Patents by Inventor Karl-Friedrich Wesemann

Karl-Friedrich Wesemann 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: 4631792
    Abstract: A roll for the support and transport of ingots is disclosed including a core with a helical duct along the periphery covered by a thin sleeve being secured to the groove or duct separating ridges by welding making sure that coolant cannot flow transverse to the duct and that the sleeve cannot slip off the core. A particular welding technique as employed has broader applications including joining plate or sheet stock.
    Type: Grant
    Filed: August 19, 1983
    Date of Patent: December 30, 1986
    Assignee: Mannesmann Aktiengesselschaft
    Inventors: Karl-Friedrich Wesemann, Rainer Lenk, Klaus Kobusch, Manfred Markan