Another Patent Issued On Our Amperometric Chlorine Analyzer November 11, 2014 – US Patent & Trademark Office issues patent #8,881,581 on another unique feature of our chlorine measurement system sensor.

US Patent Issued To HSI For Our Chlorine Sensor October 30, 2012 – US Patent & Trademark Office issues patent #8,298,391 on our unique water treatment chlorine sensor.

Unique Water Treatment Chlorine Analyzer June 24, 2010 – A US Patent was issued to Halogen Systems Inc. for its unique water treatment chlorine measurement sensor.