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Patents Grants
last 30 patents
Information
Patent Grant
Heating control device and method for escalator system or moving si...
Patent number
12,122,640
Issue date
Oct 22, 2024
Otis Elevator Company
Xinwei Gong
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Apparatus and method for controlling passenger transportation device
Patent number
11,993,486
Issue date
May 28, 2024
Otis Elevator Company
Lifei Cheng
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Determination of operation mode for AC asynchronous three-phrase mo...
Patent number
11,764,716
Issue date
Sep 19, 2023
Otis Elevator Company
Lifei Cheng
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Speed detection device and passenger conveyer device
Patent number
11,078,050
Issue date
Aug 3, 2021
Otis Elevator Company
Lifei Cheng
G01 - MEASURING TESTING
Information
Patent Grant
Monitoring system of a passenger conveyor, a passenger conveyor, an...
Patent number
10,479,653
Issue date
Nov 19, 2019
Otis Elevator Company
Qiang Li
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Speed detection system of passenger conveyor and speed detection me...
Patent number
10,364,130
Issue date
Jul 30, 2019
Otis Elevator Company
Yanying Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Monitoring system of a passenger conveyor and monitoring method the...
Patent number
10,282,847
Issue date
May 7, 2019
Otis Elevator Company
JianGuo Li
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
System of monitoring handrail for a passenger conveyer device, a pa...
Patent number
10,221,046
Issue date
Mar 5, 2019
Otis Elevator Company
ZhaoXia Hu
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
System and method for monitoring handrail entrance of passenger con...
Patent number
10,214,391
Issue date
Feb 26, 2019
Otis Elevator Company
LongWen Wang
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Monitoring of step rollers and maintenance mechanics of passenger c...
Patent number
10,183,843
Issue date
Jan 22, 2019
Otis Elevator Company
ZhaoXia Hu
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
System of monitoring handrail for a passenger conveyer device, a pa...
Patent number
10,173,864
Issue date
Jan 8, 2019
Otis Elevator Company
ZhaoXia Hu
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Detection of state of engagement between step and comb plate of pas...
Patent number
10,071,884
Issue date
Sep 11, 2018
Otis Elevator Company
JianGuo Li
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Monitoring system of a passenger conveyor, a passenger conveyor, an...
Patent number
10,059,569
Issue date
Aug 28, 2018
Otis Elevator Company
Hui Fang
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
System of monitoring handrail for a passenger conveyer device, a pa...
Patent number
10,046,952
Issue date
Aug 14, 2018
Otis Elevator Company
ZhaoXia Hu
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Sensor assembly, security system and passenger conveyor
Patent number
9,884,749
Issue date
Feb 6, 2018
Otis Elevator Company
LingHao Tian
B66 - HOISTING LIFTING HAULING
Patents Applications
last 30 patents
Information
Patent Application
AUTOMATIC CONVEYING DEVICE, METHOD FOR DETERMINING THE PRESENCE OF...
Publication number
20240417221
Publication date
Dec 19, 2024
Otis Elevator Company
Wentong Liu
B66 - HOISTING LIFTING HAULING
Information
Patent Application
AUTOMATIC CONVEYING DEVICE AND MAINTENANCE METHOD THEREFOR
Publication number
20240367944
Publication date
Nov 7, 2024
Otis Elevator Company
Xinwei Gong
B66 - HOISTING LIFTING HAULING
Information
Patent Application
APPARATUS AND METHOD FOR CONTROLLING AN ESCALATOR SYSTEM OR AN AUTO...
Publication number
20240253951
Publication date
Aug 1, 2024
Otis Elevator Company
Wentong Liu
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
HEATING CONTROL DEVICE AND METHOD FOR ESCALATOR SYSTEM OR MOVING SI...
Publication number
20240010468
Publication date
Jan 11, 2024
Otis Elevator Company
Xinwei Gong
B66 - HOISTING LIFTING HAULING
Information
Patent Application
DETERMINATION OF OPERATION MODE FOR AC ASYNCHRONOUS THREE-PHRASE MO...
