Patents by Inventor Christer H. Dahlgren

Christer H. Dahlgren 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: 4285526
    Abstract: A sealing device for bearings in which two sealing areas are provided in series, each comprising an elastomeric sealing lip, the lips being part of a single ring and contacting cylindrical surfaces of a surrounding housing, the sealing ring being attached to a metallic liner.
    Type: Grant
    Filed: September 25, 1979
    Date of Patent: August 25, 1981
    Assignee: Stefa Industri Aktiebolag
    Inventors: G. Rune Klinteberg, N. A. Bertil Johansson, B. Lennart Johansson, Christer H. Dahlgren