Patents by Inventor Sven O. Ericson

Sven O. Ericson 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).

  • Load hook
    Patent number: 4911394
    Abstract: A load hook intended to be attached to the outer end of a crane jib, a crane wire or corresponding device. According to the invention, the load hook (1) comprises two opposed hooks (2,3) connected to and extending in spaced parallel relationship with each other, where each hook comprises a substantially U-shaped portion (4,5) forming a U-shaped groove (6,7) intended to support a carrying member connected to a load.
    Type: Grant
    Filed: May 8, 1989
    Date of Patent: March 27, 1990
    Assignee: Ted Zettergren AB
    Inventor: Sven O. Ericson