Patents by Inventor Stephan Weidmann

Stephan Weidmann 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).

  • Patent number: 11367924
    Abstract: A pressure relief cover for reducing pressure generated in a cell-like cavity, such as a battery cell, having a cover part which holds a seal for sealing a housing opening up to a predetermined cell pressure and having a holding device to fasten it to the housing opening. An advantageous type of mounting with a reliable function is achieved in that the holding device has a spring clip attached to the underside of the cover part at the housing opening with a plurality of radially outwardly directed spring tongues which at their ends are provided with spring sections which are resiliently movable backward in the radial direction upon pressing the cover part onto the housing opening through the opening edge and snap back under a wall area around the opening edge after penetrating the housing opening.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: June 21, 2022
    Assignee: HUGO BENZING GMBH & CO. KG
    Inventor: Stephan Weidmann
  • Publication number: 20220146009
    Abstract: A pressure relief valve for reducing pressure arising in a cell-like cavity, such as a battery cell, including a cover which has a seal for sealing a housing opening up to a predetermined cell pressure and is provided with a holding device in order to hold said cover on the housing opening, the holding device having a spring clip which is attached to the lower face of the cover that faces the housing opening and has a plurality of radially outwardly directed spring tongues which, at the ends thereof, are provided with spring portions which, when the cover is pressed onto the housing opening, can be moved back resiliently in the radial direction through the opening edge and, after passing through the housing opening, snap back under a wall region around the opening edge, wherein a bearing device, which is separate from the cover prior to mounting and to which the spring clip is fixed by a support part, is connected to the cover on the lower face thereof that faces the housing opening, a connection adapter bein
    Type: Application
    Filed: January 28, 2020
    Publication date: May 12, 2022
    Applicant: HUGO BENZING GMBH & CO. KG
    Inventor: Stephan Weidmann
  • Publication number: 20190280269
    Abstract: A pressure relief cover for reducing pressure generated in a cell-like cavity, such as a battery cell, having a cover part which holds a seal for sealing a housing opening up to a predetermined cell pressure and having a holding device to fasten it to the housing opening. An advantageous type of mounting with a reliable function is achieved in that the holding device has a spring clip attached to the underside of the cover part at the housing opening with a plurality of radially outwardly directed spring tongues which at their ends are provided with spring sections which are resiliently movable backward in the radial direction upon pressing the cover part onto the housing opening through the opening edge and snap back under a wall area around the opening edge after penetrating the housing opening.
    Type: Application
    Filed: November 8, 2017
    Publication date: September 12, 2019
    Inventor: Stephan Weidmann