Patents by Inventor Susan Leanne Wesno

Susan Leanne Wesno 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).

  • High purity water production using ion exchange
    Patent number: 6267891
    Abstract: A method of producing high purity water using weak acid cation exchange for dealkalization and a double pass reverse osmosis membrane system having enhanced membrane life.
    Type: Grant
    Filed: July 30, 1999
    Date of Patent: July 31, 2001
    Assignee: Zenon Environmental Inc.
    Inventors: Anthony A. Tonelli, Eric Harrison, Susan Leanne Wesno, Hadi Husain, Andrew Benedek
  • High purity water production
    Patent number: 6258278
    Abstract: A method of producing high purity water using dealkalization and a double pass reverse osmosis membrane system having enhanced membrane life.
    Type: Grant
    Filed: June 11, 1999
    Date of Patent: July 10, 2001
    Assignee: Zenon Environmental, Inc.
    Inventors: Anthony A. Tonelli, Eric Harrison, Susan Leanne Wesno, Hadi Husain, Andrew Benedek