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DIFF Main Group
E05B 63/00

Locks with special structural characteristics

Introduced: September 1968

CPC subdivides this area 2x more granularly than IPC with 12 additional codes.

12 codes are CPC-only extensions.

3 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • E05B 2063/0026 2nd only CPC only CPC only
  • E05B 2063/0039 2nd only CPC only CPC only
  • E05B 63/0013 CPC only CPC only
  • E05B 63/003 CPC only CPC only
  • E05B 63/0034 CPC only CPC only
  • E05B 63/0043 CPC only CPC only
  • E05B 63/0047 CPC only CPC only
  • E05B 63/0052 CPC only CPC only
  • E05B 63/02 without springs IPC+CPC Available in IPC and CPC
  • E05B 63/06 with lengthwise-adjustable bolts IPC+CPC Available in IPC and CPC
  • E05B 63/16 with the handles on opposite sides moving independently 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