Inventor
HUANG WENBO
CN22 patents
⚠️ This page may combine multiple inventors who share the name “HUANG WENBO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OTIS ELEVATOR CO
12 patentsUS10589961B2Mar 17, 2020
Maintenance monitoring of passenger carrying system
OTIS ELEVATOR CO2 citations72
US12371303B2Jul 29, 2025
Maintenance trajectory tracing for elevator system
OTIS ELEVATOR CO0 citations62
US11643299B2May 9, 2023
Communication system and method for elevator system
OTIS ELEVATOR CO1 citations62
US11440768B2Sep 13, 2022
Acquisition of position of elevator car
OTIS ELEVATOR CO0 citations59
US11964847B2Apr 23, 2024
System and method for detecting passengers movement, elevator-calling control method, readable storage medium and elevator system
OTIS ELEVATOR CO0 citations58
US12240732B2Mar 4, 2025
Notification system and method for an elevator and an elevator system
OTIS ELEVATOR CO0 citations57
US11332341B2May 17, 2022
Personal mobile terminal and a method of requesting elevator service
OTIS ELEVATOR CO1 citations57
US11584616B2Feb 21, 2023
Maintenance of passenger carrying system
OTIS ELEVATOR CO0 citations51
US11584613B2Feb 21, 2023
Determination for motion of passenger over elevator landing area
OTIS ELEVATOR CO0 citations51
US11447366B2Sep 20, 2022
Determination for motion of passenger over elevator car
OTIS ELEVATOR CO0 citations51
US11577930B2Feb 14, 2023
Automatic elevator calling system and a method for controlling automatic calling elevator
OTIS ELEVATOR CO0 citations45
US11524867B2Dec 13, 2022
Determination of non-normal elevator calling request in an automatic elevator calling request system
OTIS ELEVATOR CO0 citations45
ZHEJIANG SUNNY OPTICAL CO LTD
3 patentsUS11796765B2Oct 24, 2023
Optical imaging system
ZHEJIANG SUNNY OPTICAL CO LTD0 citations62
US11874439B2Jan 16, 2024
Optical imaging lens including seven lenses of −−++−+−, −+++−+− or −−++−++ refractive powers
ZHEJIANG SUNNY OPTICAL CO LTD0 citations52
US11598936B2Mar 7, 2023
Optical imaging lens assembly
ZHEJIANG SUNNY OPTICAL CO LTD0 citations52
GUANGZHOU INST ENERGY CONVERSION CAS
3 patentsUS11408646B2Aug 9, 2022
Ladder-structural gravity-assisted-heat-pipe geothermal energy recovery system without liquid-accumulation effect
GUANGZHOU INST ENERGY CONVERSION CAS0 citations44
US12305895B2May 20, 2025
Heat pump system and method for implementing efficient evaporation by using geothermal well
GUANGZHOU INST ENERGY CONVERSION CAS0 citations39
US12152810B2Nov 26, 2024
Heat-pipe type heat extraction integrated with combined cooling power and heating exploitation-utilization integrated geothermal system
GUANGZHOU INST ENERGY CONVERSION CAS0 citations39