in helical channels along a collar of the nozzle. A notch or detent in each of the channels provides a vent position to vent fluid... | 09/20/2005 |
| 6945476 | Self-compensating drip irrigation emitter The invention relates to a self-compensating drip irrigation emitter. A plurality of novel embodiments are provided, wherein the emitter of the invention is capable of always supplying a substantially constant flow within a range of pressures of a fluid flowing in a... | 09/20/2005 |