An agitator capable of generating complex mixing motions is described. In some embodiments, an agitator in accordance with the present teachings includes a movable assembly that is suspended, via several resilient supports, from a frame. The movable assembly receives a vessel containing a material(s)...http://www.google.es/patents/US5988869?utm_source=gb-gplus-sharePatente US5988869 - Agitator for orbital agitation
