Patents by Inventor Lewis R. Kovac

Lewis R. Kovac 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).

  • Patent number: 4156299
    Abstract: A tube ferrule for a heat exchanger such for example as a condenser, a boiler, a refrigeration unit, or the like, having the shape of a longitudinally or axially split generally tubular or cylindrical ferrule having radially outwardly extending edge flanges adapted to be compressed and inserted so as to surround the portion of a tube occupying a circular opening in a support plate somewhat larger than the tube.
    Type: Grant
    Filed: November 21, 1973
    Date of Patent: May 29, 1979
    Assignee: The Detroit Edison Company
    Inventor: Lewis R. Kovac