Patents by Inventor Michael Capek

Michael Capek 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).

  • Patent number: 8091610
    Abstract: Core material is removed from a passage in a casting by exposing at least a portion of the core material in the passage to a leaching liquid. At least a portion of the core material in the passage is exposed to a gas. An opening to passage is exposed to a gas. At least a portion of the leaching liquid in the passage is boiled while the opening to the passage is exposed to a gas. At least a portion of the leaching liquid is expelled from the passage in the casting by the boiling action. To expose at least a portion of the core material in a passage to a leaching liquid, a flow of leaching liquid is conducted from a reservoir container to an operating container in which the casting is disposed. To expose at least a portion of the core material in the passage to a gas, a flow of leaching liquid is conducted from the operating container to the reservoir container.
    Type: Grant
    Filed: July 2, 2008
    Date of Patent: January 10, 2012
    Assignee: PCC Airfoils, Inc.
    Inventors: Lawrence D. Graham, Michael Capek