Patents by Inventor Lioyd W. Johnson

Lioyd W. Johnson 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 water and wastewater treatment, Including stationary cloth media filtration
    Publication number: 20110120960
    Abstract: The present invention relates to stationary cloth media filtration systems and devices, as well as processes and devices for uniform flow distribution and improved cloth media filter backwashing.
    Type: Application
    Filed: December 7, 2010
    Publication date: May 26, 2011
    Inventors: David Smith, Paul A. Hughes, Lioyd W. Johnson, Peter G. Baumann