Patents by Inventor John Ferrieri

John Ferrieri 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: 4557513
    Abstract: A lifting device adapted to lift an object, such as a metal block, having a threaded socket for engagement of a lifting device. The lifting device comprises a ring, to which is rotatably mounted a hub having three outwardly extending threaded studs of different sizes. The appropriate stud, having a diameter matching that of the socket of the object to be lifted, can be moved into the lifting position for threaded engagement with the socket.
    Type: Grant
    Filed: April 11, 1984
    Date of Patent: December 10, 1985
    Assignee: The Boeing Company
    Inventor: John Ferrieri