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DIFF Main Group
E05B 21/00

Locks with lamelliform tumblers in which the tumblers do not follow the movement of the bolt

Introduced: September 1968

Title

Titles differ between systems:

IPC: Locks with rotary keys moving lamelliform tumblers perpendicular to the key, in which the tumblers do not follow the movement of the bolt

CPC: Locks with lamelliform tumblers in which the tumblers do not follow the movement of the bolt

Full Title

Full titles differ between systems:

IPC:

Locks with rotary keys moving lamelliform tumblers perpendicular to the key, in which the tumblers do not follow the movement of the bolt

CPC:

Locks with lamelliform tumblers in which the tumblers do not follow the movement of the bolt

Of 5 combined children, 1 exist in both systems.

2 codes are CPC-only extensions, 2 exist only in IPC.

Child Classifications

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  • E05B 21/003 CPC only CPC only
  • E05B 21/006 CPC only CPC only
  • E05B 21/02 with identical tumblers IPC only IPC only
  • E05B 21/04 with stop pins on the tumbler IPC only IPC only

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