Patents by Inventor Ake S. Jernqvist

Ake S. Jernqvist 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 for removing oxygen from and adding carbon dioxide to a liquid water
    Patent number: 4177044
    Abstract: A liquid and a carbon dioxide containing gas are brought into intimate contact with each other while flowing countercurrently through a column divided into three contact zones. The liquid flows through the first contact zone at a relatively low temperature t.sub.1 to take up carbon dioxide from the gas, then through the second contact zone for delivering carbon dioxide and oxygen to said gas at a higher temperature t.sub.2, and finally through the third contact zone to take up carbon dioxide at a lower temperature t.sub.3 with respect to the temperature t.sub.2.
    Type: Grant
    Filed: September 1, 1977
    Date of Patent: December 4, 1979
    Assignee: Alfa-Laval AB
    Inventor: Ake S. Jernqvist