Patents by Inventor William Todd Howe

William Todd Howe 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-infiltrated ceramic seal
    Patent number: 6338906
    Abstract: A metal-infiltrated ceramic for use in tribological applications, such as in mechanical face seals, beatings and other sliding or rubbing components, which provides excellent durability and wear characteristics. The metal-infiltrated ceramic is useful in both the “harder” and “softer” one of two relatively sliding members which is in, or may come into, contact with each other during the motion of one of the members relative to the other. The material is a porous ceramic which has been infiltrated with a metal.
    Type: Grant
    Filed: November 11, 1999
    Date of Patent: January 15, 2002
    Assignee: CoorsTek, Inc.
    Inventors: Marcus A. Ritland, William Todd Howe