A45D 20/52
Hair-drying combs or hair-drying brushes, adapted for heating by an external heating
Official title: Hair-drying combs or hair-drying brushes, adapted for heating by an external heating source {, e.g. air stream}
A45D20/52 (Hair-drying combs or hair-drying brushes, adapted for heating by an external heating) appears on 64 US grants and 73 published applications in this corpus.
Search patents in A45D- Granted patents
- 64
- Published applications
- 73
- Assignees
- 30
- Inventors
- 136
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 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 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 2 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 4 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 2 | 3 |
| 2011 | 1 | 6 |
| 2012 | 2 | 3 |
| 2013 | 3 | 2 |
| 2014 | 2 | 3 |
| 2015 | 1 | 3 |
| 2016 | 2 | 5 |
| 2017 | 1 | 7 |
| 2018 | 4 | 0 |
| 2019 | 1 | 3 |
| 2020 | 1 | 4 |
| 2021 | 1 | 3 |
| 2022 | 3 | 4 |
| 2023 | 3 | 4 |
| 2024 | 3 | 6 |
| 2025 | 3 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hairbrush heating device28 Apr 2026US 12,611,028 B2
- Glass or glass-like styling component for a hair dryer17 Feb 2026US 12,550,994 B2Conair Corporation
- Interactive styling hairbrush1 Jul 2025US 12,342,919 B1
- Attachment for a handheld appliance13 May 2025US 12,295,472 B2Dyson Technology Limited
- Hairdressing apparatus18 Mar 2025US 12,251,005 B2KAN Holding AS
- Methods and devices for hair treatment30 Apr 2026US 2026/0114569 A1Sparkcare Ltd
- System for sensing and associating a condition on a body part of the user with a three-dimensional environment when using a cosmetic device31 Jul 2025US 2025/0241438 A1L'oreal
- Comb27 Mar 2025US 2025/0098834 A1Dyson Technology Limited
- Comb attachment for a hair care appliance6 Mar 2025US 2025/0072576 A1Dyson Technology Limited
- Brush attachment for hair care appliance19 Sep 2024US 2024/0306788 A1
Most cited
By later US patents
- Hair styling brush systems86US 10,028,574 B2Olivia Garden International Inc. · 2018
- Detachable hairbrush77US 5,992,423 A1999
- Clothes dryer filter and exhaust system64US 3,999,304 A1976
- System for professional round brush blow-drying60US 6,070,597 AM Head, LLC · 2000
- Hair styling brush with reverse air flow57US 7,096,598 B1Natural Volume Systems, L.L.C. · 2006