Patents by Inventor Ulf Karnath

Ulf Karnath 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: 6454211
    Abstract: A structural component for example an aircraft door or aircraft body section is cast of lightweight metals as an integral structure with an outer skin reinforced by stiffening ribs forming a first grid structure and by stiffening walls forming a second gird structure integrally connected to the first grid structure as a result of casting. The side opposite the skin on the second grid structure is preferably covered by a further inner skin, for example secured by casting or by an adhesive.
    Type: Grant
    Filed: December 18, 2000
    Date of Patent: September 24, 2002
    Assignee: Airbus Deutschland GmbH
    Inventors: Wolfgang Entelmann, Otto Mester, Ulf Karnath
  • Publication number: 20010004096
    Abstract: A structural component for example an aircraft door or aircraft body section is cast of lightweight metals as an integral structure with an outer skin reinforced by stiffening ribs forming a first grid structure and by stiffening walls forming a second gird structure integrally connected to the first grid structure as a result of casting. The side opposite the skin on the second grid structure is preferably covered by a further inner skin, for example secured by casting or by an adhesive.
    Type: Application
    Filed: December 18, 2000
    Publication date: June 21, 2001
    Inventors: Wolfgang Entelmann, Otto Mester, Ulf Karnath