Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
A45D 2/02

Hair winders or hair curlers for use substantially perpendicular to the scalp, i.e. steep-curlers (A45D6/14, A45D6/16 take precedence; with incorporated heating or drying means A45D2/36; heating devices designed for use external to and in connection with, hair curlers or hair wavers A45D4/02)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Hair winders or hair curlers for use substantially perpendicular to the scalp, i.e. steep-curlers

CPC: Hair winders or hair curlers for use substantially perpendicular to the scalp, i.e. steep-curlers (A45D6/14, A45D6/16 take precedence; with incorporated heating or drying means A45D2/36; heating devices designed for use external to and in connection with, hair curlers or hair wavers A45D4/02)

Full Title

Full titles differ between systems:

IPC:

Hair-curling or hair-waving appliances > Hair winders or hair curlers for use substantially perpendicular to the scalp, i.e. steep-curlers

CPC:

Hair-curling or hair-waving appliances (heated curling-tongs, curling-irons A45D1/00 ) > Hair winders or hair curlers for use substantially perpendicular to the scalp, i.e. steep-curlers (A45D6/14, A45D6/16 take precedence; with incorporated heating or drying means A45D2/36; heating devices designed for use external to and in connection with, hair curlers or hair wavers A45D4/02)

Of 5 combined children, 4 exist in both systems.

1 codes are CPC-only extensions.

Note: 1 CPC extensions are marked as secondary classification only.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

Navigate with arrow keys, Enter to open

  • A45D 2/04 in the form of rods with jaw devices IPC+CPC Available in IPC and CPC
  • A45D 2/06 in the form of rods with base plate or base clamp IPC+CPC Available in IPC and CPC
  • A45D 2/08 of hollow type (A45D2/10 takes precedence) IPC+CPC Available in IPC and CPC
  • A45D 2/10 in the form of spools or bobbins IPC+CPC Available in IPC and CPC
  • A45D 2002/025 2nd only CPC only CPC only

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