Patents by Inventor Michael Rahlke

Michael Rahlke 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: 10399137
    Abstract: This invention provides process for manufacturing a galvanized metal three-dimensional object with a shape including multiple edges, said process comprising, in the following order, the steps of: (A) providing and cutting a metal sheet matrix with a thickness within a range from 0.8 mm to 6 mm, the shape of said metal sheet matrix including multiple free edges, (B) batch-wise hot dipping said metal sheet matrix into a molten zinc alloy galvanizing bath, (C) cold-forming the galvanized metal sheet matrix into a desired three-dimensional shape including multiple adjacent metal edges, and (D) cold-forming a series of joining points for fastening together said multiple adjacent metal edges, to form said galvanized metal three-dimensional object.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: September 3, 2019
    Assignee: FONTAINE HOLDINGS, NV
    Inventors: Lars Baumgürtel, Michael Rahlke
  • Publication number: 20150251236
    Abstract: This invention provides process for manufacturing a galvanized metal three-dimensional object with a shape including multiple edges, said process comprising, in the following order, the steps of: (A) providing and cutting a metal sheet matrix with a thickness within a range from 0.8 mm to 6 mm, the shape of said metal sheet matrix including multiple free edges, (B) batch-wise hot dipping said metal sheet matrix into a molten zinc alloy galvanizing bath, (C) cold-forming the galvanized metal sheet matrix into a desired three-dimensional shape including multiple adjacent metal edges, and (D) cold-forming a series of joining points for fastening together said multiple adjacent metal edges, to form said galvanized metal three-dimensional object.
    Type: Application
    Filed: February 27, 2015
    Publication date: September 10, 2015
    Applicant: Fontaine Holdings NV
    Inventors: Lars BAUMGÜRTEL, Michael Rahlke