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KO Kone: 1 patents #351 of 633Top 60%
KC Kone Elevators Co.: 1 patents #20 of 67Top 30%
Overall (All Time): #2,767,847 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11208297 Power switch device for an oiler of an escalator or a moving walk Jian Zhou, Jinming Wang, Hengyuan GAO 2021-12-28