A45D 6/04
Devices for winding the hair on flat-curlers
A45D6/04 (Devices for winding the hair on flat-curlers) appears on 49 US grants and 35 published applications in this corpus.
Search patents in A45D- Granted patents
- 49
- Published applications
- 35
- Assignees
- 19
- Inventors
- 90
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 3 |
| 2014 | 1 | 5 |
| 2015 | 1 | 0 |
| 2016 | 3 | 5 |
| 2017 | 0 | 2 |
| 2018 | 0 | 3 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 3 |
| 2022 | 4 | 1 |
| 2023 | 0 | 3 |
| 2024 | 1 | 1 |
| 2025 | 2 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hairstyling apparatuses and related methods16 Dec 2025US 12,495,878 B2Kiss Nail Products, Inc.
- Hairstyling apparatuses and related methods25 Feb 2025US 12,232,595 B2Kiss Nail Products, Inc.
- Auto-rotate hair iron assembly and method of styling hair to achieve at least one curl style based on extent of rotation26 Mar 2024US 11,937,678 B2
- Hairstyling apparatuses and related methods4 Oct 2022US 11,457,712 B2Kiss Nail Products, Inc.
- Hair holder, method for producing said hair holder, and method for using said hair holder27 Sep 2022US 11,452,351 B2Kao Corporation
- Hair styling apparatus and ejectable hair holder28 May 2026US 2026/0144348 A1Empower Brands, LLC
- Automatic hair curler19 Mar 2026US 2026/0076467 A1Guangdong Roman Technology Co., Ltd.
- Hair curler14 Nov 2024US 2024/0374008 A1SharkNinja Operating LLC
- Pressing transmission device and curler2 Nov 2023US 2023/0346097 A1Shenzhen Fenda Technology Co., Ltd.
- Hairstyling apparatuses and related methods29 Jun 2023US 2023/0200510 A1Kiss Nail Products, Inc.
Most cited
By later US patents
- Detachable hairbrush77US 5,992,423 A1999
- System for professional round brush blow-drying60US 6,070,597 AM Head, LLC · 2000
- Hairbrush with removable handle and hairbrush system utilizing the same49US 6,230,716 B12001
- Bendable, extendable hairbrush with removable brush head45US 5,479,951 A1996
- Hair curling brush and method of using same42US 5,887,600 A1999