F23D 3/20
Flame spreaders
F23D3/20 (Flame spreaders) appears on 8 US grants and 12 published applications in this corpus.
Search patents in F23D- Granted patents
- 8
- Published applications
- 12
- Assignees
- 6
- Inventors
- 20
- Latest grant
- 12 May 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 3 |
| 2016 | 2 | 0 |
| 2017 | 3 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Easy-to-use combustion device12 May 2020US 10,648,660 B2Pro-Iroda Industries, Inc.
- Torch with elevated platform9 Apr 2019US 10,253,975 B2Lamplight Farms Incorporated
- Adjustable vortex flame device8 Aug 2017US 9,726,368 B2Pro-Iroda Industries, Inc.
- Safe combustion device16 May 2017US 9,651,246 B2Pro-Iroda Industries, Inc.
- Enhanced torch top burner4 Apr 2017US 9,612,010 B1Lamplight Farms Incorporated
- Combustion Device19 Mar 2020US 2020/0088401 A1Pro-Iroda Industries, Inc.
- Easy-To-Use Combustion Device3 Oct 2019US 2019/0301730 A1Pro-lroda Industries, Inc.
- Torch with elevated platform21 Sep 2017US 2017/0268770 A1Lamplight Farms Incorporated
- Thermoelectric Generator Arrangement31 Dec 2015US 2015/0380626 A1
- Adjustable vortex flame device cross reference to related application18 Jun 2015US 2015/0167962 A1Pro-lroda Industries, Inc.
Most cited
By later US patents
- Adjustable vortex flame device13US 9,377,187 B2Pro-Iroda Industries, Inc. · 2016
- Safe combustion device13US 9,651,246 B2Pro-Iroda Industries, Inc. · 2017
- Adjustable vortex flame device10US 9,726,368 B2Pro-Iroda Industries, Inc. · 2017
- Liquid fuel combustion apparatus4US 4,427,365 AMatsushita Electric Industrial Co., Ltd. · 1984
- Torch with elevated platform1US 10,253,975 B2Lamplight Farms Incorporated · 2019