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DIFF Subclass Not Allocatable
E05B

LOCKS; ACCESSORIES THEREFOR; HANDCUFFS

Introduced: September 1968

Description

E05B covers the design and construction of locks and their constituent components, including mechanisms for securing doors, windows, and other movable barriers. This subclass encompasses mechanical locking devices operated by keys, combination locks, padlocks, and electronic lock systems, along with internal parts such as cylinders, tumblers, and bolts. The classification also includes handcuffs and similar restraint devices, as well as accessories and replacement parts integral to lock functionality. Related lock-mounting hardware and security fittings fall within this scope, excluding only the decorative or purely architectural treatment of doors and windows, which are addressed in adjacent classes.

Additional Content IPC

Locking doors simultaneously in passenger vehicles

Of 43 combined children, 42 exist in both systems.

1 codes exist only in IPC.

20 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • E05B 23/00 Locks with lamelliform tumblers in which the tumblers follow the movement of the bolt IPC+CPC Available in IPC and CPC
  • E05B 31/00 Cylinder locks with both tumbler pins or balls and plate tumblers IPC+CPC Available in IPC and CPC
  • E05B 33/00 Cylinder locks in which the bolt is moved by means other than the key IPC+CPC Available in IPC and CPC
  • E05B 41/00 Locks with visible indication as to whether the lock is locked or unlocked IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class E05,2013–2023, worldwide · Source: EPO PATSTAT

  1. KIEKERT DE 2,762
  2. HYUNDAI MOTOR COMPANY KR 1,316
  3. JULIUS BLUM AT 1,088
  4. FORD GLOBAL TECHNOLOGIES US 1,061
  5. HAIER SMART HOME 936
  6. KIA MOTORS CORPORATION KR 909
  7. HUF HUELSBECK & FUERST & COMPANY DE 887
  8. LG ELECTRONICS KR 872
  9. TOKAI RIKA COMPANY 813
  10. GEZE DE 807

Top Applicants (CPC)

Class E05,2013–2023, worldwide · Source: EPO PATSTAT

  1. KIEKERT DE 2,802
  2. HYUNDAI MOTOR COMPANY KR 1,609
  3. LG ELECTRONICS KR 1,467
  4. FORD GLOBAL TECHNOLOGIES US 1,465
  5. JULIUS BLUM AT 1,240
  6. KIA MOTORS CORPORATION KR 1,164
  7. HUF HUELSBECK & FUERST & COMPANY DE 1,005
  8. SAMSUNG ELECTRONICS COMPANY KR 928
  9. GEZE DE 809
  10. SCHLAGE LOCK COMPANY US 790