Fibrous material and roller compositions for floor cleaners
US-2026034567-A1 · Feb 5, 2026 · US
Preparing uniform tufts of bristles
Preparing uniform tufts of bristles · 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 | A46D1/08 |
| Official title | Preparing uniform tufts of bristles |
| Display label | Preparing uniform tufts of bristles |
| Total patents | 56 |
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 | 1 |
| 2016 | 2 |
| 2017 | 6 |
| 2018 | 3 |
| 2019 | 11 |
| 2020 | 10 |
| 2021 | 10 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 1 |
| 2025 | 4 |
| 2026 | 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-12433396-B2 · Oct 7, 2025 · US
Oral Care Implement
US-2025098843-A1 · Mar 27, 2025 · US
Oral care implement
US-2025057307-A1 · Feb 20, 2025 · US
Oral care implement
US-12185829-B2 · Jan 7, 2025 · US
Method for producing a toothbrush head or a part thereof
US-11944189-B2 · Apr 2, 2024 · US
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
Brushroll for vacuum cleaner
US-11641989-B2 · May 9, 2023 · US
Head for an oral care implement and oral care implement
US-11553784-B2 · Jan 17, 2023 · US
Oral Care Implement
US-2022142348-A1 · May 12, 2022 · US
Filament for an oral care implement and oral care implement
US-11284707-B2 · Mar 29, 2022 · US
Oral care implement
US-11266226-B2 · Mar 8, 2022 · US
Head for an oral care implement and oral care implement
US-11206916-B2 · Dec 28, 2021 · US
Method of making a brush and brush
US-11197540-B2 · Dec 14, 2021 · US
Filament transportation device
US-11160364-B2 · Nov 2, 2021 · US
Brush head assembly
US-11160361-B2 · Nov 2, 2021 · US
Device for filament end-rounding and a method for end-rounding toothbrush filaments
US-11096478-B2 · Aug 24, 2021 · US
Tuft picker for a brush making machine
US-11089863-B2 · Aug 17, 2021 · US
Oral Care Implement
US-2021227963-A1 · Jul 29, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A46D1/08?
- CPC A46D1/08 is the Cooperative Patent Classification code for “Preparing uniform tufts of bristles.”
- How many patents are filed under CPC A46D1/08 (Preparing uniform tufts of bristles)?
- Our database includes 56 publications tagged with this CPC code.
- Is patent activity under CPC A46D1/08 growing?
- Publication counts under this code: 1 in 2024 vs 4 in 2025 (latest complete years).