Patents Assigned to PERMADRAIN, LLC
  • Sink strainer assembly
    Patent number: 11268267
    Abstract: A sink strainer assembly for attachment to a clamping ring of a sink waste valve assembly comprising a strainer sized to fit within and be attachable to the clamping ring by a locking bar attachable to the clamping ring and at least one or more screws affixing the strainer to the locking bar, the improvement to which comprises (a) the strainer comprising a cylindrical body having top and bottom surfaces provided with passageways extending from the top surface and extending through the bottom surface to permit fluids to pass through the strainer, a channel cut in the bottom surface and having a post cavity of greater depth than the channel, a screw passageway extending from the bottom of the post cavity through the top surface of the strainer body; (b) the locking bar comprising an elongated slat member having a width greater than the depth of the channel and a length sized to fit in the channel, the slat having a post member sized to fit into the post cavity, the post member having an axial passageway formed
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: March 8, 2022
    Assignee: PERMADRAIN, LLC
    Inventors: Russell W Robillard, Fred W Robillard
  • Sink strainer assembly
    Patent number: 10513841
    Abstract: A sink strainer assembly for attachment to a clamping ring of a sink waste valve assembly comprising a strainer sized to fit within and be attachable to the clamping ring by a locking bar attachable to the clamping ring and at least one or more screws affixing the strainer to the locking bar, the improvement to which comprises (a) the strainer comprising a cylindrical body having top and bottom surfaces provided with passageways extending from the top surface and extending through the bottom surface to permit fluids to pass through the strainer, a channel cut in the bottom surface and having a post cavity of greater depth than the channel, a screw passageway extending from the bottom of the post cavity through the top surface of the strainer body; (b) the locking bar comprising an elongated slat member having a width greater than the depth of the channel and a length sized to fit in the channel, the slat having a post member sized to fit into the post cavity, the post member having an axial passageway formed
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: December 24, 2019
    Assignee: PERMADRAIN, LLC
    Inventors: Russell W. Robillard, Fred W. Robillard