Inventor

STEN URPO

FI3 patents

⚠️ This page may combine multiple inventors who share the name “STEN URPO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

KONE ELEVATOR GMBH

2 patents

US4737900AApr 12, 1988

Method of and apparatus for controlling the braking resistor of a frequency converter

KONE ELEVATOR GMBH5 citations59

US4799139AJan 17, 1989

Voltage regulation for three-phase inverters

KONE ELEVATOR GMBH4 citations57

ELEVATOR GMBH

1 patent

US4742893AMay 10, 1988

Signalling procedure for a lift and a signalling system

ELEVATOR GMBH22 citations78