Patents by Inventor John A. Mazeika

John A. Mazeika 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).

  • Coal fired steam generation apparatus with easily accessible coal pipe orifice
    Patent number: 5421274
    Abstract: Apparatus for installation in an associated coal pipe for directing pulverized coal to an associated furnace assembly that includes a housing having an inlet, an outlet, and an access port intermediate the inlet and the outlet. The apparatus also includes a generally circular orifice, a tray dimensioned and configured for carrying and engaging the orifice and apparatus. The chamber is generally aligned with the access port and is dimensioned and configured for receiving the tray with the orifice carried thereon. The apparatus in the housing defining a chamber allows sliding movement of the tray with the orifice carried thereon into and out of the chamber through the access port.
    Type: Grant
    Filed: December 21, 1993
    Date of Patent: June 6, 1995
    Assignee: Combustion Engineering, Inc.
    Inventors: Everton S. Gordon, John A. Mazeika