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
Navigate with arrow keys, Enter to open
- E05B 19/04 Construction of the bow of the key; Attaching the bow to the shank +2 CPC IPC+CPC Available in IPC and CPC
- E05B 19/20 Skeleton keys; Devices for picking locks; Other devices for similar purposes +1 CPC 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
Top Applicants
Top Applicants (IPC)
Class E05,2013–2023, worldwide · Source: EPO PATSTAT
- KIEKERT DE 2,762
- HYUNDAI MOTOR COMPANY KR 1,316
- JULIUS BLUM AT 1,088
- FORD GLOBAL TECHNOLOGIES US 1,061
- HAIER SMART HOME 936
- KIA MOTORS CORPORATION KR 909
- HUF HUELSBECK & FUERST & COMPANY DE 887
- LG ELECTRONICS KR 872
- TOKAI RIKA COMPANY 813
- GEZE DE 807
Top Applicants (CPC)
Class E05,2013–2023, worldwide · Source: EPO PATSTAT
- KIEKERT DE 2,802
- HYUNDAI MOTOR COMPANY KR 1,609
- LG ELECTRONICS KR 1,467
- FORD GLOBAL TECHNOLOGIES US 1,465
- JULIUS BLUM AT 1,240
- KIA MOTORS CORPORATION KR 1,164
- HUF HUELSBECK & FUERST & COMPANY DE 1,005
- SAMSUNG ELECTRONICS COMPANY KR 928
- GEZE DE 809
- SCHLAGE LOCK COMPANY US 790