F23D 3/00
Burners using capillary action
F23D3/00 (Burners using capillary action) appears on 555 US grants and 577 published applications in this corpus.
Search patents in F23D- Granted patents
- 555
- Published applications
- 577
- Assignees
- 203
- Inventors
- 933
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 8 | 0 |
| 1984 | 12 | 0 |
| 1985 | 10 | 0 |
| 1986 | 16 | 0 |
| 1987 | 9 | 0 |
| 1988 | 11 | 0 |
| 1989 | 12 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 11 | 0 |
| 1996 | 10 | 0 |
| 1997 | 9 | 0 |
| 1998 | 12 | 0 |
| 1999 | 16 | 0 |
| 2000 | 19 | 0 |
| 2001 | 19 | 9 |
| 2002 | 12 | 10 |
| 2003 | 16 | 24 |
| 2004 | 12 | 23 |
| 2005 | 10 | 29 |
| 2006 | 11 | 42 |
| 2007 | 13 | 39 |
| 2008 | 10 | 22 |
| 2009 | 14 | 19 |
| 2010 | 15 | 22 |
| 2011 | 3 | 26 |
| 2012 | 4 | 27 |
| 2013 | 11 | 20 |
| 2014 | 10 | 25 |
| 2015 | 11 | 25 |
| 2016 | 19 | 29 |
| 2017 | 26 | 35 |
| 2018 | 22 | 33 |
| 2019 | 28 | 16 |
| 2020 | 23 | 25 |
| 2021 | 20 | 13 |
| 2022 | 16 | 13 |
| 2023 | 9 | 19 |
| 2024 | 9 | 18 |
| 2025 | 11 | 9 |
| 2026 | 6 | 5 |
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
- Candle and method of making thereof18 Aug 2026US 12,709,717 B2S. C. Johnson & Son, Inc.
- Wooden wicks including a booster for a candle and method of making14 Jul 2026US 12,680,051 B2Delcotto IP, LLC
- 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.
- Fuel container for a tabletop fire pit30 Jul 2026US 2026/0218895 A1fire friends GmbH & Co. KG
- 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.
Most cited
By later US patents