Patents by Inventor Stephen W. Kew

Stephen W. Kew 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).

  • Processes for the scrubbing of exhaust gas streams
    Patent number: 5951742
    Abstract: A process for the scrubbing of undesirable substances from an exhaust gas stream which comprises passing the stream through a hollow cathode.
    Type: Grant
    Filed: July 23, 1997
    Date of Patent: September 14, 1999
    Assignee: The BOC Group plc
    Inventors: Michael J. Thwaites, Stephen W. Kew