A45D 19/0041
Processes for treating the hair of the scalp
Official title: {Processes for treating the hair of the scalp}
A45D19/0041 (Processes for treating the hair of the scalp) appears on 516 US grants and 689 published applications in this corpus.
Search patents in A45D- Granted patents
- 516
- Published applications
- 689
- Assignees
- 195
- Inventors
- 1,139
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 9 | 0 |
| 1998 | 12 | 0 |
| 1999 | 13 | 0 |
| 2000 | 11 | 0 |
| 2001 | 7 | 1 |
| 2002 | 12 | 17 |
| 2003 | 8 | 18 |
| 2004 | 20 | 35 |
| 2005 | 7 | 30 |
| 2006 | 11 | 32 |
| 2007 | 15 | 26 |
| 2008 | 9 | 16 |
| 2009 | 13 | 27 |
| 2010 | 9 | 17 |
| 2011 | 3 | 19 |
| 2012 | 15 | 15 |
| 2013 | 20 | 25 |
| 2014 | 18 | 35 |
| 2015 | 16 | 40 |
| 2016 | 28 | 40 |
| 2017 | 19 | 40 |
| 2018 | 21 | 35 |
| 2019 | 24 | 36 |
| 2020 | 26 | 32 |
| 2021 | 27 | 38 |
| 2022 | 27 | 25 |
| 2023 | 14 | 27 |
| 2024 | 19 | 30 |
| 2025 | 11 | 21 |
| 2026 | 8 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Reusable cartridge systems, devices, and methods4 Aug 2026US 12,696,963 B2L'oreal
- Device for the oxidation dyeing of keratin fibres14 Jul 2026US 12,677,921 B2L'oreal
- Grey-hair detection and treatment system16 Jun 2026US 12,653,290 B2L'oreal
- Blending station apparatus and method for using the same9 Jun 2026US 12,649,132 B2B&R Holdings, LLC
- Cleansing device having a nebulizer and a suction unit12 May 2026US 12,622,498 B2L'oreal
- Hair dyeing method27 Aug 2026US 2026/0248257 A1L'oreal
- Adjustable hair tensioning device20 Aug 2026US 2026/0240299 A1
- Hair dye device30 Jul 2026US 2026/0215565 A1
- Hair dyeing method30 Jul 2026US 2026/0216017 A1L'oreal
- Process for dyeing keratin hair fibers comprising the application of a composition comprising a (poly)carbodiimide compound, the application of heat and the application of a composition comprising a (poly)carbodiimide compound30 Jul 2026US 2026/0216049 A1L'oreal
Most cited
By later US patents
- Container for discharging plural contents, a dispenser using the container, and a process for producing the dispenser125US 7,455,195 B2Daizo Corporation · 2008
- Automated hair isolation and processing system91US 6,973,931 B12005
- Hair dye color selection system and method82US 5,862,947 ABristol-Myers Squibb Company · 1999
- Apparatus and method for stimulating hair growth70US 6,497,719 B22002
- Fluid and hair-dye dispensers63US 7,654,416 B2Stibbe Management BV · 2010