JH

James L. Hubbard

OE Otis Elevator: 1 patents #28 of 100Top 30%
Overall (2025): #355,996 of 469,880Top 80%
1
Patents 2025

Issued Patents 2025

Patent #TitleCo-InventorsDate
12214994 Brake disc releasing device, turning device, elevator rescue kit and method Fengkun Zhu, Hongliang Wu 2025-02-04