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DIFF Subgroup
A45D 4/06

heated by electricity

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Separate devices designed for heating hair curlers or hair-wavers > for steep curling, e.g. with means for decreasing the heat > heated by electricity

CPC:

Separate devices designed for heating hair curlers or hair-wavers (hair-drying devices without connection to hair curlers or hair-wavers A45D20/00) > for steep curling, e.g. with means for decreasing the heat (A45D4/14, A45D4/16 take precedence) > heated by electricity

No child classifications to compare. This is a leaf node in both IPC and CPC.

Top Applicants

Top Applicants (IPC)

Class A45,2013–2023, worldwide · Source: EPO PATSTAT

  1. L'OREAL FR 3,344
  2. DYSON GB 1,184
  3. AMOREPACIFIC CORPORATION KR 858
  4. SEB FR 807
  5. PHILIPS ELECTRONICS NL 518
  6. P&G (PROCTER & GAMBLE COMPANY) US 502
  7. YONWOO COMPANY KR 500
  8. LG HOUSEHOLD & HEALTH CARE KR 499
  9. ELC MANAGEMENT US 488
  10. ALBEA SERVICES FR 482

Top Applicants (CPC)

Class A45,2013–2023, worldwide · Source: EPO PATSTAT

  1. L'OREAL FR 3,874
  2. DYSON GB 1,223
  3. AMOREPACIFIC CORPORATION KR 877
  4. SEB FR 842
  5. P&G (PROCTER & GAMBLE COMPANY) US 741
  6. PHILIPS ELECTRONICS NL 613
  7. L'OREAL 555
  8. ELC MANAGEMENT US 554
  9. YONWOO COMPANY KR 535
  10. ALBEA SERVICES FR 523