DIFF Subgroup
A45D 24/34 Crown parting devices
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Hair combs for care of the hair; Accessories therefor > Crown parting devices
CPC:
Hair combs for care of the hair; Accessories therefor (high combs or dress combs A45D8/12; hair-drying combs A45D20/48 - A45D20/52; hair-trimming devices, using a razor blade, integral or combined with combs B26B21/00, e.g. B26B21/12) > Crown parting devices
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.
Child Classifications
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Top Applicants
Top Applicants (IPC)
Class A45,2013–2023, worldwide · Source: EPO PATSTAT
- L'OREAL FR 3,344
- DYSON GB 1,184
- AMOREPACIFIC CORPORATION KR 858
- SEB FR 807
- PHILIPS ELECTRONICS NL 518
- P&G (PROCTER & GAMBLE COMPANY) US 502
- YONWOO COMPANY KR 500
- LG HOUSEHOLD & HEALTH CARE KR 499
- ELC MANAGEMENT US 488
- ALBEA SERVICES FR 482
Top Applicants (CPC)
Class A45,2013–2023, worldwide · Source: EPO PATSTAT
- L'OREAL FR 3,874
- DYSON GB 1,223
- AMOREPACIFIC CORPORATION KR 877
- SEB FR 842
- P&G (PROCTER & GAMBLE COMPANY) US 741
- PHILIPS ELECTRONICS NL 613
- L'OREAL 555
- ELC MANAGEMENT US 554
- YONWOO COMPANY KR 535
- ALBEA SERVICES FR 523