Inventor
VIITA-AHO TARVO
FI20 patents
⚠️ This page may combine multiple inventors who share the name “VIITA-AHO TARVO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONE CORP
18 patentsUS8365873B2Feb 5, 2013
Method and arrangement for preventing the unintended drifting of an elevator car
KONE CORP27 citations87
US11414303B2Aug 16, 2022
Method for modernizing elevator system
KONE CORP8 citations83
US11498812B2Nov 15, 2022
Elevator landing door assembly and its installation method
KONE CORP2 citations72
US11034552B2Jun 15, 2021
Passenger conveyor
KONE CORP1 citations62
US11834298B2Dec 5, 2023
Method for modernizing elevator system
KONE CORP0 citations60
US10662028B2May 26, 2020
Method for moving an elevator car
KONE CORP1 citations60
US12252376B2Mar 18, 2025
Method for releasing safety gears, and a stalling detector
KONE CORP0 citations59
US11993482B2May 28, 2024
Method and arrangement
KONE CORP1 citations57
US12441585B2Oct 14, 2025
Elevator system with method of position detection of a car
KONE CORP0 citations55
US11535485B2Dec 27, 2022
Method for controlling an elevator
KONE CORP1 citations55
US12421082B2Sep 23, 2025
Method and elevator arrangement
KONE CORP0 citations51
US12195303B2Jan 14, 2025
Self-climbing elevator machine room for use during the construction of a building
KONE CORP0 citations50
US11731857B2Aug 22, 2023
Movable machine room, elevator arrangement and method for constructing elevator
KONE CORP0 citations49
US11679958B2Jun 20, 2023
Safety gear arrangement, elevator system, and method for operating a safety gear of an elevator system
KONE CORP0 citations49
US11447370B2Sep 20, 2022
Method for constructing elevator
KONE CORP0 citations49
US12043522B2Jul 23, 2024
Method for constructing elevator and elevator
KONE CORP0 citations48
US12448249B2Oct 21, 2025
Method for constructing elevator and such elevator
KONE CORP0 citations47
US11713215B2Aug 1, 2023
Elevator arrangement
KONE CORP0 citations46