A45D 20/48
Hair-drying combs or hair-drying brushes, with internal heating means
A45D20/48 (Hair-drying combs or hair-drying brushes, with internal heating means) appears on 179 US grants and 225 published applications in this corpus.
Search patents in A45D- Granted patents
- 179
- Published applications
- 225
- Assignees
- 92
- Inventors
- 387
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 7 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 8 |
| 2003 | 4 | 10 |
| 2004 | 7 | 5 |
| 2005 | 5 | 5 |
| 2006 | 5 | 3 |
| 2007 | 1 | 3 |
| 2008 | 3 | 1 |
| 2009 | 1 | 4 |
| 2010 | 0 | 1 |
| 2011 | 0 | 8 |
| 2012 | 4 | 2 |
| 2013 | 5 | 3 |
| 2014 | 2 | 4 |
| 2015 | 2 | 9 |
| 2016 | 5 | 11 |
| 2017 | 6 | 14 |
| 2018 | 5 | 9 |
| 2019 | 1 | 2 |
| 2020 | 3 | 4 |
| 2021 | 5 | 11 |
| 2022 | 6 | 12 |
| 2023 | 5 | 17 |
| 2024 | 8 | 39 |
| 2025 | 11 | 25 |
| 2026 | 13 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Volume hair dryer brush6 Oct 2026US 12,751,532 B2
- Straightening comb with elastic floating teeth6 Oct 2026US 12,751,533 B2Dongguan Jinfeng Science and Technology Co., Ltd.
- Haircare appliance29 Sep 2026US 12,745,828 B2Dyson Technology Limited
- Identification of hair care appliance attachments4 Aug 2026US 12,696,964 B2SharkNinja Operating LLC
- Hot brush4 Aug 2026US 12,696,965 B2SharkNinja Operating LLC
- A haircare appliance8 Oct 2026US 2026/0305786 A1Dyson Technology Limited
- Attachment for a haircare appliance1 Oct 2026US 2026/0294072 A1Dyson Technology Limited
- Hair brush10 Sep 2026US 2026/0262817 A1Dyson Technology Limited
- Hair styling appliance3 Sep 2026US 2026/0256255 A1Dyson Technology Limited
- Apparatus and methods for drying or styling hair27 Aug 2026US 2026/0248255 A1
Most cited
By later US patents
- Ion emitting grooming brush80US 6,182,671 B2Sharper Image Corporation · 2001
- Ion emitting grooming brush77US 5,975,090 ASharper Image Corporation · 1999
- Device for introduction of a substance into a propelled fluid72US 6,751,886 B2Vivrant, L.L.C. · 2004
- Ion emitting grooming brush65US 6,152,146 ASharper Image Corporation · 2000
- Air-moving appliance for drying or styling hair62US 5,546,674 ABraun GmbH · 1996