Patents by Inventor Lugwig Gauckler

Lugwig Gauckler 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).

  • Filter medium for filtering molten metals
    Patent number: 4528099
    Abstract: Filter medium in the form of a stable body made of ceramic material and employed for filtering molten metals. The filter medium is made up of at least two effective filter layers such that a relatively thick layer of large pore diameter lies on a relatively thin layer of small pore diameter. This arrangement aims at attaining the maximum possible wetting of the interior of the filter medium.
    Type: Grant
    Filed: June 6, 1983
    Date of Patent: July 9, 1985
    Assignee: Swiss Aluminium Ltd.
    Inventors: Wolfhart Rieger, Lugwig Gauckler, Konrad Kampfer, Albert Mauer, Marco Dellapina, Volker Nobbe