Publication number
20230318502
Publication date
Oct 5, 2023
Otis Elevator Company
Lifei Cheng
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
APPARATUS AND METHOD FOR CONTROLLING PASSENGER TRANSPORTATION DEVICE
Publication number
20230094547
Publication date
Mar 30, 2023
Otis Elevator Company
Lifei Cheng
B66 - HOISTING LIFTING HAULING
Information
Patent Application
SPEED DETECTION DEVICE AND PASSENGER CONVEYER DEVICE
Publication number
20190263634
Publication date
Aug 29, 2019
Otis Elevator Company
Lifei Cheng
B66 - HOISTING LIFTING HAULING
Information
Patent Application
SYSTEM OF MONITORING HANDRAIL FOR A PASSENGER CONVEYER DEVICE, A PA...
Publication number
20180257912
Publication date
Sep 13, 2018
Otis Elevator Company
ZhaoXia Hu
B66 - HOISTING LIFTING HAULING
Information
Patent Application
SYSTEM AND METHOD FOR MONITORING HANDRAIL ENTRANCE OF PASSENGER CON...
Publication number
20180029840
Publication date
Feb 1, 2018
Otis Elevator Company
LongWen Wang
B66 - HOISTING LIFTING HAULING
Information
Patent Application
MONITORING OF STEP ROLLERS AND MAINTENANCE MECHANICS OF PASSENGER C...
Publication number
20180029834
Publication date
Feb 1, 2018
Otis Elevator Company
ZhaoXia Hu
B66 - HOISTING LIFTING HAULING
Information
Patent Application
MONITORING SYSTEM OF A PASSENGER CONVEYOR, A PASSENGER CONVEYOR, AN...
Publication number
20180029835
Publication date
Feb 1, 2018
Otis Elevator Company
Qiang Li
B66 - HOISTING LIFTING HAULING
Information
Patent Application
TEMPERATURE MONITORING SYSTEM, PASSENGER CONVEYOR AND TEMPERATURE M...
Publication number
20180029836
Publication date
Feb 1, 2018
Otis Elevator Company
Yanying Chen
G01 - MEASURING TESTING
Information
Patent Application
SENSOR ASSEMBLY, SECURITY SYSTEM AND PASSENGER CONVEYOR
Publication number
20180029837
Publication date
Feb 1, 2018
Otis Elevator Company
LingHao Tian
B66 - HOISTING LIFTING HAULING
Information
Patent Application
SPEED DETECTION SYSTEM OF PASSENGER CONVEYOR AND SPEED DETECTION ME...
Publication number
20180029839
Publication date
Feb 1, 2018
Otis Elevator Company
Yanying Chen
G01 - MEASURING TESTING
Information
Patent Application
BIG DATA ANALYZING AND PROCESSING SYSTEM AND METHOD FOR PASSENGER C...
Publication number
20180032598
Publication date
Feb 1, 2018
Otis Elevator Company
Alois Senger
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SYSTEM OF MONITORING HANDRAIL FOR A PASSENGER CONVEYER DEVICE, A PA...
Publication number
20180029833
Publication date
Feb 1, 2018
Otis Elevator Company
ZhaoXia Hu
B66 - HOISTING LIFTING HAULING
Information
Patent Application
MONITORING SYSTEM OF A PASSENGER CONVEYOR, A PASSENGER CONVEYOR, AN...
Publication number
20180029838
Publication date
Feb 1, 2018
Otis Elevator Company
Hui Fang
B66 - HOISTING LIFTING HAULING
Information
Patent Application
DETECTION OF STATE OF ENGAGEMENT BETWEEN STEP AND COMB PLATE OF PAS...
Publication number
20180029841
Publication date
Feb 1, 2018
Otis Elevator Company
JianGuo Li
B66 - HOISTING LIFTING HAULING
Information
Patent Application
MONITORING SYSTEM OF A PASSENGER CONVEYOR AND MONITORING METHOD THE...
Publication number
20180029842
Publication date
Feb 1, 2018
Otis Elevator Company
JianGuo Li
B66 - HOISTING LIFTING HAULING