SeQual Technologies Inc., a manufacturer of medical and industrial oxygen concentrators and other air separation equipment, was aquired by Chart Industries, Inc. in 2010. SeQual develops proprietary air separation systems and has become a leading provider of such systems for industrial and medical uses. With its patented ATF system, SeQual was able to engineer a system that is fully scalable for large and small applications. The ATF represents a major breakthrough in concentrator design and firmly establishes the company as a leading innovator in the field. Its industrial oxygen systems, including the Workhorse, are used for ozone production in applications like water treatment for pools, drinking water, and food processing and in other applications using oxygen directly, like fish farming. SeQualâs industrial nitrogen systems are used for applications like beverage-dispense and food preservation. SeQualâs line of medical oxygen concentrators ranges from its, award-winning, Eclipse oxygen system to its Integra high-capacity (10 LPM) bedside uni