Patents by Inventor Karl Severin Jakobsen

Karl Severin Jakobsen 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).

  • Method of making filament reinforced composite rings from plural flat filamentary spiral layers
    Patent number: 3966523
    Abstract: Methods for forming a composite ring having unidirectional filaments embedded in a polymer matrix is disclosed. The filaments are spirally wound within the ring to form a plurality of essentially circular hoops which are in coaxial alignment with the expected lines of principle force. In one embodiment the formed ring is structurally integrated into the rotor of a gas turbine engine to reinforce the rotor and to restrain the rotor blades which extend outwardly of the ring.
    Type: Grant
    Filed: August 11, 1975
    Date of Patent: June 29, 1976
    Assignee: United Technologies Corporation
    Inventors: Karl Severin Jakobsen, David Benjamin McLaughlin