Patents by Inventor Sara Hornby-Anderson

Sara Hornby-Anderson 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).

  • Lance for discharging liquid nitrogen or liquid argon into a furnace throughout the production of molten metal
    Patent number: 4848751
    Abstract: Liquid argon or nitrogen is poured with a lance into a furnace during the production of molten metal.According to the invention, the lance comprises a double wall in which a hole is respectively located in order to vent the argon or nitrogen gas to reduce the rate of diphasic. The tip of the lance is equipped with a diffuser to improve the liquid discharge.
    Type: Grant
    Filed: September 30, 1987
    Date of Patent: July 18, 1989
    Assignee: L'Air Liquide
    Inventors: Noel F. Lutgen, Sara Hornby-Anderson