A46D 1/08
Preparing uniform tufts of bristles
A46D1/08 (Preparing uniform tufts of bristles) appears on 90 US grants and 64 published applications in this corpus.
Search patents in A46D- Granted patents
- 90
- Published applications
- 64
- Assignees
- 41
- Inventors
- 133
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 5 | 4 |
| 2003 | 3 | 7 |
| 2004 | 1 | 1 |
| 2005 | 3 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 3 |
| 2016 | 0 | 3 |
| 2017 | 1 | 5 |
| 2018 | 3 | 4 |
| 2019 | 4 | 7 |
| 2020 | 5 | 7 |
| 2021 | 8 | 8 |
| 2022 | 4 | 1 |
| 2023 | 3 | 2 |
| 2024 | 3 | 0 |
| 2025 | 2 | 4 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing a toothbrush head7 Oct 2025US 12,433,396 B2The Procter & Gamble Company
- Oral care implement7 Jan 2025US 12,185,829 B2Colgate-Palmolive Company
- Apparatus and method for forming bristle bundles, brush manufacturing machine, use of an apparatus for forming bristle bundles, brush, computer program and computer-readable medium15 Oct 2024US 12,114,768 B2Zahoransky AG
- Apparatus and method for forming bristle bundles, brush manufacturing machine, use of an apparatus for forming bristle bundles, brush, computer program and computer-readable medium1 Oct 2024US 12,102,221 B2Zahoransky AG
- Method for producing a toothbrush head or a part thereof2 Apr 2024US 11,944,189 B2The Procter & Gamble Company
- Bristle filament transport plate, transport device, and bristle manufacturing machine11 Jun 2026US 2026/0157512 A1Zahoransky AG
- Separating device and brush making machine having a separating device2 Apr 2026US 2026/0090633 A1Zahoransky AG
- Fibrous material and roller compositions for floor cleaners5 Feb 2026US 2026/0034567 A1
- Method for separating bristle bundles, separating device, and brush-filing machine23 Oct 2025US 2025/0325097 A1Zahoransky AG
- Device for compacting bristle bundles, bristle product production machine, and method for compacting bristle bundles2 Oct 2025US 2025/0302187 A1Zahoransky AG
Most cited
By later US patents
- Brush seals83US 4,678,113 AROLLS-ROYCE plc · 1987
- Tufted angular brush consturction53US 4,291,431 ATucel Industries, Inc. · 1981
- Method of and apparatus for making brushes45US 5,033,797 A1991
- Bundle and place method for the manufacture of brush seals41US 5,183,197 ATechnetics Corporation · 1993
- Head for an oral care implement and oral care implement35US 10,874,205 B2The Procter & Gamble Company · 2020