Patents Assigned to Water Technology Service, Inc.
  • Water treatment device with transistorized circuit
    Patent number: 3957617
    Abstract: An electrical liquid treatment apparatus for eliminating and preventing hardness effects includes an enlarged fitting adapted for coupling in a flow line and a screen insulatively supported in the fitting with an electric potential applied between the screen and the fitting, and a cleaning device having sharp edges is positioned in the fitting to clean mineral and other deposits from the screen.
    Type: Grant
    Filed: May 22, 1975
    Date of Patent: May 18, 1976
    Assignee: Water Technology Service, Inc.
    Inventors: Henry S. Aber, Dean D. Riggs, John Lamantia
  • Process of water treatment
    Patent number: 3954589
    Abstract: An electrical liquid treatment apparatus for eliminating and preventing hardness effects includes an enlarged fitting adapted for coupling in a flow line and a screen insulatively supported in the fitting with an electric potential applied between the screen and the fitting, and a cleaning device having sharp edges is positioned in the fitting to clean mineral and other deposits from the screen.
    Type: Grant
    Filed: May 22, 1975
    Date of Patent: May 4, 1976
    Assignee: Water Technology Service, Inc.
    Inventors: Henry S. Aber, Dean D. Riggs, John Lamantia