Patents by Inventor Sam Kwame Opoku

Sam Kwame Opoku 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: 3998702
    Abstract: An apparatus in which bituminous froth is concurrently heated and deaerated while flowing by gravity from one zone to another.
    Type: Grant
    Filed: October 14, 1975
    Date of Patent: December 21, 1976
    Assignee: Great Canadian Oil Sands Limited
    Inventor: Sam Kwame Opoku