Patents by Inventor Jan Jacobus Van Aswegan

Jan Jacobus Van Aswegan 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: 8863572
    Abstract: The invention provides a method for the protection of internal filters of a LTFT slurry bubble reactor. The method includes the step of activating an emergency back-flush procedure during low slurry level conditions and/or during increasing temperature of an internal filter.
    Type: Grant
    Filed: January 9, 2008
    Date of Patent: October 21, 2014
    Assignees: The Pretroleum Oil and Gas Corporation of South Africa (Pty) Ltd., StatoilHydro ASA
    Inventors: Pål Søraker, Marcus Fathi, Alton Christo Liedeman, Jan Jacobus Van Aswegan, Rodney Bruce Buchan
  • Publication number: 20100089148
    Abstract: The invention provides a method for the protection of internal filters of a LTFT slurry bubble reactor. The method includes the step of activating an emergency back-flush procedure during low slurry level conditions and/or during increasing temperature of an internal filter.
    Type: Application
    Filed: January 9, 2008
    Publication date: April 15, 2010
    Applicant: StatoilHydro ASA
    Inventors: Pål Søraker, Marcus Fathi, Alton Christo Liedeman, Jan Jacobus Van Aswegan, Rodney Bruce Buchan