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DIFF Class Not Allocatable
E05

LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES

Description

Class E05 covers mechanical locking devices, key mechanisms, and hardware for securing doors and windows, as well as security containers. This includes padlocks, cylinder locks, mortise locks, latches, bolts, hinges, handles, and related fastening components for building access control. The class also encompasses safes, strong boxes, and other protective enclosures designed to prevent unauthorized entry or theft. Associated technologies such as key blanks, lock springs, and strike plates fall within this scope, though electronic locking systems are typically classified elsewhere.

Of 6 combined children, 5 exist in both systems.

1 codes are CPC-only extensions.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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Top Applicants

Top Applicants (IPC)

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)

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