Patents by Inventor David J. McIntosh

David J. McIntosh 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).

  • Duct supporting apparatus
    Patent number: 8235331
    Abstract: Disclosed herein is an apparatus and method for supporting a flexible duct. The apparatus comprises a concave duct support structure with a convoluted anterior end and one or more straps. The concave duct support structure is placed in contact with outer surface of the flexible duct. The convoluted anterior end supports curved surfaces of the flexible duct. The concave duct support structure comprises multiple slits. The straps pass through the slits of the concave duct support structure. Distal ends of the straps may be affixed to a structural member for suspending the flexible duct supported on the concave duct support structure. The concave duct support structure prevents the flexible duct from sagging and crimping, thereby allowing free flow of air, liquids, etc. through the flexible duct.
    Type: Grant
    Filed: September 22, 2008
    Date of Patent: August 7, 2012
    Inventor: David J. McIntosh
  • Duct Supporting Apparatus
    Publication number: 20090078832
    Abstract: Disclosed herein is an apparatus and method for supporting a flexible duct. The apparatus comprises a concave duct support structure with a convoluted anterior end and one or more straps. The concave duct support structure is placed in contact with outer surface of the flexible duct. The convoluted anterior end supports curved surfaces of the flexible duct. The concave duct support structure comprises multiple slits. The straps pass through the slits of the concave duct support structure. Distal ends of the straps may be affixed to a structural member for suspending the flexible duct supported on the concave duct support structure. The concave duct support structure prevents the flexible duct from sagging and crimping, thereby allowing free flow of air, liquids, etc. through the flexible duct.
    Type: Application
    Filed: September 22, 2008
    Publication date: March 26, 2009
    Inventor: David J. McIntosh