Patents by Inventor Sandra Hettwer

Sandra Hettwer 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: 11018398
    Abstract: The invention relates, inter alia, to an assembly for fastening an upper shell or a lid to a lower shell of a battery housing, said assembly having at least one fastening element, by means of which the upper shell or the lid is or can be frictionally connected to the lower shell in the region of contact flanges, which correspond with each other and are laid one over the other. The at least one fastening element is formed by a rail element that has a U-profile-shaped cross-section at least in some sections which rail element has a web and an upper and a lower flange and is or can be slid onto the contact flanges from the end edges of the contact flanges, which are laid one over the other, and is or can be at least frictionally connected to the contact flanges as a result of a subsequent movement in the longitudinal direction of the contact flanges.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: May 25, 2021
    Assignee: VOLKSWAGEN AKTIENGESELLSCHAFT
    Inventors: Lutz Schröder, Daniel Weidemann, Sandra Hettwer, Oliver Rauls
  • Publication number: 20190312245
    Abstract: The invention relates, inter alia, to an assembly for fastening an upper shell or a lid to a lower shell of a battery housing, said assembly having at least one fastening element, by means of which the upper shell or the lid is or can be frictionally connected to the lower shell in the region of contact flanges, which correspond with each other and are laid one over the other. The at least one fastening element is formed by a rail element that has a U-profile-shaped cross-section at least in some sections which rail element has a web and an upper and a lower flange and is or can be slid onto the contact flanges from the end edges of the contact flanges, which are laid one over the other, and is or can be at least frictionally connected to the contact flanges as a result of a subsequent movement in the longitudinal direction of the contact flanges.
    Type: Application
    Filed: September 12, 2017
    Publication date: October 10, 2019
    Applicant: Volkswagen Aktiengesellschaft
    Inventors: Lutz Schröder, Daniel Weidemann, Sandra Hettwer, Oliver Rauls