Patents by Inventor Lukas STEMPER

Lukas STEMPER 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).

  • SHEET OR STRIP MADE OF A HARDENABLE ALUMINUM ALLOY, A VEHICLE PART MADE THEREFROM, A USE, AND A METHOD FOR PRODUCING THE SHEET OR STRIP
    Publication number: 20230042050
    Abstract: A sheet or strip made of a hardenable aluminum alloy, a vehicle part made therefrom, a use, and a method for producing the sheet or strip are disclosed. In order to insure a powerful paint bake response (PBR), it is proposed for the aluminum alloy to have from 4.0 to 5.5 wt % magnesium (Mg) and from 2.5 to 5.5 wt % zinc (Zn) and for it to be in the T4-FH state, wherein the wt % of magnesium (Mg) is greater than the wt % of zinc (Zn).
    Type: Application
    Filed: January 7, 2021
    Publication date: February 9, 2023
    Inventors: Ramona TOSONE, Stefan POGATSCHER, Lukas STEMPER, Peter J. UGGOWITZER
  • METHOD FOR PRODUCING A SHEET OR STRIP FROM AN ALUMINIUM ALLOY, AND A SHEET, STRIP OR MOLDED PART PRODUCED THEREBY
    Publication number: 20220127708
    Abstract: A method for producing a sheet or strip from an aluminum alloy and a sheet, strip or molded part produced thereby are disclosed. A rough surface and stretcher strain marks can be avoided if the cold-rolled sheet or strip with a particular composition and microstructure is subjected to a heat treatment with a recrystallization annealing and a subsequent accelerated cooling.
    Type: Application
    Filed: January 30, 2020
    Publication date: April 28, 2022
    Inventors: Paul EBENBERGER, Werner FRAGNER, Bodo GEROLD, Stefan POGATSCHER, Lukas STEMPER, Peter J. UGGOWITZER