Patents by Inventor Hugo J. d. F. Filho

Hugo J. d. F. Filho 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).

  • Foundry sand core removal and recycle
    Patent number: 5423370
    Abstract: Metal parts formed by casting in a foundry and which contain the sand cores used to form internal passages are cleared of the sand cores by subjecting them to temperatures sufficient to pyrolyze and/or combust the bonding agents holding the sand cores together, in a fluidized-bed furnace.
    Type: Grant
    Filed: March 4, 1994
    Date of Patent: June 13, 1995
    Assignee: Procedyne Corp.
    Inventors: Ronald Bonnemasou, Hugo J. d. F. Filho, Lauro da Costa, Karen Bickford, Anthony DiNunzi