Patents by Inventor Geoffrey Alan Fletcher

Geoffrey Alan Fletcher 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).

  • Cast-in lifting anchor
    Patent number: 8096086
    Abstract: An edge-lift anchor for tilt-up lifting of a concrete component has, at a lower part of its head an element for anchoring the head against shear forces acting during the tilt-up phase of lifting. Such element comprises an aperture to receive concrete, an aperture to receive a reinforcing bar, or a shear plate welded to the lower edge of the head.
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: January 17, 2012
    Assignee: ITW Construction Systems Australia Pty Ltd
    Inventor: Geoffrey Alan Fletcher
  • CAST-IN LIFTING ANCHOR
    Publication number: 20090205268
    Abstract: An edge-lift anchor for tilt-up lifting of a concrete component has, at a lower part of its head means for anchoring the head against shear forces acting during the tilt-up phase of lifting. Such means may comprise an aperture to receive concrete, an aperture to receive a length of reinforcing bar, of a shear plate welded to the lower edge of the head.
    Type: Application
    Filed: June 27, 2007
    Publication date: August 20, 2009
    Applicant: ITW Construction Products Australia Pty Ltd.
    Inventor: Geoffrey Alan Fletcher