Patents by Inventor Goetz Frhr. von Esebeck

Goetz Frhr. von Esebeck 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 system for the lubricant of an internal combustion engine
    Patent number: 6126818
    Abstract: A filter system, in particular for filtering the lubricant of an internal combustion engine, having at least two filter elements (19, 25) which can be connected successively to the oil circuit and a changeover valve (21) which feeds the oil to be cleaned to one of the filter elements, with the valve (21) being operated by the pressure difference between the clean oil side and the raw oil side of a filter element (19, 25, 26).
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: October 3, 2000
    Assignee: Filterwerk Mann & Hummel GmbH
    Inventors: Rolf Duerrstein, Goetz Frhr. von Esebeck, Robert Ostertag, Rene Reif, Martin Weindorf