Description  Claims  Drawing  Cited references 

US5518179A   [0001] 
WO2009150619A   [0001] 
US4533082A   [0012] 
US5487378A   [0013] 
US5478378A   [0013]  [0013] 
US5823428A   [0014]  [0015] 
US6581852B   [0015]  [0015]  [0027] 
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US6113001A   [0016] 
EP1205199A1   [0017] 
EP2293882A   [0028] 
WO2012156724A   [0054]