Patents by Inventor Michael T. Ives

Michael T. Ives 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).

  • Pressure molding process using salt cores and composition for making cores
    Patent number: 4904423
    Abstract: A process for pressure molding an article around a hardened salt mold core made from a mixture of relatively low melting temperature salt and sand wherein the core is removed from the finished article by immersion of the article containing the core into a molten bath mixture of the core material thereby to melt the core out of the article, recover the core material, and thus replenish the bath for use in making additional cores. The bath is originally constituted by melting a suitable quantity of a dry premix of the salt and sand.
    Type: Grant
    Filed: October 30, 1984
    Date of Patent: February 27, 1990
    Assignee: Park Chemical Company
    Inventors: Robert W. Foreman, Michael T. Ives
  • Reagent bath for and method of treating a workpiece surface
    Patent number: 4844749
    Abstract: A bath for treating a metallic workpiece so as to provide a surface finish thereupon includes a reagent adapted to react with the surface and an abrasive material. Relative agitational motion between the abrasive and the workpiece is provided and in this manner the abrasive promotes uniform reaction of the workpiece surface with the reagent so as to provide a uniform, deposit-free coating. Also within the scope of the present invention is a method for treating workpiece surfaces utilizing such a bath.
    Type: Grant
    Filed: December 11, 1987
    Date of Patent: July 4, 1989
    Inventors: Robert W. Foreman, Michael T. Ives