Patents by Inventor Ralf LANGENDORF

Ralf LANGENDORF 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: 9555462
    Abstract: A sheet metal component such as a car door is disclosed. The component includes an outer metal sheet having a groove formed therein, and an inner metal sheet having an edge forming a flange received into the groove. A filling material layer is inserted into the groove between the outer metal sheet and the flange. The outer metal sheet and the flange are welded to one another in holes of the filling material layer.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: January 31, 2017
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Ralf Langendorf, Ronald Sanders, Hartmut Baumgart
  • Publication number: 20160009319
    Abstract: A sheet metal component such as a car door is disclosed. The component includes an outer metal sheet having a groove formed therein, and an inner metal sheet having an edge forming a flange received into the groove. A filling material layer is inserted into the groove between the outer metal sheet and the flange. The outer metal sheet and the flange are welded to one another in holes of the filling material layer.
    Type: Application
    Filed: July 16, 2015
    Publication date: January 14, 2016
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Ralf LANGENDORF, Ronald SANDERS, Hartmut BAUMGART