Patents by Inventor Peter K. Stephenson

Peter K. Stephenson 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).

  • Fluid-cooled hollow copper electrodes and their use in corona or ozone applications
    Patent number: 5401368
    Abstract: A hollow elongated copper corona electrode that contains a dielectric coating and is cooled by a fluid, such as a water-base liquid, being fed through the electrode and a process for using such an electrode in a corona apparatus or in an ozone generator.
    Type: Grant
    Filed: April 23, 1993
    Date of Patent: March 28, 1995
    Assignee: Praxair S.T. Technology, Inc.
    Inventors: Keith G. Ford, Peter K. Stephenson, Russell B. Hatch