Patents by Inventor Willem Hupkes, deceased

Willem Hupkes, deceased 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).

  • Process of Liquefying a gaseous, methane-rich feed to obtain liquefied natural gas
    Patent number: 7266975
    Abstract: A process of liquefying a gaseous, methane-rich feed to a liquefied product is provided that includes adjusting the composition and the amount of refrigerant and controlling the liquefaction process using an advanced process controller based on model predictive control to determine simultaneous control actions for a set of manipulated variables.
    Type: Grant
    Filed: January 28, 2004
    Date of Patent: September 11, 2007
    Assignee: Shell Oil Company
    Inventors: Arina Petronella Jacoba Hupkes-Van Der Toorn, legal representative, Pei Jung Lin, Roland Pierre Silve, Kornelis Jan Vink, Willem Hupkes, deceased