Description  Claims  Drawing  Cited references 

US5463725A   [0006] 
US2010045616A1   [0007] 
US20001024195A1   [0008] 
CN101794191A   [0009] 
EP2104026A2   [0010]  [0010] 
US2006277478A1   [0011] 
US6448986B1   [0012]