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PCE
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DIFF Subgroup
A45D 2/14

of single-piece type, e.g. stiff rods or tubes with or without cord, band, or the like as hair-fastening means

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Hair-curling or hair-waving appliances > Hair winders or hair curlers for use parallel to the scalp, i.e. flat-curlers > of single-piece type, e.g. stiff rods or tubes with or without cord, band, or the like as hair-fastening means

CPC:

Hair-curling or hair-waving appliances (heated curling-tongs, curling-irons A45D1/00 ) > Hair winders or hair curlers for use parallel to the scalp, i.e. flat-curlers (A45D6/14, A45D6/16 take precedence; with internal electric heating means A45D2/36; heating devices designed for use external to, and in connection with, hair curlers or hair winders A45D4/08) > of single-piece type, e.g. stiff rods or tubes with or without cord, band, or the like as hair-fastening means

Of 7 combined children, 4 exist in both systems.

3 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • A45D 2/145 CPC only CPC only
  • A45D 2/16 in the form of forked rods or tubes IPC+CPC Available in IPC and CPC
  • A45D 2/18 Flexible curlers (A45D2/20 takes precedence) IPC+CPC Available in IPC and CPC
  • A45D 2/20 Elastic curlers IPC+CPC Available in IPC and CPC
  • A45D 2/22 with means for applying liquids therethrough IPC+CPC Available in 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