Patent 8418732 was granted and assigned to AIR PRODUCTS AND CHEMICALS, INC. on April, 2013 by the United States Patent and Trademark Office.
Compressed gas delivery system and process for use thereof wherein compressed gases are withdrawn from compressed gas storage vessels, passed through pressure regulated flow control valves and critical flow venturis to control the mass flow rates of the compressed gases forming the blend of the compressed gases prior to dispending the blend.