ClassID:

81879

B66B3/023 - CPC Classification

Classification description:

Applications of devices for indicating or signalling operating conditions of elevators; Position or depth indicators characterised by their mounting position

Recent Application in this class:
#1
20250153972
2025-05-15

ELEVATOR CONTROL SYSTEM

#2
20250136409
2025-05-01

AUDIBLE FEEDBACK DEVICE

#3
20250019203
2025-01-16

DUST MITIGATION FOR OPTICAL POSITION REFERENCE SYSTEM OF AN ELEVATOR SYSTEM

#4
20230278827
2023-09-07

ELEVATOR POSITION MEASUREMENT SYSTEM

#5
20230257233
2023-08-17

Elevator system

#6
20230257230
2023-08-17

Elevator system

#7
20210245995
2021-08-12

Measurement and diagnostic of elevator door performance using sound and video

#8
20210078826
2021-03-18

Magnetic tape stabilizing systems

#9
20200385235
2020-12-10

Acquisition of position of elevator car

#10
20200148504
2020-05-14

Monitoring system

#11
20200071124
2020-03-05

Movement-distance measurement apparatus capable of reducing error due to change in angle of maximum reflection intensity according to movement and reducing error due to misalignment of antenna

#12
20190071280
2019-03-07

Elevator sound systems

#13
20180339879
2018-11-29

Elevator doorway display systems for elevator cars

#14
20150314985
2015-11-05

Position recovery via dummy landing patterns

#15
20150075919
2015-03-19

Call panel for an elevator

#16
20150060213
2015-03-05

Connecting device for measurement tapes in elevator devices

#17
20140182978
2014-07-03

Elevator installation maintenance monitoring utilizing a door acceleration sensor

#18
20130001023
2013-01-03

Elevator position detection with optical marking units

#19
20110168496
2011-07-14

Elevator installation maintenance monitoring utilizing a door acceleration sensor

#20
20060054421
2006-03-16

Elevator operating panel