Hair-drying combs or hair-drying brushes, with internal heating means

Hair-drying combs or hair-drying brushes, with internal heating means · Cooperative Patent Classification (CPC)

Agriculture, food, personal care, health, and life sciences.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeA45D20/48
Official titleHair-drying combs or hair-drying brushes, with internal heating means
Display labelHair-drying combs or hair-drying brushes, with internal heating means
Total patents41

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
20153
20164
20174
20189
20192
20201
20211
20234
20247
20256

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC A45D20/48?
CPC A45D20/48 is the Cooperative Patent Classification code for “Hair-drying combs or hair-drying brushes, with internal heating means.”
How many patents are filed under CPC A45D20/48 (Hair-drying combs or hair-drying brushes, with internal heating means)?
Our database includes 41 publications tagged with this CPC code.
Is patent activity under CPC A45D20/48 growing?
Publication counts under this code: 7 in 2024 vs 6 in 2025 (latest complete years).