Patents by Inventor Ronald Keith Dawson

Ronald Keith Dawson 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).

  • Filter cleaning
    Patent number: 5916431
    Abstract: During filtration, periodic application of a potential difference between an electrically conducting filter medium and counter electrode (as anode) generates a gaseous product at the filter and cleans the filter. To minimise corrosion the counter electrode is of low chromium stainless steel, for example 9% chromium.
    Type: Grant
    Filed: November 10, 1994
    Date of Patent: June 29, 1999
    Assignee: AEA Technology plc
    Inventors: Andrew Derek Turner, Ronald Keith Dawson