Patents by Inventor Mark J. Zolenas

Mark J. Zolenas 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).

  • Method and apparatus for clearing a powder accumulation in a powder delivery tube
    Patent number: 6835229
    Abstract: A system for monitoring coal flow through a coal delivery tube in a blast furnace fuel injection system is disclosed, which system automatically actuates a purge cycle for clearing accumulations of coal from a coal lance when a temperature drop indicative of an imminent blockage is detected. A method of controlling the purge system is also disclosed.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: December 28, 2004
    Assignee: ISG Technologies Inc.
    Inventors: Robert K. Brown, Mark J. Zolenas
  • Method and apparatus for clearing a powder accumulation in a powder delivery tube
    Publication number: 20030136318
    Abstract: A system for monitoring coal flow through a coal delivery tube in a blast furnace fuel injection system is disclosed, which system automatically actuates a purge cycle for clearing accumulations of coal from a coal lance when a temperature drop indicative of an imminent blockage is detected. A method of controlling the purge system is also disclosed.
    Type: Application
    Filed: January 22, 2002
    Publication date: July 24, 2003
    Inventors: Robert K. Brown, Mark J. Zolenas