Patents by Inventor Hans R. Zepf

Hans R. Zepf 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: 4645255
    Abstract: The load hook provided for fixing to a dredging or excavating shovel or bucket has a hook body (1) surrounding an elongated hook space (2), whose axis (4) is inclined relative to a bearing surface (11) of a base part (5) provided on the hook body. A hook mouth (3) is directly linked to the base part (5) and is directly locked by a safety catch (6). Due to the inclined position of the axis (4) there is easy access to the hook mouth and base part (5) substantially forms part of the hook body (1).
    Type: Grant
    Filed: April 16, 1986
    Date of Patent: February 24, 1987
    Inventor: Hans R. Zepf