A46D 1/04
Preparing bristles
A46D1/04 (Preparing bristles) appears on 98 US grants and 124 published applications in this corpus.
Search patents in A46D- Granted patents
- 98
- Published applications
- 124
- Assignees
- 68
- Inventors
- 213
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 4 |
| 2004 | 2 | 5 |
| 2005 | 1 | 3 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 6 |
| 2009 | 0 | 1 |
| 2010 | 2 | 8 |
| 2011 | 1 | 4 |
| 2012 | 6 | 8 |
| 2013 | 6 | 2 |
| 2014 | 2 | 4 |
| 2015 | 4 | 15 |
| 2016 | 3 | 3 |
| 2017 | 6 | 8 |
| 2018 | 4 | 10 |
| 2019 | 8 | 6 |
| 2020 | 3 | 10 |
| 2021 | 3 | 6 |
| 2022 | 10 | 2 |
| 2023 | 5 | 2 |
| 2024 | 1 | 8 |
| 2025 | 0 | 4 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dividing-up device and brush-manufacturing machine having a dividing-up device22 Sep 2026US 12,740,641 B2Zahoransky AG
- Toothbrush filament and preparation method therefor, and toothbrush10 Mar 2026US 12,569,057 B2Beijing Piezo-Dent Medical Technology Co., Ltd
- Toothbrush head and method of manufacturing3 Mar 2026US 12,564,258 B2HALEON GERMANY GmbH
- Partially treated cosmetic product applicator23 Apr 2024US 11,963,602 B2ELC Management LLC
- Method for preparing porous antibacterial fiber brush26 Sep 2023US 11,766,114 B2Guangdong Newdermo Biotech Co., Ltd
- Disposable toothbrush head incorporating bristles made using miswak or neem27 Nov 2025US 2025/0359660 A1
- Fadable Multifunctional Monofilament Having a Core-Shell Structure20 Nov 2025US 2025/0354302 A1Celanese Xingda Filaments Co., Ltd
- Toothbrush filament and preparation method therefor, and toothbrush18 Sep 2025US 2025/0288090 A1Beijing Piezo-Dent Medical Technology Co., Ltd
- Device for feeding bristle bundles for the production of bristle products, and bristle material production machine15 May 2025US 2025/0151892 A1Zahoransky AG
- Apparatus and method for bending brush fibers to provide an angled brush12 Dec 2024US 2024/0407542 A1
Most cited
By later US patents
- Method and apparatus to permit attachment of bristles to toothbrushes with resiliently flexible heads and to thereafter permit the trimming and end rounding of such bristles54US 5,863,102 AColgate-Palmolive Company · 1999
- Interdental brushes having roughened, tapered and rounded bristle ends and method of making the same48US 5,778,476 AJohn O. Butler Company · 1998
- Toothbrush35US 6,021,541 ASunstar Inc. · 2000
- Brush head manufacturing method30US 8,608,251 B2Braun GmbH · 2013
- Oral care implement and filament for the same28US 10,244,857 B2Colgate-Palmolive Company · 2019