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DIFF Main Group
E05B 19/00

Keys; Accessories therefor ( making keys, see the relevant places, e.g. B21D53/42; milling grooves in keys B23C3/35)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Keys; Accessories therefor

CPC: Keys; Accessories therefor ( making keys, see the relevant places, e.g. B21D53/42; milling grooves in keys B23C3/35)

Full Title

Full titles differ between systems:

IPC:

Keys; Accessories therefor

CPC:

Keys; Accessories therefor ( making keys, see the relevant places, e.g. B21D53/42; milling grooves in keys B23C3/35)

Of 18 combined children, 7 exist in both systems.

6 codes are CPC-only extensions, 5 exist only in IPC.

2 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • E05B 19/0005 CPC only CPC only
  • E05B 19/0011 CPC only CPC only
  • E05B 19/0082 CPC only CPC only
  • E05B 19/0088 CPC only CPC only
  • E05B 19/0094 CPC only CPC only
  • E05B 19/02 Construction of the shank of the key IPC only IPC only
  • E05B 19/1 Fastening the key bit and bow on the shank of the key IPC only IPC only
  • E05B 19/12 Keys with several bits moving relatively to each other when in use IPC only IPC only
  • E05B 19/14 Double keys IPC+CPC Available in IPC and CPC
  • E05B 19/16 Extremely thin keys acting without rotation IPC only IPC only
  • E05B 19/18 Keys adjustable before use IPC+CPC Available in IPC and CPC
  • E05B 19/22 Keys with devices for indicating whether the last operation was locking or unlocking IPC+CPC Available in IPC and CPC
  • E05B 19/24 Key distinguishing marks IPC+CPC Available in IPC and CPC
  • E05B 19/26 Use of special materials for keys 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