A46D 9/00
Machines for finishing brushes
Official title: Machines for finishing brushes {(A46D1/00 and A46D3/00 take precedence)}
A46D9/00 (Machines for finishing brushes) appears on 111 US grants and 90 published applications in this corpus.
Search patents in A46D- Granted patents
- 111
- Published applications
- 90
- Assignees
- 78
- Inventors
- 184
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 5 |
| 2003 | 3 | 3 |
| 2004 | 2 | 3 |
| 2005 | 1 | 3 |
| 2006 | 2 | 4 |
| 2007 | 1 | 0 |
| 2008 | 0 | 7 |
| 2009 | 0 | 1 |
| 2010 | 3 | 3 |
| 2011 | 2 | 5 |
| 2012 | 2 | 6 |
| 2013 | 2 | 3 |
| 2014 | 6 | 3 |
| 2015 | 1 | 7 |
| 2016 | 4 | 5 |
| 2017 | 1 | 2 |
| 2018 | 1 | 3 |
| 2019 | 3 | 3 |
| 2020 | 1 | 6 |
| 2021 | 3 | 6 |
| 2022 | 6 | 1 |
| 2023 | 3 | 1 |
| 2024 | 1 | 5 |
| 2025 | 3 | 4 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Utility brush21 Jul 2026US 12,685,387 B2Ultrafab, Inc.
- Toothbrush head and method of manufacturing3 Mar 2026US 12,564,258 B2HALEON GERMANY GmbH
- Brush assembly and method of manufacturing a brush16 Dec 2025US 12,495,889 B2Sanderson-MacLeod, Inc.
- Method for manufacturing bamboo toothbrush and bamboo toothbrush produced thereby16 Dec 2025US 12,495,893 B2Project Noah, Inc.
- End cut of endodontic brush1 Jul 2025US 12,343,229 B2
- Brush aging apparatus and brush aging method20 Nov 2025US 2025/0351951 A1Samsung Electronics Co., Ltd.
- Profiling device, brush manufacturing device, method for profiling a set of bristles and method for manufacturing a brush30 Oct 2025US 2025/0331632 A1Zahoransky AG
- Bristle goods manufacturing machine16 Oct 2025US 2025/0318635 A1Zahoransky AG
- End Cut of Endodontic Brush4 Sep 2025US 2025/0275832 A1Mdt Micro Diamond Technologies Ltd.
- Method for manufacturing bamboo toothbrush and bamboo toothbrush produced thereby22 Aug 2024US 2024/0277138 A1Project Noah, Inc.
Most cited
By later US patents
- Process for producing tooth brushes and blanks for use for same107US 5,114,214 A1992
- Toothbrush for brushing teeth and massaging gums78US 5,836,033 A1998
- Brush intended for the application of a cosmetic product, in particular to the eyelashes or the hair71US 5,345,644 AL'oreal · 1994
- Bristle treatment55US 5,176,427 ACoronet-Werke Heinrich Schlerf GmbH · 1993
- Method of making improved toothbrush having multi-level tufts with substantially uniformly rounded bristle ends in each tuft54US 5,165,761 AThe Procter & Gamble Company · 1992