China
2
2024-07-04
2
2024-10-29
These are the the leading inventors for applications assigned to DONGNAN ELEVATOR CO., LTD.:
DONGNAN ELEVATOR CO., LTD. based in , CN has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Collaborative scheduling method for high-rise elevators based on internet of things
#2 | 2013-09-12 ✅ Patent 9,242,836 granted on 2016-01-26Apparatus and method for automatically adjusting the tension of a flexible guide rail
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