Patents by Inventor Marc Opletal

Marc Opletal 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 with central element for a filter system
    Patent number: 10183244
    Abstract: A filter element (10) has a filter bellows (12) arranged about the longitudinal axis (L) and having a first end disk (14) on a first end face (26), and a second end disk (16) on a second end face (28). A central element (20) is arranged rotatably about the longitudinal axis (L) relative to the filter bellows (12) in the interior (18) of the filter bellows (12). The central element (20) has one or multiple positioning elements (22, 24) which interact with counter positioning elements (116, 118) of an upper housing part (114) to fix the central element in the upper housing part (114) in a defined angular position. The central element (20) has at least one electrical connector element (32) on the element, electrically contacting at least one electrical connector element (120) on the housing.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: January 22, 2019
    Assignee: MANN+HUMMEL GmbH
    Inventors: Marc Opletal, Gunther Kraft, Andreas Wildermuth, Steffen Meinhold, Markus Beylich, Frank Thomann
  • Filter Element with Central Element for a Filter System
    Publication number: 20170087486
    Abstract: A filter element (10) has a filter bellows (12) arranged about the longitudinal axis (L) and having a first end disk (14) on a first end face (26), and a second end disk (16) on a second end face (28). A central element (20) is arranged rotatably about the longitudinal axis (L) relative to the filter bellows (12) in the interior (18) of the filter bellows (12). The central element (20) has one or multiple positioning elements (22, 24) which interact with counter positioning elements (116, 118) of an upper housing part (114) to fix the central element in the upper housing part (114) in a defined angular position. The central element (20) has at least one electrical connector element (32) on the element, electrically contacting at least one electrical connector element (120) on the housing.
    Type: Application
    Filed: September 28, 2016
    Publication date: March 30, 2017
    Inventors: Marc Opletal, Gunther Kraft, Andreas Wildermuth, Steffen Meinhold, Markus Beylich, Frank Thomann