CPC Subgroup
A45D 20/22 Helmets with hot air supply or ventilating means, e.g. electrically heated air current
Full Title
Hair drying devices; Accessories therefor (A45D2/00 takes precedence) > Helmets with hot air supply or ventilating means, e.g. electrically heated air current
9 direct subcodes
Child Classifications
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- A45D 20/24 Shape or structure of the helmet body (A45D20/26 takes precedence)
- A45D 20/26 Guiding the air; Controlling the air quantity
- A45D 20/28 Drying the air by incorporated heating elements
- A45D 20/30 Electric circuitry specially adapted for hair drying devices
- A45D 20/32 Supporting or fastening of the helmets
- A45D 20/34 Arrangements of the ventilating means
- A45D 20/36 Suspension of the motor
- A45D 20/38 Arrangement of the electric heating means
- A45D 20/42 Additional devices or measures, e.g. for noise damping, for musical entertainment
Top Applicants
Top 10 applicants by patent filingsfor 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