Patents by Inventor Uri Alkalay

Uri Alkalay has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11857899
    Abstract: A filtering apparatus (100) having a filtering mode and a self-cleaning mode, the apparatus provided for filtering an upstream flowing fluid with filtering elements (20) in the form of a plurality of stackable discs during filtering mode utilizing a first flow direction, apparatus (100) also configured to self-clean the filtering elements (20) the apparatus (100) including an internal fluid diverter (110,210, 310) that is internal to the filter housing. The position of the internal fluid diverter determines the direction of fluid flow through the filter housing and the filter phase. The position of the internal fluid diverter is controlled with a controller disposed external to the filter housing that may be manipulated either manually or by automated means.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: January 2, 2024
    Assignee: Plas-Fit Ltd.
    Inventors: Uri Alkalay, Gilad Nahmias
  • Patent number: 11504725
    Abstract: A rotary sprinkler comprises a rotatable irrigation head with one or more nozzles, associated with liquid feed lines, which extend thereto from a sprinkler base housing, and further comprises a static biasing control base located below the irrigation head, e.g. between the sprinkler base housing and the irrigation head. The sprinkler can comprise a flow regulator arm, whose movement, at least indirectly, results in reducing the cross-sectional area of liquid flow towards at least one of the nozzles, and a flow deflector arm configured to interfere with a liquid jet discharged from at least one of the nozzles in order to affect the angle and range of the liquid jet. The static biasing control base can comprise an array of biasing elements, which can bias a cam follower configured to rotate together with the irrigation head and transfer its rotational displacement to the flow regulator arm and flow deflector arm, e.g. through respective gear elements.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: November 22, 2022
    Assignee: CLEVER WATER SPRINKLER TECHNOLOGIES LTD.
    Inventors: Uri Alkalay, Avihai Simner
  • Patent number: 10813302
    Abstract: A system including: (a) a pipe having an aperture providing fluid communication between inner and outer pipe surfaces; (b) a cylindrical drip emitter disposed within the pipe, including: an emitter body having an outer facing having a generally convex contour adapted in generally complementary fashion to a concave contour of the inner pipe surface, the outer facing secured to the inner surface; a liquid inlet section adapted to receive a liquid from within the pipe, and to deliver the liquid, via the aperture, to the outer facing; a pressure-reducing section disposed in fluid communication with the liquid inlet section; functionally active sections including the pressure-reducing section, the liquid inlet section, the functionally active sections disposed within, and longitudinally defining, a position of a longitudinal segment of the body; and at least one functionally passive section, disposed on the outer facing, within the longitudinal segment; and (c) a liquid flow path fluidly connecting between the liq
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: October 27, 2020
    Assignee: METZERPLAS AGRICULTURAL COOPERATIVE LTD
    Inventor: Uri Alkalay
  • Publication number: 20200070186
    Abstract: A rotary sprinkler comprises a rotatable irrigation head with one or more nozzles, associated with liquid feed lines, which extend thereto from a sprinkler base housing, and further comprises a static biasing control base located below the irrigation head, e.g. between the sprinkler base housing and the irrigation head. The sprinkler can comprise a flow regulator arm, whose movement, at least indirectly, results in reducing the cross-sectional area of liquid flow towards at least one of the nozzles, and a flow deflector arm configured to interfere with a liquid jet discharged from at least one of the nozzles in order to affect the angle and range of the liquid jet. The static biasing control base can comprise an array of biasing elements, which can bias a cam follower configured to rotate together with the irrigation head and transfer its rotational displacement to the flow regulator arm and flow deflector arm, e.g. through respective gear elements.
    Type: Application
    Filed: March 1, 2018
    Publication date: March 5, 2020
    Inventors: Uri Alkalay, Avihai Simner
  • Patent number: 9918438
    Abstract: A system including: (a) a pipe having an aperture providing fluid communication between inner and outer pipe surfaces; (b) a cylindrical drip emitter disposed within the pipe, including: an emitter body having an outer facing having a generally convex contour adapted in generally complementary fashion to a concave contour of the inner pipe surface, the outer facing secured to the inner surface; a liquid inlet section adapted to receive a liquid from within the pipe, and to deliver the liquid, via the aperture, to the outer facing; a pressure-reducing section disposed in fluid communication with the liquid inlet section; functionally active sections including the pressure-reducing section, the liquid inlet section, the functionally active sections disposed within, and longitudinally defining, a position of a longitudinal segment of the body; and at least one functionally passive section, disposed on the outer facing, within the longitudinal segment; and (c) a liquid flow path fluidly connecting between the liq
    Type: Grant
    Filed: May 10, 2012
    Date of Patent: March 20, 2018
    Assignee: Uri ALKALAY
    Inventor: Uri Alkalay
  • Patent number: 9827514
    Abstract: A fluid flow accessory is provided for coupling to an opening formed in a wall portion. The fluid flow accessory includes a cup having an edge configured to engage a first surface of the wall portion; and a coupling member including coupling arrangement configured for coupling to the cup and a first flange configured to be inserted through the opening in a first orientation thereof with respect to the opening, and for abutting against a second surface of the wall portion in a second orientation thereof with respect to the opening, and a fastening member protruding towards the first flange and being disposed such that in the second orientation it engages a segment of the wall portion thereby limiting the displacement of the coupling member into the first orientation.
