Patents by Inventor David A. Fender

David A. Fender 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).

  • Ventilated athletic cap
    Patent number: 4550445
    Abstract: A hat or cap comprising an adjustable headband, a semi-rigid visor attached to said headband and extending along the front and both sides of the cap, and a canopy attached to the outer edges of said visor. The canopy is made of formed cloth or semi-rigid material so as to maintain its shape and keep a spaced relation between the cap and the head of the wearer. The canopy further contains air vents in the front and rear so as to permit the unrestricted flow of air about the head of the wearer.
    Type: Grant
    Filed: May 4, 1984
    Date of Patent: November 5, 1985
    Inventor: David A. Fender
  • Tube sheet shield
    Patent number: 4252182
    Abstract: The tube sheet of a heat exchanger supports a plurality of tubes made from a material such as titanium. A shield is provided for the tube sheet and is welded to the tubes. The shield is made from the same material as the tubes and is spaced from the tube sheet to define a fluid chamber containing fluid at a pressure in excess of the pressure of the liquid flowing through the tubes.
    Type: Grant
    Filed: March 20, 1979
    Date of Patent: February 24, 1981
    Assignee: Ecolaire Incorporated
    Inventor: David A. Fender
  • Ventilated athletic cap
    Patent number: D291381
    Type: Grant
    Filed: March 11, 1985
    Date of Patent: August 18, 1987
    Inventor: David A. Fender