Patents Assigned to Watermark Technologies
  • Augmented electrolytic precipitation of metals, method and apparatus
    Patent number: 6264845
    Abstract: The invention is directed to a method and pressurized apparatus for removing anions and cations of transition and post-transition metals from aqueous solutions comprising a continuous flow electrolytic cell. Also a method for determining the amount of arsenic in each of its states present in a solution and a method of creating iron III hydroxide, aluminum hydroxide, and manganese dioxide for use as filter or adsorption media.
    Type: Grant
    Filed: September 1, 1999
    Date of Patent: July 24, 2001
    Assignee: Watermark Technologies
    Inventors: Loren P. Higby, Travis P. Higby