Inventor
PERALA PEKKA
FI3 patents
Patents
3 patentsUS7484598B2Feb 3, 2009
Positioning method in an elevator system
KONE CORP41 citations90
US6863161B2Mar 8, 2005
Method and arrangement for telemonitoring an elevator to determine its need for maintenance
KONE CORP36 citations88
US7703579B2Apr 27, 2010
Positioning method in an elevator system
KONE CORP15 citations82