Patents by Inventor Jacques Defays

Jacques Defays 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).

  • Liquid steel bath reheating method
    Patent number: 5316566
    Abstract: A method for metallothermally reheating a liquid steel bath in a metallurgical container into which a metal fuel is placed and oxidizing and agitating gases are injected under its surface. A controllable flow resulting from the injection of agitating gas is generated in the bath by means of a device which is separate from the oxidizing gas injection device, and the metal fuel is inserted into said flow so that it comes into contact with said oxidizing gas.
    Type: Grant
    Filed: December 10, 1992
    Date of Patent: May 31, 1994
    Assignee: Cockerill Sambre S.A.
    Inventor: Jacques Defays