Patents/Inventors

Tarvo Viita-aho

HelsinkiFI10 patents

11 Patents

US124482492025
Method for Constructing Elevator and Such Elevator
Kone Corporation
0 cites
US124415852025
Elevator System with Method of Position Detection of a Car
KONE CORPORATION
0 cites
US124210822025
Method and Elevator Arrangement
Kone Corporation
0 cites
US122523762025
Method for Releasing Safety Gears, and a Stalling Detector
KONE CORPORATION
0 cites
US121953032025
Self-climbing Elevator Machine Room for Use During the Construction of a Building
Kone Corporation
0 cites
US120435222024
Method for Constructing Elevator and Elevator
Kone Corporation
0 cites
US119934822024
Method and Arrangement
Kone Corporation
0 cites
US118342982023
Method for Modernizing Elevator System
KONE CORPORATION
0 cites
US117318572023
Movable Machine Room, Elevator Arrangement and Method for Constructing Elevator
Kone Corporation
0 cites
US117132152023
Elevator Arrangement
KONE CORPORATION
0 cites
US116799582023
Safety Gear Arrangement, Elevator System, and Method for Operating a Safety Gear of an Elevator System
Kone Corporation
0 cites