Patents by Inventor Palvinder Chana

Palvinder Chana 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).

  • Shearhead reinforcement
    Patent number: 5181359
    Abstract: A shearhead for reinforcing junctions between for example vertical columns and horizontal floors where at least the floor is formed in reinforced concrete. The shearhead is in the form of a hoop bar for extending around a column with a plurality of shear legs depending therefrom. Each shear leg includes a portion extending above the hoop bar, which portion forms a hook for coupling to reinforcement in the slab of concrete extending laterally from the column.
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: January 26, 1993
    Assignee: Square Grip Limited
    Inventors: Palvinder Chana, John D. Clapson
  • Shearhead reinforcement
    Patent number: 5090172
    Abstract: A shearhead for reinforcing junctions between for example vertical columns and horizontal floors where at least the floor is formed in reinforced concrete. The shearhead is in the form of a hoop bar for extending around a column with a plurality of shear legs depending therefrom. Each shear leg includes a portion extending above the hoop bar, which portion forms a hook for coupling to reinforcement in the slab of concrete extending laterally from the column.
    Type: Grant
    Filed: October 22, 1990
    Date of Patent: February 25, 1992
    Assignee: Square Grip Limited
    Inventors: Palvinder Chana, John D. Clapson