Patents by Inventor Rene Reif

Rene Reif 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
  • Internal-combustion engine
    Patent number: 5934241
    Abstract: An internal-combustion engine, particularly for a motor vehicle, is provided with an oil pan. Oil ducts are molded into the housing of the oil pan. An oil filter housing with an oil filter and an oil pump is integrated in the oil pan. Together with the oil filter and the oil pump, the oil pan can be mounted and/or demounted as a unit to the internal-combustion engine.
    Type: Grant
    Filed: May 19, 1997
    Date of Patent: August 10, 1999
    Assignees: Mercedes-Benz AG, Filterwerk Mann & Hummel GmbH
    Inventors: Gotz Freiherr Von Esebeck, Rene Reif, Rolf Durrstein, Robert Ostertag, Martin Weindorf
  • Camshaft drive housing for an internal combustion engine
    Patent number: 5842451
    Abstract: In a camshaft drive housing for an internal combustion engine supporting auxiliary equipment, an oil pump is mounted in the housing cover and driven by the engine crankshaft. It supplies oil under pressure to an oil filter also mounted on the camshaft drive housing and the pressure of the oil leaving the oil filter is communicated back to the oil pump by way of a passage extending through the housing cover for controlling the oil pump.
    Type: Grant
    Filed: November 13, 1997
    Date of Patent: December 1, 1998
    Assignee: Daimler-Benz AG
    Inventors: Gotz Freiherr von Eisebeck, Rene Reif, Rolf Durrstein, Robert Ostertag, Martin Weindorf