Patents by Inventor Allen Klingamen

Allen Klingamen 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).

  • Magnetically attached filter
    Patent number: 4961849
    Abstract: A filter or filter assembly in which at least the frame work is made of magnetic material which holds the filter or filter assembly in place without the need of hardware and which is easily removed for cleaning or changing. The applications or numerous such as vehicle vents, swimming pools, spas, radiator covers, or any opening which needs to be filtered which has a metal frame work or opening.
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: October 9, 1990
    Inventors: Harold L. Hull, Allen Klingamen