Patents by Inventor Donald Frederick Thorby

Donald Frederick Thorby 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: 5725112
    Abstract: A portable crane for use on a pickup or utility truck is disclosed. The crane has a mounting base rotatably mountable to a tray of the motor vehicle. The crane includes a post connectable to a base frame which is welded to the mounting base. A lifting arm and a brace are telescopically arranged for different use configurations. The post, the brace and the lifting arm are able to be folded together to be substantially parallel when the crane is in its folded configuration.
    Type: Grant
    Filed: March 18, 1996
    Date of Patent: March 10, 1998
    Inventor: Donald Frederick Thorby