Inventor
EHRLICH GERHARD
DE3 patents
Patents
3 patentsUS7130171B2Oct 31, 2006
Apparatus for fail-safely disconnecting an electrical load; in particular in industrial production plants
PILZ GMBH & CO22 citations89
US6825579B2Nov 30, 2004
Safety switching apparatus having a first and a second input switch and method of manufacturing the same
PILZ GMBH & CO23 citations86
US7239048B2Jul 3, 2007
Safety switching apparatus for safely disconnecting an electrical load
PILZ GMBH & CO4 citations60