Patents by Inventor Cathryn R. Krolikowski

Cathryn R. Krolikowski 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).

  • Articles for casting applications comprising ceramic composite and methods for making articles thereof
    Patent number: 7098159
    Abstract: A refractory article for use in casting operations wherein said article is subject to prolonged contact with molten metal of at least 1500° C. for at least three hours, said article comprises a ceramic composite consisting essentially of about 10 to about 40 wt. % mullite; about 35 to about 5 wt. % aluminium nitride; and at least about 20 wt. % boron nitride, for forming a reactive coating layer covering at least 80% of exposed surfaces and providing corrosion/erosion protection for said article against molten metal.
    Type: Grant
    Filed: January 23, 2003
    Date of Patent: August 29, 2006
    Assignee: General Electric Company
    Inventor: Cathryn R. Krolikowski