Certifications & Patents

European CE Mark Granted by NCEE Labs May 4, 2020.

U.S. PATENTS granted to HVLPO2, LLC dba High Volume Oxygen for

Method and Apparatus for Managing Oxygen Generating System

• 8,702,840 granted April 22, 2014
• 8,876,941 granted November 4, 2014
• 9,139,434 granted September 22, 2015
• 9,372,488 granted June 21, 2016
• 10,073,441 granted September 11, 2018