Patents by Inventor Stephan LEHNER

Stephan LEHNER 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 fixing a plurality of workpieces via a rivet element
    Patent number: 11364534
    Abstract: A method for fixing a plurality of workpieces via a hollow rivet element with an open setting end and a closed closing end. The method includes passing the rivet element through mutually aligned openings of the workpieces. The method also includes introducing a fluid, in particular air, under high pressure from the setting end of the rivet element in a hollow space of the rivet element. The method also includes plastically deforming and setting of the rivet element by the fluid at the closed closing end of the rivet element.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: June 21, 2022
    Assignee: Bayerische Motoren Werke Aktiengesellschaft
    Inventors: Julia Wagner, Maximilian Wilhelm, Stephan Lehner
  • Method for Fixing a Plurality of Workpieces Via a Rivet Element
    Publication number: 20170066042
    Abstract: A method for fixing a plurality of workpieces via a hollow rivet element with an open setting end and a closed closing end. The method includes passing the rivet element through mutually aligned openings of the workpieces. The method also includes introducing a fluid, in particular air, under high pressure from the setting end of the rivet element in a hollow space of the rivet element. The method also includes plastically deforming and setting of the rivet element by the fluid at the closed closing end of the rivet element.
    Type: Application
    Filed: November 3, 2016
    Publication date: March 9, 2017
    Inventors: Julia WAGNER, Maximilian WILHELM, Stephan LEHNER