Patents by Inventor Bent B. Hansen

Bent B. Hansen 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).

  • Particle erosion resistant covering for fan blade leading edge
    Patent number: 4318672
    Abstract: A considerable increase of the life time of metallic members, particularly the blades of fans or turbines, which are exposed to air-borne abrasive particles is obtained by providing such members with a wear-resisting attachment comprising at least two wear-resisting layers consisting of materials having complementary relationships of the erosion caused by said abrasive particles to the impact angle of the particles, said attachment being applied to surface portions of the members to be protected.
    Type: Grant
    Filed: November 6, 1978
    Date of Patent: March 9, 1982
    Assignee: Nordisk Ventilator Co. A/S
    Inventor: Bent B. Hansen