Patents by Inventor L. W. R. Dicks

L. W. R. Dicks 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 gasification process with inhibition of quench zone plugging
    Patent number: 4823741
    Abstract: A process for the gasification of coal to produce synthesis gas is disclosed, the process being characterized by passage of product gas stream containing sticky or molten particles upward from the gasification zone and quenching of the product gas stream and particles in a quench zone coated or lined internally with boron nitride.
    Type: Grant
    Filed: July 13, 1988
    Date of Patent: April 25, 1989
    Assignee: Shell Oil Company
    Inventors: Drucilla G. Davis, L. W. R. Dicks, J. A. Horwege
  • Coal gasification process with inhibition of quench zone plugging
    Patent number: 4823742
    Abstract: A process for the gasification of coal to produce synthesis gas is disclosed, the process being characterized by passage of product gas stream containing sticky or molten particles upward from the gasification zone and quenching of the product gas stream and particles in a quench zone coated or lined internally with silicon carbide.
    Type: Grant
    Filed: July 13, 1988
    Date of Patent: April 25, 1989
    Assignee: Shell Oil Company
    Inventors: D. G. Davis, L. W. R. Dicks
  • Coal gasification process with inhibition of quench zone plugging
    Patent number: 4805562
    Abstract: A process for the gasification of coal to produce synthesis gas is disclosed, the process being characterized by passage of product gas stream containing sticky or molten particles upward from the gasification zone and quenching of the product gas stream and particles in a quench zone coated or lined internally with silicon nitride.
    Type: Grant
    Filed: July 13, 1988
    Date of Patent: February 21, 1989
    Assignee: Shell Oil Company
    Inventors: D. G. Davis, L. W. R. Dicks, J. A. Horwege
  • Coal gasification process with inhibition of quench zone plugging
    Patent number: 4805561
    Abstract: A process for the gasification of coal to product synthesis gas is disclosed, the process being characterized by passage of product gas stream containing sticky or molten particles upward from the gasification zone and quenching of the product gas stream and particles in a quench zone coated or lined internally with titanium diboride.
    Type: Grant
    Filed: July 13, 1988
    Date of Patent: February 21, 1989
    Assignee: Shell Oil Company
    Inventors: D. G. Davis, L. W. R. Dicks