Patents by Inventor Ronald E. Tapping

Ronald E. Tapping 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).

  • Metal treatment
    Patent number: 4872908
    Abstract: A method of forming a filter cake for filtering liquid metal from particles stable within the liquid metal on an inert, liquid metal permeable substrate in the flow path of the liquid metal to be filtered characterized by depositing the particles in the flow path upstream of the substrate to be carried at least partially by the metal flow and dispersed as a pre-wetted and pre-primed filter cake on the substrate.
    Type: Grant
    Filed: December 31, 1987
    Date of Patent: October 10, 1989
    Assignee: Alcan International Limited
    Inventors: Philip G. Enright, Andrew J. Hobbis, Ronald E. Tapping