Patents by Inventor Ian A. Birdling

Ian A. Birdling 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).

  • Patent number: 4962615
    Abstract: A window or door assembly is disclosed consisting of a door or window pane and first and second pane retaining frame members and first and second hinge members mountable with the pane retaining members. The assembly is distinguished to conventional assemblies in that there is provided a bead of sealing material, preferably silicone rubber, adjoining abutting edges of a pivotal pane with a fixed pane of the window or door. The seal remains in place while the pane is being pivoted. The combination reduces of the amount of framing required in the construction of a window while at the same time increasing the amount of glass with a nearly invisible joint between the pivotal pane and the fixed pane.
    Type: Grant
    Filed: September 29, 1987
    Date of Patent: October 16, 1990
    Assignee: Birdling Industries Limited
    Inventor: Ian A. Birdling