Patents Assigned to Polylok Inc.
  • Patent number: 10934713
    Abstract: A clipping apparatus for holding rebar is disclosed. The clipping apparatus includes having a first base portion and a second base portion. Extensions and clips are positioned in the base portions to hold one or more rebar rods or wires in a stable orientation. Platforms are positioned to give a user a plane upon which to apply an engaging force to clip the rebar into the clipping apparatus. A chair arrangement is positioned to provide spacing between adjacent planes of rebar. A fluid-stop section is positioned about the first base portion and the second base portion. The fluid-stop section also includes a raised rim. Together with the base, platforms, and chair, the fluid-stop section to help prevent flow of liquid through the clipping apparatus.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: March 2, 2021
    Assignee: Polylok, Inc.
    Inventor: Peter W. Gavin
  • Patent number: 9435435
    Abstract: Systems for providing universally installable secondary safety systems for use, in one embodiment, with a riser for a septic tank are disclosed. In some embodiments, the system includes the following: a riser extending from a system of interest located underground, a retainer ring installed within said riser, and a safety screen to prevent access to the underground system and lower portions of the riser from above.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: September 6, 2016
    Assignee: Polylok, Inc.
    Inventor: Peter W. Gavin
  • Publication number: 20160122126
    Abstract: Systems for providing universally installable secondary safety systems for use, in one embodiment, with a riser for a septic tank are disclosed. In some embodiments, the system includes the following: a riser extending from a system of interest located underground, a retainer ring installed within said riser, and a safety screen to prevent access to the underground system and lower portions of the riser from above.
    Type: Application
    Filed: November 4, 2014
    Publication date: May 5, 2016
    Applicant: Polylok, Inc.
    Inventor: Peter W. Gavin
  • Patent number: 8327599
    Abstract: A spacer for positioning rods and wire in concrete is disclosed. In some embodiments, the spacer includes first and second saddle portions joined together via a connection mechanism. Spacing members are joined with the first and second saddle portions and first and second outer edges are joined with the spacing members opposite the first and second saddle portions. A conforming fixed centering tab having a centering groove is joined with the first saddle portion at first and second ends. An adjustable and conforming centering flap is joined with the second saddle portion at a first end via a hinge connection and includes a free second end opposite the first end. The centering flap has a length greater than a width of an opening of the second saddle portion. The connection mechanism is joined with the spacing members adjacent the outer edges for pivoting the first and second saddle portions.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: December 11, 2012
    Assignee: Polylok Inc.
    Inventor: Peter W. Gavin