Patents by Inventor David Lenhert

David Lenhert 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).

  • Patent number: 8425870
    Abstract: A hot oxygen stream containing radicals is fed into a gas stream, such as a catalyst regenerator flue gas stream, that contains carbon monoxide to convert carbon monoxide to carbon dioxide.
    Type: Grant
    Filed: May 6, 2011
    Date of Patent: April 23, 2013
    Assignee: Praxair Technology, Inc.
    Inventors: Kuang-Tsai Wu, Lee Rosen, David Lenhert, Christopher Leger
  • Publication number: 20110207063
    Abstract: A hot oxygen stream containing radicals is fed into a gas stream, such as a catalyst regenerator flue gas stream, that contains carbon monoxide to convert carbon monoxide to carbon dioxide.
    Type: Application
    Filed: May 6, 2011
    Publication date: August 25, 2011
    Inventors: Kuang-Tsai Wu, Lee Rosen, David Lenhert, Christopher Leger
  • Patent number: 7959892
    Abstract: A hot oxygen stream containing radicals is fed into a gas stream, such as a catalyst regenerator flue gas stream, that contains carbon monoxide to convert carbon monoxide to carbon dioxide.
    Type: Grant
    Filed: June 18, 2008
    Date of Patent: June 14, 2011
    Assignee: Praxair Technology, Inc.
    Inventors: Kuang-Tsai Wu, Lee Rosen, David Lenhert, Christopher Leger
  • Publication number: 20090314190
    Abstract: A hot oxygen stream containing radicals is fed into a gas stream, such as a catalyst regenerator flue gas stream, that contains carbon monoxide to convert carbon monoxide to carbon dioxide.
    Type: Application
    Filed: June 18, 2008
    Publication date: December 24, 2009
    Inventors: Kuang-Tsai Wu, Lee Rosen, David Lenhert, Christopher Leger