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Shanghai, CN
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Patents Grants
last 30 patents
Information
Patent Grant
Wireless signal device, system and method for elevator service request
Patent number
11,939,186
Issue date
Mar 26, 2024
Otis Elevator Company
Kai Li
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Communication for elevator service request
Patent number
11,708,237
Issue date
Jul 25, 2023
Otis Elevator Company
Kai Li
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Testing for wireless beacons of elevator system and field installat...
Patent number
11,524,866
Issue date
Dec 13, 2022
Otis Elevator Company
Kai Li
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Wireless signal device, system and method for elevator service request
Patent number
11,505,425
Issue date
Nov 22, 2022
Otis Elevator Company
Hui Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Elevator service requesting based on social media application module
Patent number
10,645,543
Issue date
May 5, 2020
Otis Elevator Company
Hui Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
AUTHORIZATION MANAGEMENT AND AUTHORIZATION REQUEST OF ELEVATOR SERV...
Publication number
20200031616
Publication date
Jan 30, 2020
Otis Elevator Company
Kai Li
B66 - HOISTING LIFTING HAULING
Information
Patent Application
ELEVATOR SERVICE REQUESTING BASED ON SOCIAL MEDIA APPLICATION MODULE
Publication number
20190349724
Publication date
Nov 14, 2019
Otis Elevator Company
Hui Chen
B66 - HOISTING LIFTING HAULING
Information
Patent Application
COMMUNICATION FOR ELEVATOR SERVICE REQUEST
Publication number
20190330010
Publication date
Oct 31, 2019
Otis Elevator Company
Kai Li
B66 - HOISTING LIFTING HAULING
Information
Patent Application
WIRELESS SIGNAL DEVICE, SYSTEM AND METHOD FOR ELEVATOR SERVICE REQUEST
Publication number
20190330012
Publication date
Oct 31, 2019
Otis Elevator Company
Hui Chen
B66 - HOISTING LIFTING HAULING
Information
Patent Application
WIRELESS SIGNAL DEVICE, SYSTEM AND METHOD FOR ELEVATOR SERVICE REQUEST
Publication number
20190292010
Publication date
Sep 26, 2019
Otis Elevator Company
Kai Li
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AUTHORIZATION MANAGEMENT OF ELEVATOR SERVICE REQUEST
Publication number
20190276275
Publication date
Sep 12, 2019
Otis Elevator Company
Yang Yang
B66 - HOISTING LIFTING HAULING
Information
Patent Application
ELEVATOR SERVICE REQUEST AND OFFLINE AUTHENTICATION OF THE ELEVATOR...
Publication number
20190276273
Publication date
Sep 12, 2019
Otis Elevator Company
Yu Zhang
B66 - HOISTING LIFTING HAULING
Information
Patent Application
AUTHORIZATION MANAGEMENT AND AUTHORIZATION REQUEST OF ELEVATOR SERV...
Publication number
20190276274
Publication date
Sep 12, 2019
Otis Elevator Company
Yang Yang
B66 - HOISTING LIFTING HAULING
Information
Patent Application
TESTING FOR WIRELESS BEACONS OF ELEVATOR SYSTEM AND FIELD INSTALLAT...
Publication number
20190202657
Publication date
Jul 4, 2019
Otis Elevator Company
Kai Li
B66 - HOISTING LIFTING HAULING
Information
Patent Application
BLUETOOTH MODULE OF ELEVATOR SYSTEM
Publication number
20190152742
Publication date
May 23, 2019
Otis Elevator Company
Hui Chen
B66 - HOISTING LIFTING HAULING