Patents by Inventor Jack William Corbett

Jack William Corbett 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).

  • Crane crosshead assembly mounted on a pedestal
    Patent number: 4061230
    Abstract: In a crane having a boom adapted to be mounted on a pedestal, a crane mounting system having a crosshead assembly and a bearing means, the crosshead assembly for connection to the crane boom and adapted to be rotatively mounted in proximity to the upper end of the pedestal and the bearing means allowing rotation and limited pivotal movement of the crosshead assembly with respect to the pedestal.
    Type: Grant
    Filed: January 8, 1976
    Date of Patent: December 6, 1977
    Assignee: Pedestal Crane Corporation
    Inventors: John B. Goss, William D. Morrow, Jack William Corbett