3 Patents
- US121226402024Heating Control Device and Method for Escalator System or Moving Sidewalk System
OTIS ELEVATOR COMPANY
0 cites - US119934862024Apparatus and Method for Controlling Passenger Transportation Device
OTIS ELEVATOR COMPANY
0 cites - US117647162023Determination of Operation Mode for AC Asynchronous Three-phrase Motor in Escalator System
OTIS ELEVATOR COMPANY
0 cites