Patents by Inventor Thomas Joseph Ward

Thomas Joseph Ward 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).

  • High temperature oxygen production for ironmaking processes
    Patent number: 5643354
    Abstract: A direct ironmaking process in which coal and oxygen are used directly for reducing ore and smelting the resulting sponge iron wherein a high-temperature ion transport membrane process recovers oxygen for use in the ironmaking process. Heat for oxygen recovery is provided by combustion of medium-BTU fuel gas generated by the ironmaking process and/or by heat exchange with hot gas provided by the ironmaking process. The ironmaking and oxygen recovery processes can be integrated with a combined cycle power generation system to provide an efficient method for the production of iron, oxygen, and electric power.
    Type: Grant
    Filed: April 6, 1995
    Date of Patent: July 1, 1997
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Rakesh Agrawal, Michael Shi-Kuan Chen, Arthur Ramsden Smith, Robert Michael Thorogood, Thomas Joseph Ward