A45D 4/08 for flat curling, e.g. with means for decreasing the heat (A45D4/14, A45D4/16 take precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: for flat curling, e.g. with means for decreasing the heat
CPC: for flat curling, e.g. with means for decreasing the heat (A45D4/14, A45D4/16 take precedence)
Full Title
Full titles differ between systems:
Separate devices designed for heating hair curlers or hair-wavers > for flat curling, e.g. with means for decreasing the heat
Separate devices designed for heating hair curlers or hair-wavers (hair-drying devices without connection to hair curlers or hair-wavers A45D20/00) > for flat curling, e.g. with means for decreasing the heat (A45D4/14, A45D4/16 take precedence)
Of 3 combined children, 2 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
Navigate with arrow keys, Enter to open
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