Patents Assigned to Watermation, Inc.
  • Automatic activated sludge control system
    Patent number: 4168233
    Abstract: A system for automatically extracting samples of sludge and mixed liquor from a sewage treatment plant, delivering them to a testing settleometer jar and centrifuge and measuring the rate of settling of sludge and suspended solids in the test samples.
    Type: Grant
    Filed: August 16, 1978
    Date of Patent: September 18, 1979
    Assignee: Watermation, Inc.
    Inventor: James J. Anderson