Patents by Inventor Nils Yngve Appelquist

Nils Yngve Appelquist 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).

  • Tank cooling system and method for cryogenic liquids
    Patent number: 7131278
    Abstract: A system and method to transfer a cryogenic liquid from a station tank system to a recipient tank is provided. At least a part of said cryogenic liquid is stored at a first pressure higher than the pressure in said recipient tank and is cooled to a temperature below the equilibrium temperature for said first pressure. The cooled part of said cryogenic liquid is transferred to said recipient tank.
    Type: Grant
    Filed: October 12, 2004
    Date of Patent: November 7, 2006
    Assignee: Linde Aktiengesellschaft
    Inventors: Orvar Svensson, Nils Yngve Appelquist, Kenneth Stig Lindqvist, Hans Gustav Sahlen