A45D 20/44
Hair-drying helmets whereon the ventilating means and the heating means are apart
Official title: Hair-drying helmets whereon the ventilating means and the heating means are apart from the helmet
A45D20/44 (Hair-drying helmets whereon the ventilating means and the heating means are apart) appears on 18 US grants and 12 published applications in this corpus.
Search patents in A45D- Granted patents
- 18
- Published applications
- 12
- Assignees
- 7
- Inventors
- 38
- Latest grant
- 22 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Hair dryer with scent dispenser22 Nov 2022US 11,503,891 B1Giftedness and Creativity Company
- Versatile cordless portable hair dryer for direct or bonnet usage on demand10 Apr 2018US 9,936,787 B1
- Wig drying apparatus and method7 Jul 2015US 9,072,359 B2
- Personal dryer13 Apr 2004US 6,718,650 B2
- Hair drying apparatus25 Sep 2001US 6,293,030 B1
- Combination Mist Steamer and Dryer30 Nov 2023US 2023/0380568 A1Sotro Innovations Inc.
- Wig stand18 Oct 2018US 2018/0296008 A1I2M Co., Ltd.
- Hood hair dryer attachment17 Aug 2017US 2017/0231359 A1
- Interchangeable Hair Dryer Styling Attachments28 Jan 2016US 2016/0022004 A1
- Wig Drying Apparatus and Method19 Mar 2015US 2015/0075028 A1
Most cited
By later US patents
- Portable hair dryer system with rechargeable battery pack27US 5,787,601 A1998
- Personal dryer26US 6,718,650 B22004
- Method and apparatus for drying clothes24US 4,057,907 A1977
- Apparatus for drying hair from the inside out17US 4,692,594 A1987
- Portable combination hair shampoo basin and drying hood16US 4,651,361 A1987