A46D 1/023
Bristles with at least a core and at least a partial sheath
Official title: {Bristles with at least a core and at least a partial sheath}
A46D1/023 (Bristles with at least a core and at least a partial sheath) appears on 87 US grants and 75 published applications in this corpus.
Search patents in A46D- Granted patents
- 87
- Published applications
- 75
- Assignees
- 49
- Inventors
- 195
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 1 |
| 2002 | 4 | 5 |
| 2003 | 1 | 1 |
| 2004 | 1 | 3 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 8 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 2 | 3 |
| 2013 | 0 | 1 |
| 2014 | 2 | 2 |
| 2015 | 2 | 8 |
| 2016 | 1 | 1 |
| 2017 | 1 | 7 |
| 2018 | 1 | 8 |
| 2019 | 6 | 4 |
| 2020 | 6 | 4 |
| 2021 | 2 | 1 |
| 2022 | 4 | 3 |
| 2023 | 3 | 3 |
| 2024 | 1 | 1 |
| 2025 | 0 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Head for an oral care implement and oral care implement8 Sep 2026US 12,727,662 B2The Procter & Gamble Company
- Head for an oral care implement and oral care implement14 Jul 2026US 12,677,936 B2The Procter & Gamble Company
- Bristles having oral care additives contained therein and associated methods of manufacture24 Sep 2024US 12,096,844 B2Church & Dwight Co., Inc.
- Head for an oral care implement and oral care implement25 Apr 2023US 11,633,037 B2The Procter & Gamble Company
- Head for an oral care implement and oral care implement14 Feb 2023US 11,576,482 B2The Procter & Gamble Company
- Bristle tuft, brush roller with bristle tuft, and disassembly method of brush roller16 Apr 2026US 2026/0101993 A1
- Surface conditioning article25 Dec 2025US 2025/0386926 A13M Innovative Properties Company
- Ionomer-Containing Polymeric Monofilament Having a Silicone Oil Coated Surface27 Nov 2025US 2025/0361654 A1Celanese Xingda Filaments Co., Ltd
- Fadable Multifunctional Monofilament Having a Core-Shell Structure20 Nov 2025US 2025/0354302 A1Celanese Xingda Filaments Co., Ltd
- Head for an oral care implement and oral care implement4 Jul 2024US 2024/0215709 A1The Procter & Gamble Company
Most cited
By later US patents
- Novel brush filaments165US 4,802,255 AGillette Canada Inc. · 1989
- Polymer article having an antibacterial property containing zeolite particles therein and the processes for producing same137US 4,775,585 AKanebo Ltd./Kanto Chemical Co. · 1988
- Molded brush segment129US 5,903,951 AMinnesota Mining and Manufacturing Company · 1999
- Molded abrasive brush124US 5,679,067 AMinnesota Mining and Manufacturing Company · 1997
- Gum-massaging oral brush115US 6,151,745 AGillette Canada Inc. · 2000