Patents by Inventor Lisa Ehemann

Lisa Ehemann 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).

  • Method for the production of tailor welded blanks (TWBs)
    Patent number: 11745246
    Abstract: Method for producing a component system having a first component with a first component portion and a second component with a second component portion, including the following steps: connecting, in particular welding or soldering, the first component portion, which consists of an aluminum alloy, to the second component portion, which in particular consists of a naturally aged aluminum alloy, a copper alloy or an iron alloy, in particular a steel alloy, so as to form a connection seam; artificially aging the connection seam such that the yield strength of the connection seam is above the yield strength of the first component portion and/or of the second component portion; and deforming, in particular deep-drawing and/or stretch-drawing, the component system.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: September 5, 2023
    Assignee: UNIVERSITAET STUTTGART
    Inventors: Martin Werz, Stefan Weihe, Lisa Ehemann
  • METHOD FOR THE PRODUCTION OF TAILOR WELDED BLANKS (TWBs)
    Publication number: 20190084027
    Abstract: Method for producing a component system having a first component with a first component portion and a second component with a second component portion, including the following steps: connecting, in particular welding or soldering, the first component portion, which consists of an aluminum alloy, to the second component portion, which in particular consists of a naturally aged aluminum alloy, a copper alloy or an iron alloy, in particular a steel alloy, so as to form a connection seam; artificially aging the connection seam such that the yield strength of the connection seam is above the yield strength of the first component portion and/or of the second component portion; and deforming, in particular deep-drawing and/or stretch-drawing, the component system.
    Type: Application
    Filed: September 12, 2018
    Publication date: March 21, 2019
    Applicant: UNIVERSITAET STUTTGART
    Inventors: Martin Werz, Stefan Weihe, Lisa Ehemann