Patents by Inventor Rolf Lund

Rolf Lund 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).

  • Seal for a rotating shaft
    Patent number: 4061345
    Abstract: Seal for the purpose of carrying a rotating shaft throught a wall and which comprises a rotating seal ring and a stationary seal ring abutting thereagainst, whereof one has been connected with the shaft and the other with the wall and whereof one is located at the end of a rubber bellows producing an axial sealing pressure. Within the wall of the rubber bellows there is at least one metal pin, which is positioned obliquely with reference to the shaft.
    Type: Grant
    Filed: April 29, 1977
    Date of Patent: December 6, 1977
    Assignee: Oy E. Sarlin AB
    Inventor: Rolf Lund