Fujitsu LimitedFor preparing chemical solutions having high purity grades and used to fabricate electronic devices, such as semiconductor devices, from chemical gases having industrial chemical gradesUS7802741May 14, 2008Sep 28, 2010Environment One CorporationPump assemblies having a quick-release latching mechanism and methods for securing pump assemblies in a tankUS7818093 *Apr 27, 2007Oct 19, 2