Patents by Inventor William C. Tzavos

William C. Tzavos 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).

  • Process and apparatus for automatically controlling the acid concentration in gas scrubbing solution
    Patent number: 4172880
    Abstract: Optimum concentration of the acid-scrubbing solution employed in a scrubbing tower for removal of malodorous and/or toxic gases from the air is maintained automatically in a control system which senses the electrical conductivity of the solution to control acid-feeding apparatus. High and low concentration alarms are also provided to warn of malfunction.
    Type: Grant
    Filed: June 27, 1978
    Date of Patent: October 30, 1979
    Assignee: Pettibone Corporation
    Inventor: William C. Tzavos