Inventor
EKHOLM RALF
FI8 patents
⚠️ This page may combine multiple inventors who share the name “EKHOLM RALF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONE ELEVATOR GMBH
5 patentsUS4838385AJun 13, 1989
Method for coordinating elevator group traffic
KONE ELEVATOR GMBH39 citations91
US4895223AJan 23, 1990
Method for sub-zoning an elevator group
KONE ELEVATOR GMBH40 citations90
US4844204AJul 4, 1989
Procedure for modernizing the control system of a lift
KONE ELEVATOR GMBH45 citations90
US5107962AApr 28, 1992
Vertical transport system in a building
KONE ELEVATOR GMBH14 citations72
US5239142AAug 24, 1993
Selection of an elevator for service based on passenger location and elevator travel time
KONE ELEVATOR GMBH16 citations71