Patents by Inventor Hendricus J. A. Hasenack

Hendricus J. A. Hasenack 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: 4887962
    Abstract: Disclosed is a burner for the partial combustion of a solid carbonaceous fuel wherein coal, e.g., finely divided coal, is supplied to a reactor space via a central channel disposed along the longitudinal axis of the burner, and oxygen-containing gas is supplied via an annular channel surrounding said central channel, and heat from the combustion is removed from the hollow front face of the burner by coolant flowed through said front face spirally about the longitudinal axis of the burner.
    Type: Grant
    Filed: February 17, 1988
    Date of Patent: December 19, 1989
    Assignee: Shell Oil Company
    Inventors: Hendricus J. A. Hasenack, Ian Poll
  • Patent number: 4865542
    Abstract: Disclosed is a burner for the partial combustion of a solid carbonaceous fuel wherein coal, e.g., finely divided coal, is supplied to a reactor space via a central channel disposed along the longitudinal axis of the burner, and oxygen-containing gas is supplied via two annular channels surrounding said central channel, and heat from the combustion is removed from the hollow front face of the burner by coolant flowed through said front face spirally about the longitudinal axis of the burner.
    Type: Grant
    Filed: February 17, 1988
    Date of Patent: September 12, 1989
    Assignee: Shell Oil Company
    Inventors: Hendricus J. A. Hasenack, Ian Poll