Patent 7788967 was granted and assigned to Praxair on September, 2010 by the United States Patent and Trademark Office.
Methods and apparatuses are disclosed for detecting small leaks in double wall containers using enhanced tracer dispersal and detection techniques. More specifically, economical, substantially closed leak detection apparatuses, methods and systems are disclosed that conserve interstitial fluid between container walls enhancing the duration and sensitivity of leak detection testing.