Patents by Inventor Bernard Blazek

Bernard Blazek 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).

  • Oil filter and heat exchanger
    Patent number: 5326461
    Abstract: The side wall (8) of the cylindrical casing (1) of an oil filter containing a filtering element (2) consists of a heat exchanger defining two entwined circuits one (6, 14) of which is intended for the oil before its filtration and the other (9, 15) of which is intended for a cooling liquid. Each circuit extends helically and is delimited by a cylindrical sleeve (11, 12) and by a groove (14, 15) hollowed out of an intermediate partition (13).
    Type: Grant
    Filed: December 7, 1992
    Date of Patent: July 5, 1994
    Assignee: Labinal
    Inventors: Guy Legrand, Bernard Blazek