Method for producing a toothbrush head
US-12433396-B2 · Oct 7, 2025 · US
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Magazines for bristles; Feeding bristles to magazines; Knot picking
Magazines for bristles; Feeding bristles to magazines; Knot picking · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A46D3/082 |
| Official title | {Magazines for bristles; Feeding bristles to magazines; Knot picking} |
| Display label | Magazines for bristles; Feeding bristles to magazines; Knot picking |
| Total patents | 24 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2017 | 4 |
| 2019 | 6 |
| 2020 | 6 |
| 2021 | 3 |
| 2023 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for producing a toothbrush head
US-2023413991-A1 · Dec 28, 2023 · US
Method for producing a toothbrush head
US-11832717-B2 · Dec 5, 2023 · US
Filament transportation device
US-11160364-B2 · Nov 2, 2021 · US
Tuft picker for a brush making machine
US-11089863-B2 · Aug 17, 2021 · US
Tuft picker for a brush making machine
US-11058214-B2 · Jul 13, 2021 · US
Method for producing a toothbrush head
US-2020397137-A1 · Dec 24, 2020 · US
Filament transportation device
US-2020383469-A1 · Dec 10, 2020 · US
Device for providing bristles for brush production and providing method
US-10743652-B2 · Aug 18, 2020 · US
Method and apparatus for producing bristle fields for brushes
US-10722024-B2 · Jul 28, 2020 · US
Toothbrush comprising asymmetrically oriented tufts of bristles
US-2020146795-A1 · May 14, 2020 · US
Toothbrush comprising asymmetrically oriented tufts of bristles
US-10568724-B2 · Feb 25, 2020 · US
Tuft picker for a brush making machine
US-2019374020-A1 · Dec 12, 2019 · US
Tuft picker for a tuft-picking device of a brush-making machine
US-10492597-B2 · Dec 3, 2019 · US
Tuft picker for a brush making machine
US-2019307241-A1 · Oct 10, 2019 · US
Tuft-picking device for a brush-making machine
US-10398220-B2 · Sep 3, 2019 · US
Method and apparatus for producing bristle fields for brushes
US-2019082822-A1 · Mar 21, 2019 · US
Device for transport of bristles for brush production comprising a baffle plate with conically shaped vents
US-10221026-B2 · Mar 5, 2019 · US
Toothbrush comprising asymmetrically oriented tufts of bristles
US-2017172716-A1 · Jun 22, 2017 · US
Tuft-picking device for a brush-making machine
US-2017065072-A1 · Mar 9, 2017 · US