Membrane modules that contain one or more hydrogen-selective membranes, methods for preparing the same, and hydrogen purification systems, fuel processors and devices containing the same. In some embodiments, the membrane modules include one or more hydrogen-selective membranes supported on a screen...http://www.google.com/patents/US6458189?utm_source=gb-gplus-sharePatent US6458189 - Hydrogen-selective metal membrane modules and method of forming the same