A45D 19/012
Devices for colouring or bleaching separated strands of hair
Official title: {Devices for colouring or bleaching separated strands of hair, e.g. highlighting (A45D19/02 and A45D19/18 take precedence)}
A45D19/012 (Devices for colouring or bleaching separated strands of hair) appears on 206 US grants and 294 published applications in this corpus.
Search patents in A45D- Granted patents
- 206
- Published applications
- 294
- Assignees
- 81
- Inventors
- 500
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 3 |
| 2003 | 3 | 9 |
| 2004 | 2 | 13 |
| 2005 | 1 | 9 |
| 2006 | 5 | 10 |
| 2007 | 3 | 17 |
| 2008 | 4 | 20 |
| 2009 | 6 | 16 |
| 2010 | 3 | 11 |
| 2011 | 6 | 4 |
| 2012 | 10 | 14 |
| 2013 | 15 | 15 |
| 2014 | 11 | 22 |
| 2015 | 12 | 21 |
| 2016 | 9 | 14 |
| 2017 | 9 | 8 |
| 2018 | 5 | 17 |
| 2019 | 8 | 13 |
| 2020 | 8 | 15 |
| 2021 | 8 | 8 |
| 2022 | 10 | 9 |
| 2023 | 5 | 11 |
| 2024 | 5 | 4 |
| 2025 | 4 | 4 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hair clamp adapter for application of cosmetic compositions12 May 2026US 12,622,497 B2L'oreal
- Hair tool14 Apr 2026US 12,599,213 B2Procare UK Limited
- Device to assist with hair coloring/foil highlights and method of manufacturing the device2 Dec 2025US 12,484,676 B1
- System, method, and device for foiling hair29 Jul 2025US 12,369,698 B1
- Portable hair printer and printing method using same1 Jul 2025US 12,342,918 B2Prinker Korea Inc.
- Hair dye device30 Jul 2026US 2026/0215565 A1
- Wireless electric hair-coloring device, and coloring method using same16 Jul 2026US 2026/0198673 A1Entertake Co., Ltd.
- Hair dye developer packaging30 Apr 2026US 2026/0114571 A1L'oreal
- Hair clamp adapter for application of cosmetic compositions30 Apr 2026US 2026/0114572 A1L'oreal
- Hair coloring bristle adapter30 Apr 2026US 2026/0114573 A1L'oreal
Most cited
By later US patents
- Double blocking members sealing a single opening means70US 5,007,442 A1991
- Devices for use in selectively altering hair color43US 4,211,247 A1980
- Hair highlighting capsule40US 4,942,893 A1990
- Implement for treating hair and method of treating hair using the same35US 7,198,049 B2The Procter & Gamble Company · 2007
- Hair frosting purse30US 4,398,549 A1983