F23D 3/32
Engaging with a tube carrying the wick
Official title: engaging with a tube carrying the wick
F23D3/32 (Engaging with a tube carrying the wick) appears on 25 US grants and 8 published applications in this corpus.
Search patents in F23D- Granted patents
- 25
- Published applications
- 8
- Assignees
- 10
- Inventors
- 30
- Latest grant
- 9 Aug 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 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 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Solid fuel burning system with electronic ignition9 Aug 2022US 11,408,608 B2Masterson Enterprises, Inc.
- Torch with adjustable burn rate17 Nov 2020US 10,837,634 B2Lamplight Farms Incorporated
- Solid fuel burning system and method22 Oct 2019US 10,451,272 B2Masterson Enterprises, Inc.
- Self-extinguishing torch6 Aug 2019US 10,371,379 B2Lamplight Farms Incorporated
- Torch with operating device22 Aug 2017US 9,739,480 B2Lamplight Farms Incorporated
- Solid Fuel Burning System and Method with Electronic Ignition13 Feb 2020US 2020/0049344 A1Masterson Enterprises, Inc.
- Torch with adjustable burn rate21 Mar 2019US 2019/0086076 A1Lamplight Farms Incorporated
- Self-extinguishing torch15 Feb 2018US 2018/0045411 A1Lamplight Farms Incorporated
- Solid Fuel Burning System and Method14 Jul 2016US 2016/0201900 A1Masterson Enterprises, Inc.
- Torch with operating device18 Jun 2015US 2015/0167966 A1Lamplight Farms Incorporated
Most cited
By later US patents
- Torch assembly with wick cap and funnel20US 7,156,653 B1Original Ideas, Inc. · 2007
- Fire extinguishing device for oil burner16US 4,363,620 AToyotomi Kogyo Co., Ltd. · 1982
- Liquid fuel combustion apparatus9US 4,417,870 AToshiba Heating Appliances Co., Ltd. · 1983
- Liquid hydrocarbon burner with vertically adjustable wick6US 4,422,845 A1983
- Oil stove5US 4,458,664 AUchida Manufacturing Co., Ltd. · 1984