Patents by Inventor Edward P. Renaud

Edward P. Renaud 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).

  • Process for making cores used in investment casting
    Patent number: 5273104
    Abstract: Casting cores particularly useful in the investment casting industry are described. The cores are characterized by the presence of hollow ceramic particles, which facilitate the removal of the core from the casting they are used to form. In a preferred embodiment of the invention, the core is characterized by solid and hollow ceramic particles sintered to each other to form a core matrix, and such particles have the same composition. In an even further preferred embodiment, high temperature stable fibers are distributed uniformly throughout the matrix.
    Type: Grant
    Filed: September 20, 1991
    Date of Patent: December 28, 1993
    Assignee: United Technologies Corporation
    Inventors: Edward P. Renaud, Edward C. Wingfield, Wallace W. Bowley
  • Steam closet and hanger for the removal of wrinkles from clothing
    Patent number: 5094020
    Abstract: A steam closet for removal of wrinkles from clothing. The steam closet comprises an upright cabinet having sealingly engageable doors, a steam generation plant disposed within the cabinet, and a clothes hanger bar for receipt of clothing within the cabinet in spaced relationship to permit steam to circulate about all sides of the clothing hung within the cabinet.
    Type: Grant
    Filed: March 26, 1990
    Date of Patent: March 10, 1992
    Inventors: Edward C. Wingfield, Edward P. Renaud