A45D 20/26
Guiding the air
Official title: Guiding the air; Controlling the air quantity
A45D20/26 (Guiding the air) appears on 16 US grants and 20 published applications in this corpus.
Search patents in A45D- Granted patents
- 16
- Published applications
- 20
- Assignees
- 13
- Inventors
- 44
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 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 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 2 |
| 2021 | 0 | 2 |
| 2022 | 4 | 0 |
| 2023 | 2 | 3 |
| 2024 | 0 | 4 |
| 2025 | 0 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Lava rock containing hair styling devices24 Mar 2026US 12,582,208 B2Farouk Systems, Inc.
- Apparatus for hair cooling and dehumidification3 Mar 2026US 12,564,254 B2
- Diffuser and hair dryer having a diffuser19 Dec 2023US 11,844,408 B2LG Electronics Inc.
- Applicator system for applying a cosmetic product18 Jul 2023US 11,700,929 B1ELC Management LLC
- Lava rock containing hair styling devices20 Dec 2022US 11,528,980 B2Farouk Systems, Inc.
- Multiple channel diffuser system27 Feb 2025US 2025/0064194 A1
- Haircare appliance12 Sep 2024US 2024/0298773 A1Dyson Technology Limited
- Haircare appliance29 Feb 2024US 2024/0065410 A1Dyson Technology Limited
- Hair styling appliance29 Feb 2024US 2024/0065411 A1Dyson Technology Limited
- Hair styling appliance22 Feb 2024US 2024/0057738 A1Dyson Technology Limited
Most cited
By later US patents
- Hair singer and hair dryer34US 4,254,324 A1981
- Control method of input power and airflow rate of hair dryer18US 6,792,692 B1Manica-Thai Corp., Ltd · 2004
- Diffuser and hair dryer having a diffuser10US 11,844,408 B2LG Electronics Inc. · 2023
- Hair dryer capable of adjusting volume of unheated air discharged at same time as hot air10US 9,241,556 B22016
- Hair dryer6US 11,375,792 B2LG Electronics Inc. · 2022