    Type: Grant
    Filed: February 24, 2015
    Date of Patent: November 28, 2017
    Assignee: YAMIT FILTRATION & WATER TREATMENT LTD.
    Inventor: Uri Alkalay
  • Publication number: 20140070029
    Abstract: A system including: (a) a pipe having an aperture providing fluid communication between inner and outer pipe surfaces; (b) a cylindrical drip emitter disposed within the pipe, including: an emitter body having an outer facing having a generally convex contour adapted in generally complementary fashion to a concave contour of the inner pipe surface, the outer facing secured to the inner surface; a liquid inlet section adapted to receive a liquid from within the pipe, and to deliver the liquid, via the aperture, to the outer facing; a pressure-reducing section disposed in fluid communication with the liquid inlet section; functionally active sections including the pressure-reducing section, the liquid inlet section, the functionally active sections disposed within, and longitudinally defining, a position of a longitudinal segment of the body; and at least one functionally passive section, disposed on the outer facing, within the longitudinal segment; and (c) a liquid flow path fluidly connecting between the liq
    Type: Application
    Filed: May 10, 2012
    Publication date: March 13, 2014
    Inventor: Uri Alkalay
  • Patent number: 5695081
    Abstract: A modular shelving system which can be easily assembled and disassembled is disclosed. The system comprises: (1) vertical posts; (2) horizontal beams; (3) side horizontal braces; (4) connectors capable of being mounted on the vertical posts and having 1-4 identical ears protruding from the sides of the connector capable of being coupled to the horizontal beams and braces; and (5) shelf pieces which are positioned on the horizontal beams. The width of the side horizontal braces is substantially similar to the width of the connectors, thus forming one continuous surface.
    Type: Grant
    Filed: December 6, 1995
    Date of Patent: December 9, 1997
    Assignee: Julius Engineering Ltd.
    Inventor: Uri Alkalay
  • Patent number: 5641122
    Abstract: A pop-up sprinkler including an outer housing defining a water inlet, an inner housing which is raised automatically in response to the supply of water under at least a predetermined pressure, a water driven turbine disposed within the inner housing and driven by water entering the sprinkler via the water inlet, a reducing gear disposed within the inner housing and driven by the water driven turbine and having an output shaft fixed against rotation with respect to the inner housing, whereby operation of the water driven turbine causes the reducing gear to rotate relative to the housing, and a rotatable water outlet fixed to the reducing gear for rotation together therewith relative to the inner housing.
    Type: Grant
    Filed: February 2, 1994
    Date of Patent: June 24, 1997
    Inventors: Uri Alkalai, Moshe Gorney
  • Patent number: D503773
    Type: Grant
    Filed: November 20, 2003
    Date of Patent: April 5, 2005
    Assignee: Elgo Irrigation LTD
    Inventor: Uri Alkalay
  • Patent number: D503837
    Type: Grant
    Filed: November 20, 2003
    Date of Patent: April 5, 2005
    Assignee: Elgo Irrigation LTD
    Inventor: Uri Alkalay
  • Patent number: D517904
    Type: Grant
    Filed: November 20, 2003
    Date of Patent: March 28, 2006
    Assignee: Elgo Irrigation LTD
    Inventor: Uri Alkalay
  • Patent number: D520351
    Type: Grant
    Filed: January 11, 2005
    Date of Patent: May 9, 2006
    Assignee: Elgo Irrigation LTD
    Inventors: Uri Alkalay, Michael Peretz Ben-Asher
  • Patent number: D457221
    Type: Grant
    Filed: February 27, 2001
    Date of Patent: May 14, 2002
    Assignee: Lego Irrigation Ltd.
    Inventors: Uri Alkalay, Constantin Presman
  • Patent number: D465826
    Type: Grant
    Filed: September 14, 2001
    Date of Patent: November 19, 2002
    Assignee: Lego Irrigation Ltd.
    Inventors: Uri Alkalay, Constantin Presman
  • Patent number: D466585
    Type: Grant
    Filed: September 14, 2001
    Date of Patent: December 3, 2002
    Assignee: Lego Irrigation Ltd.
    Inventor: Uri Alkalay
  • Patent number: D470218
    Type: Grant
    Filed: February 4, 2002
    Date of Patent: February 11, 2003
    Assignee: Lego Irrigation Ltd.
    Inventors: Uri Alkalay, Coustantin Presman
  • Patent number: D470567
    Type: Grant
    Filed: February 4, 2002
    Date of Patent: February 18, 2003
    Assignee: Lego Irrigation Ltd.
    Inventors: Uri Alkalay, Coustantin Presman
  • Patent number: D472303
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: March 25, 2003
    Assignee: Lego Irrigation Ltd.
    Inventors: Uri Alkalay, Coustantin Presman
  • Patent number: D472959
    Type: Grant
    Filed: September 25, 2002
    Date of Patent: April 8, 2003
    Assignee: Lego Irrigation Ltd.
    Inventors: Uri Alkalay, Coustantin Presman