A45D 19/0083
The roots of the hair
Official title: {the roots of the hair}
A45D19/0083 (The roots of the hair) appears on 51 US grants and 71 published applications in this corpus.
Search patents in A45D- Granted patents
- 51
- Published applications
- 71
- Assignees
- 20
- Inventors
- 94
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 3 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 4 |
| 2008 | 1 | 2 |
| 2009 | 2 | 4 |
| 2010 | 1 | 0 |
| 2011 | 0 | 4 |
| 2012 | 1 | 2 |
| 2013 | 2 | 2 |
| 2014 | 3 | 2 |
| 2015 | 2 | 7 |
| 2016 | 6 | 4 |
| 2017 | 2 | 8 |
| 2018 | 2 | 4 |
| 2019 | 4 | 8 |
| 2020 | 3 | 3 |
| 2021 | 2 | 3 |
| 2022 | 5 | 6 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Formulation delivery priming methods30 Sep 2025US 12,426,693 B2L'oreal
- Control systems, devices, and methods for formulation delivery4 Mar 2025US 12,239,196 B2L'oreal
- Formula delivery head24 Dec 2024US 12,171,318 B2L'oreal
- Hair treatment compositions, systems, devices and methods7 Mar 2023US 11,596,216 B2Wella International Operations Switzerland SàRl
- Hair-coloring kit and method27 Dec 2022US 11,534,379 B2
- Hair coloring method14 Sep 2023US 2023/0284762 A1
- Formulation delivery priming methods22 Jun 2023US 2023/0189956 A1L'oreal
- Hair coloring kit and methods of use and doing business20 Oct 2022US 2022/0332481 A1
- Hair-coloring composition and method6 Oct 2022US 2022/0313576 A1
- Mixing container and method of use22 Sep 2022US 2022/0297907 A1
Most cited
By later US patents
- Applicator systems52US 6,505,986 B1The Procter & Gamble Company · 2003
- Hair treatment devices and packaging therefor45US 4,209,027 A1980
- Devices for use in selectively altering hair color43US 4,211,247 A1980
- Application tooth for the hair and/or scalp treatment23US 6,378,529 B12002
- Clamp devices for use in selectively altering hair color22US 4,108,184 A1978