F23B 1/30
Combustion apparatus using only lump fuel: characterised by the form of combustion
Official title: {characterised by the form of combustion chamber}
F23B1/30 (Combustion apparatus using only lump fuel: characterised by the form of combustion) appears on 134 US grants and 53 published applications in this corpus.
Search patents in F23B- Granted patents
- 134
- Published applications
- 53
- Assignees
- 58
- Inventors
- 186
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 7 | 0 |
| 1984 | 8 | 0 |
| 1985 | 12 | 0 |
| 1986 | 12 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 3 |
| 2019 | 0 | 1 |
| 2020 | 2 | 14 |
| 2021 | 3 | 3 |
| 2022 | 7 | 2 |
| 2023 | 3 | 5 |
| 2024 | 4 | 3 |
| 2025 | 7 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Combustible fuel burning stove with pellet adapter25 Aug 2026US 12,716,581 B2Solo Brands, LLC
- Grill cookboxes including dual-lipped lower rims30 Jun 2026US 12,669,242 B2
- Pellet grills27 Jan 2026US 12,535,219 B2
- Burn control apparatus for solid fuel18 Nov 2025US 12,474,045 B2Zippo Manufacturing Company
- Heating apparatus11 Nov 2025US 12,467,632 B2Wolf Pack Outdoors, LLC
- Combustion system comprising an annular shroud burner5 Feb 2026US 2026/0036299 A1Jupiter Oxygen Corporation
- Grill cookboxes including dual-lipped lower rims5 Jun 2025US 2025/0180203 A1Weber-Stephen Products LLC
- Combustion chamber for pellet grills2 Jan 2025US 2025/0003595 A1
- Burn control apparatus for solid fuel23 May 2024US 2024/0167677 A1Zippo Manufacturing Company
- Combustible fuel burning stove with pellet adapter29 Feb 2024US 2024/0068658 A1Solo Brands, LLC
Most cited
By later US patents