F23D 3/30
Directly engaging with the wick
Official title: directly engaging with the wick
F23D3/30 (Directly engaging with the wick) appears on 14 US grants and 18 published applications in this corpus.
Search patents in F23D- Granted patents
- 14
- Published applications
- 18
- Assignees
- 7
- Inventors
- 25
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 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 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 2 |
| 2024 | 2 | 2 |
| 2025 | 0 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flame out candle system and method10 Mar 2026US 12,571,535 B2Aexion Inc.
- Floating wick13 Aug 2024US 12,060,993 B2
- Torch system with predictive control of automatic fuel replenishment16 Apr 2024US 11,957,120 B2
- Torch with operating device22 Aug 2017US 9,739,480 B2Lamplight Farms Incorporated
- Modular wick holder25 Oct 2016US 9,476,586 B2Pro-Iroda Industries, Inc.
- Flame out candle system and method16 Jul 2026US 2026/0202055 A1Aexion Inc.
- Flame out candle system and method4 Jun 2026US 2026/0153235 A1Aexion Inc.
- Fuel Can30 Oct 2025US 2025/0333212 A1Tangshan Saidisi Metal Packaging Co., Ltd.
- Flame producing assembly reducing fuel evaporation14 Nov 2024US 2024/0377064 A1BIC Violex Single Member S.A.
- Torch system with predictive control of automatic fuel replenishment18 Jan 2024US 2024/0016140 A1
Most cited
By later US patents