A45D 2/02
Hair winders or hair curlers for use substantially perpendicular to the scalp
Official title: Hair winders or hair curlers for use substantially perpendicular to the scalp, i.e. steep-curlers (A45D6/14, A45D6/16 take precedence; with incorporated heating or drying means A45D2/36; heating devices designed for use external to and in connection with, hair curlers or hair wavers A45D4/02)
A45D2/02 (Hair winders or hair curlers for use substantially perpendicular to the scalp) appears on 76 US grants and 103 published applications in this corpus.
Search patents in A45D- Granted patents
- 76
- Published applications
- 103
- Assignees
- 41
- Inventors
- 154
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 4 |
| 2005 | 1 | 6 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 2 | 3 |
| 2009 | 3 | 2 |
| 2010 | 3 | 6 |
| 2011 | 1 | 2 |
| 2012 | 1 | 3 |
| 2013 | 6 | 7 |
| 2014 | 6 | 4 |
| 2015 | 3 | 7 |
| 2016 | 4 | 6 |
| 2017 | 4 | 8 |
| 2018 | 4 | 7 |
| 2019 | 4 | 6 |
| 2020 | 3 | 5 |
| 2021 | 1 | 3 |
| 2022 | 5 | 7 |
| 2023 | 1 | 2 |
| 2024 | 1 | 2 |
| 2025 | 3 | 5 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hair curling system15 Jul 2025US 12,357,069 B2Cali-Curl, LLC
- Apparatus for curling hair24 Jun 2025US 12,336,611 B2
- Head for curling hair and hair styling device having the same15 Apr 2025US 12,274,341 B2Unix Electronics Co., Ltd.
- Apparatus for curling hair5 Mar 2024US 11,918,094 B2The House of Curls Ltd
- Hair comb25 Jul 2023US 11,707,124 B2
- Hair styling attachment6 Aug 2026US 2026/0224002 A1Dongguan KangRoad Electrical Technology Co., Ltd.
- High-performance smart hair curler19 Mar 2026US 2026/0076466 A1Millplan Electric Appliance (Shen Zhen) Co., Limited
- Automatic hair curler19 Mar 2026US 2026/0076467 A1Guangdong Roman Technology Co., Ltd.
- Adjustable heatless hair curler with decorative elements and methods for use thereof1 Jan 2026US 2026/0000176 A1Daisy Dani Enterprise, LLC
- Collapsible hair rollers and methods of using the same30 Oct 2025US 2025/0331619 A1Hair by Flatts, LLC
Most cited
By later US patents
- Hair styling device63US 5,845,657 A1998
- Method of waving hair45US 5,771,906 A1998
- Hair styling aid44US 8,607,804 B2Tf3 Limited · 2013
- Hair styling device36US 8,651,118 B2Tf3 Limited · 2014
- Method of treating hair in which a part of a length of a tress of hair protected while another part of the length of the tress of hair is treated31US 5,584,309 A1996