A45D 20/06
Heated otherwise than electrically
Official title: heated otherwise than electrically; ventilated by muscle power
A45D20/06 (Heated otherwise than electrically) appears on 32 US grants and 21 published applications in this corpus.
Search patents in A45D- Granted patents
- 32
- Published applications
- 21
- Assignees
- 13
- Inventors
- 59
- Latest grant
- 19 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 2 | 4 |
| 2005 | 2 | 1 |
| 2006 | 2 | 9 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Gas combustor having function of adjusting combusting angle19 Apr 2022US 11,306,914 B2Roburn Company Ltd.
- Hot air blower and blowing method28 May 2019US 10,299,558 B2David & D Ltd.
- Body drying system26 Jun 2018US 10,004,367 B2
- Portable hair dryer optimally having a dual heating source29 Mar 2011US 7,913,416 B1
- Gas hot air gun15 Apr 2008US 7,356,942 B2
- Gas combustor having function of adjusting combusting angle2 Jul 2020US 2020/0208834 A1Roburn Company Ltd.
- Cordless hair styling apparatus and method of use16 Jan 2020US 2020/0015562 A1
- Hot air blower and blowing method6 Apr 2017US 2017/0095049 A1David & D Ltd.
- Body drying system17 Nov 2016US 2016/0331193 A1
- Gas hot air gun18 Oct 2007US 2007/0240327 A1
Most cited
By later US patents
- Cordless hydrocarbon fuel heated hairdryer78US 5,857,262 AThe Schawbel Corporation · 1999
- Cordless hand held hot air hair dryer65US 4,635,382 A1987
- Hot airstream generating device60US 4,726,767 ANakajima Dokosho Company Limited · 1988
- Portable LPG-powered hair dryer40US 5,155,925 A1992
- Handheld cordless hair dryer35US 4,800,654 A1989