Patents by Inventor Louis Michael Dubowicz

Louis Michael Dubowicz 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).

  • Low restriction, high performance air filter
    Patent number: 5873920
    Abstract: A low restriction air filter is especially useful for racing engines and includes a filter media of spun-bonded synthetic material, such as polyester co-pleated with a metal screen on the dirty side of the filter. An expanded metal aluminum screen surrounds the clean side of the filter media and annular end seals made of plastisol seal the axial ends of the filter media. The filter element has an inside diameter of about 14 inches, a height of about 4 inches and a filter media thickness in the radial direction of about 1 inch.
    Type: Grant
    Filed: September 27, 1996
    Date of Patent: February 23, 1999
    Assignee: Dana Corporation
    Inventors: Johnny H. Wong, Louis Michael Dubowicz