A45D 19/00
Devices for washing the hair or the scalp
Official title: Devices for washing the hair or the scalp; Similar devices for colouring the hair
A45D19/00 (Devices for washing the hair or the scalp) appears on 1,051 US grants and 1,245 published applications in this corpus.
Search patents in A45D- Granted patents
- 1,051
- Published applications
- 1,245
- Assignees
- 337
- Inventors
- 2,112
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 3 | 0 |
| 1978 | 9 | 0 |
| 1979 | 4 | 0 |
| 1980 | 10 | 0 |
| 1981 | 7 | 0 |
| 1982 | 9 | 0 |
| 1983 | 8 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 11 | 0 |
| 1987 | 11 | 0 |
| 1988 | 12 | 0 |
| 1989 | 16 | 0 |
| 1990 | 11 | 0 |
| 1991 | 30 | 0 |
| 1992 | 12 | 0 |
| 1993 | 14 | 0 |
| 1994 | 15 | 0 |
| 1995 | 9 | 0 |
| 1996 | 16 | 0 |
| 1997 | 14 | 0 |
| 1998 | 23 | 0 |
| 1999 | 33 | 0 |
| 2000 | 23 | 0 |
| 2001 | 26 | 4 |
| 2002 | 25 | 35 |
| 2003 | 25 | 34 |
| 2004 | 28 | 55 |
| 2005 | 13 | 47 |
| 2006 | 25 | 52 |
| 2007 | 23 | 50 |
| 2008 | 15 | 37 |
| 2009 | 22 | 43 |
| 2010 | 17 | 33 |
| 2011 | 12 | 40 |
| 2012 | 31 | 37 |
| 2013 | 31 | 43 |
| 2014 | 34 | 64 |
| 2015 | 26 | 64 |
| 2016 | 46 | 68 |
| 2017 | 30 | 61 |
| 2018 | 28 | 55 |
| 2019 | 42 | 59 |
| 2020 | 38 | 66 |
| 2021 | 39 | 59 |
| 2022 | 47 | 62 |
| 2023 | 30 | 51 |
| 2024 | 32 | 45 |
| 2025 | 26 | 46 |
| 2026 | 22 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A45D 19/0041Processes for treating the hair of the scalp516
- A45D 19/02Hand-actuated implements288
- A45D 19/012Devices for colouring or bleaching separated strands of hair206
- A45D 19/06In the form of bowls or similar open containers145
- A45D 19/16Surface treatment of hair by steam, oil, or the like94
- A45D 19/14Closed washing devices49
- A45D 19/18Hair-colouring caps49
- A45D 19/04Portable wash stands40
All 9 subgroupsShow fewer
Recent patents
- Beauty device6 Oct 2026US 12,751,534 B2Amogreentech Co., Ltd.
- Systems and methods for hair cosmetic applications and improvements22 Sep 2026US 12,740,632 B2L'oreal
- Automatic detection of hair characteristics using a formulation dispensing device15 Sep 2026US 12,733,728 B2L'oreal
- 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
- Hair steaming device8 Oct 2026US 2026/0305788 A1
- Fluorine-free diarylethene photochromic compound system for reversible hair coloration8 Oct 2026US 2026/0306383 A1School of Materials Science and Engineering, Nanyang Technological University
- Device for treating human keratinous material including closed-loop cleaning1 Oct 2026US 2026/0294068 A1
- Steam generator for hair-straightening combs24 Sep 2026US 2026/0283324 A1Zhuhai East Kingdom Electrical Appliance Co., Ltd.
- Hair dyeing method27 Aug 2026US 2026/0248257 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
- Hydrophilic foam pad for hair styling111US 5,261,426 ACreative Products Resource Associates, Ltd. · 1993
- Appliance for discharging a non-compressible liquid, creamy or pasty product under pressure91US 4,458,830 A1984
- 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