Patents by Inventor Dirk Depiereux

Dirk Depiereux 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 element
    Patent number: 9844744
    Abstract: A filter element having a longitudinal center axis for a fresh air system of an internal combustion engine may include a first plate filter body composed of a pleated filter material and a separate second plate filter body composed of a pleated filter material. The filter element may include first wall body and a second wall body, and a first end body and a second end body. The first wall body, the second wall body, the first end body and the second end body may be connected to the first plate body and the second plate filter body to define an inner space. At least one of the first plate filter body and the second plate filter body may include a curvature projecting to the interior space in a profile extending transversely to a longitudinal direction with respect to the longitudinal center axis.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: December 19, 2017
    Assignees: MAHLE INTERNATIONAL GMBH, BAYERISCHE MOTOREN WERKE AG
    Inventors: Harry Gensler, Stefan Kaiser, Samuel Kohler, Hans Waibel, Dirk Depiereux
  • FILTER ELEMENT
    Publication number: 20160082379
    Abstract: A filter element having a longitudinal center axis for a fresh air system of an internal combustion engine may include a first plate filter body composed of a pleated filter material and a separate second plate filter body composed of a pleated filter material. The filter element may include first wall body and a second wall body, and a first end body and a second end body. The first wall body, the second wall body, the first end body and the second end body may be connected to the first plate body and the second plate filter body to define an inner space. At least one of the first plate filter body and the second plate filter body may include a curvature projecting to the interior space in a profile extending transversely to a longitudinal direction with respect to the longitudinal center axis.
    Type: Application
    Filed: April 30, 2014
    Publication date: March 24, 2016
    Applicant: Mahle International GmbH
    Inventors: Harry Gensler, Stefan Kaiser, Samuel Kohler, Hans Waibel, Dirk Depiereux