ClassID:

132355

E05B19/0023 - CPC Classification

Classification description:

Keys; Accessories therefor; Key profiles characterized by variation of the contact surface between the key and the tumbler pins or plates

Recent Application in this class:
#1
20250263950
2025-08-21

KEY ELEMENT, LOCK CYLINDER, LOCKING SYSTEM, AND METHOD

#2
20240426134
2024-12-26

KEY AND KEY BLANKS OPERABLE IN VERTICALLY AND HORIZONTALLY ORIENTED KEYWAYS

#3
20230295955
2023-09-21

Lock system with auxiliary pin tumbler stack

#4
20220074230
2022-03-10

LOCK SYSTEM WITH ENHANCED KEYWAY VARIABILITY

#5
20210230901
2021-07-29

Key and key blanks operable in vertically and horizontally oriented keyways

#6
20180179784
2018-06-28

Safety trapped key interlock system

#7
20170204634
2017-07-20

Lock

#8
20170152678
2017-06-01

Lock cylinders and control keys

#9
20170081880
2017-03-23

BLANK KEY, A LOCK SET WITH A SECURITY MECHANISM AND METHOD FOR PRODUCING SAME

#10
20170081879
2017-03-23

BLANK KEY, A LOCK SET WITH A SECURITY MECHANISM AND METHOD FOR PRODUCING SAME

#11
20160290007
2016-10-06

Key and lock

#12
20160194900
2016-07-07

Key cylinder device

#13
20160145896
2016-05-26

Locking system, key and key blank

#14
20160017637
2016-01-21

Cylinder lock and key combination with a dual tumbler assembly and a key therefore

#15
20150345177
2015-12-03

Eliminating maximum adjacent cut specification restrictions for telescoping pins

#16
20150300044
2015-10-22

Disc tumbler cylinder lock and key combination

#17
20150240522
2015-08-27

Variable progression key notching system

#18
20150211256
2015-07-30

Cylinder lock configured to be operated by a flat-bladed key

#19
20150211255
2015-07-30

Flat-bladed key

#20
20150121977
2015-05-07

KEY AND CYLINDER LOCKING ASSEMBLY CORRESPONDING TO SAID KEY

#21
20150013404
2015-01-15

Key and cylinder locking assembly corresponding to said key

#22
20130298623
2013-11-14

Variable section key and lock

#23
20130091911
2013-04-18

Cylinder lock assembly with non-rotating elements

#24
20120272699
2012-11-01

Lock-key system

#25
20120073340
2012-03-29

Lock and key with double code pattern

#26
20120055212
2012-03-08

Key and lock assemblies

#27
20110265530
2011-11-03

Key and lock assemblies

#28
20110126600
2011-06-02

CYLINDER LOCK WITH CYLINDER HOUSING AND FLAT KEY FOR A CYLINDER LOCK

#29
20100319422
2010-12-23

Locking device and key for a locking device

#30
20090301149
2009-12-10

Lock and key system with extra code combinations

#31
20090193862
2009-08-06

LOCK WITH COMBINATION PINS OF NON-CIRCULAR SECTION AND ECCENTRICITY CAPABLE OF BEING POSITIONED IN ROTATION AND LOCK KEY WITH COMBINATION INDENTATIONS DIFFICULT TO REPRODUCE FRAUDULENTLY

#32
20090113965
2009-05-07

IMPROVED LOCKING APPARATUS

#33
20080223097
2008-09-18

Hierarchical cylinder lock systems

#34
20080053173
2008-03-06

Lock and key system with extra code combinations

#35
20070220937
2007-09-27

Key blank with projection

#36
20070051147
2007-03-08

Lock and key system with extra code combinations

#37
20070028658
2007-02-08

Lock and key system with improved tumblers in the lock

#38
20060207304
2006-09-21

Lock and key system with extra code combinations

#39
20060207303
2006-09-21

Backward compatible lock system, key blanks and keys therefor

#40
20060042335
2006-03-02

Cylinder lock device

#41
20060021405
2006-02-02

Lock system with improved auxiliary pin tumbler stack

#42
20050061043
2005-03-24

Lock and key system with extra code combinations

#43
16164212
2019-11-12

Cylinder lock and key combination providing extra code combinations

#44
12074657
2017-08-01

Lock pin rotational position setting key and method of use