Patents by Inventor Charles William Jack Ayers

Charles William Jack Ayers 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).

  • Spacer device for a cavity wall
    Patent number: 8584420
    Abstract: A spacer device (30) for use in a cavity wall of a building to determine the separation of the building elements of the two leaves (19,20) of the wall during construction, comprising a support body (31) having a plurality of spaced projections (32) extending transversely of the general plane of the support body and, in use, across the cavity between the said two leaves, each projection having means for preventing or at least inhibiting the transfer of moisture at least in one direction from one end of the projection to the other.
    Type: Grant
    Filed: May 16, 2003
    Date of Patent: November 19, 2013
    Assignee: Surecav Limited
    Inventors: Charles William Jack Ayers, Ronald John Pickersgill