Patents by Inventor Nicholas J. Koushiafes

Nicholas J. Koushiafes 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).

  • Furnace air filter
    Patent number: 4174205
    Abstract: An improved apparatus for filtering an air flow which is warmed or cooled and used for heating or cooling purposes, comprises a filter frame defining a filter area and a filter medium supply source located in proximity to the frame, wherein the frame and supply source co-operate so that the filter medium which is removed from the filter area is replaced by filter medium from the supply source.
    Type: Grant
    Filed: May 3, 1978
    Date of Patent: November 13, 1979
    Inventor: Nicholas J. Koushiafes
  • Boat
    Patent number: D291881
    Type: Grant
    Filed: August 12, 1983
    Date of Patent: September 15, 1987
    Assignee: Investment Associates, Inc.
    Inventor: Nicholas J. Koushiafes