Patents by Inventor Wolfgang Mathes

Wolfgang Mathes 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).

  • Sealing arrangement
    Patent number: 3968969
    Abstract: In a mechanical seal with rubbing slide ring and counter ring elements, an annular distributor guiding element which defines the annular channel guiding coolant and lubricating liquid to the interface between the elements is axially displaceable between limiting stops. The distributor guiding element tapers inwardly to define an inner orifice closely surrounding one of said ring elements or a ring form holder therefore to define an annular passage which constitutes a liquid flow regulating area.
    Type: Grant
    Filed: February 26, 1975
    Date of Patent: July 13, 1976
    Inventors: Ehrhard Mayer, Ludwig Findler, Wolfgang Mathes, Michael Steigenberger