Patents by Inventor Fred Louis Capoferi

Fred Louis Capoferi 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).

  • Method of installing valve seals and a two-piece tool therefor
    Patent number: 6571819
    Abstract: A method of installing a valve seal at the base of a valve stem of an automotive internal combustion engine is disclosed. A two-piece tool consisting of first and second tool parts is employed for carrying out the method. The first tool part is used to push upon the valve seal while the second tool part is engaged over the free end of the valve stem and guides the movement of the first tool part as it pushes upon the valve seal. The method employs a coaxial assembly to keep square the pushing upon the valve seal by the first tool part consisting both of the slidable engagement between the two tool parts and of the fixed engagement between the second tool part and the valve stem.
    Type: Grant
    Filed: March 14, 2002
    Date of Patent: June 3, 2003
    Inventor: Fred Louis Capoferi