F23D 3/18
Details of wick burners
F23D3/18 (Details of wick burners) appears on 271 US grants and 299 published applications in this corpus.
Search patents in F23D- Granted patents
- 271
- Published applications
- 299
- Assignees
- 93
- Inventors
- 460
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 10 | 0 |
| 1985 | 4 | 0 |
| 1986 | 11 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 5 |
| 2002 | 3 | 3 |
| 2003 | 9 | 17 |
| 2004 | 7 | 12 |
| 2005 | 5 | 17 |
| 2006 | 9 | 20 |
| 2007 | 5 | 20 |
| 2008 | 3 | 9 |
| 2009 | 11 | 12 |
| 2010 | 9 | 12 |
| 2011 | 1 | 11 |
| 2012 | 3 | 15 |
| 2013 | 5 | 11 |
| 2014 | 3 | 14 |
| 2015 | 5 | 14 |
| 2016 | 11 | 12 |
| 2017 | 15 | 15 |
| 2018 | 11 | 11 |
| 2019 | 14 | 12 |
| 2020 | 11 | 13 |
| 2021 | 8 | 7 |
| 2022 | 10 | 10 |
| 2023 | 2 | 11 |
| 2024 | 6 | 8 |
| 2025 | 6 | 4 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Smart candle with automatic extinguishing function22 Sep 2026US 12,742,544 B2
- Multiple candle wick assemblies and methods and apparatus for making the same10 Mar 2026US 12,570,922 B2Fil-Tec Holdings, Inc.
- Flame out candle system and method10 Mar 2026US 12,571,535 B2Aexion Inc.
- Combustion device allowing for an easy wick installation11 Nov 2025US 12,467,623 B2Pro-Iroda Industries, Inc.
- Liquid fuel stove12 Aug 2025US 12,385,647 B2
- Flame out candle system and method16 Jul 2026US 2026/0202055 A1Aexion Inc.
- Flame out candle system and method4 Jun 2026US 2026/0153235 A1Aexion Inc.
- Wax Burner and Method5 Mar 2026US 2026/0063292 A1
- Liquid Candle and a Liquid Candle Combined Device15 Jan 2026US 2026/0016154 A1Ningbo Kwung's Wisdom Art & Design Co., Ltd.
- Smart candle with automatic extinguishing function20 Nov 2025US 2025/0354686 A1
Most cited
By later US patents
- Candle wick clip, candle and method78US 6,454,561 B1Lancaster Colony Corporation · 2002
- Melody candle assembly70US 6,033,209 A2000
- Paraffin lamp69US 5,980,241 A1999
- Simmer plate dispenser for volatile active materials62US 6,780,382 B2S. C. Johnson & Son, Inc. · 2004
- Combustion apparatus59US 4,013,397 A1977