F23B 40/00
Combustion apparatus with driven means for feeding fuel into the combustion chamber
F23B40/00 (Combustion apparatus with driven means for feeding fuel into the combustion chamber) appears on 77 US grants and 104 published applications in this corpus.
Search patents in F23B- Granted patents
- 77
- Published applications
- 104
- Assignees
- 54
- Inventors
- 175
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 5 |
| 2008 | 0 | 4 |
| 2009 | 1 | 7 |
| 2010 | 3 | 4 |
| 2011 | 2 | 6 |
| 2012 | 2 | 3 |
| 2013 | 2 | 6 |
| 2014 | 2 | 1 |
| 2015 | 3 | 6 |
| 2016 | 1 | 3 |
| 2017 | 3 | 1 |
| 2018 | 3 | 4 |
| 2019 | 3 | 7 |
| 2020 | 4 | 18 |
| 2021 | 8 | 3 |
| 2022 | 8 | 10 |
| 2023 | 3 | 4 |
| 2024 | 5 | 3 |
| 2025 | 5 | 3 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Precise energy-saving and temperature control system for pellet grills15 Sep 2026US 12,736,224 B1Dongguan Fortress Co., Ltd.
- Jamming resistant auger for cooker9 Jun 2026US 12,650,220 B2GMG Products, LLC
- Oven17 Mar 2026US 12,575,576 B2
- Pellet grills27 Jan 2026US 12,535,219 B2
- Boiler for co-firing municipal solid waste and short timber for cultivating fungus9 Sep 2025US 12,408,598 B2Zhejiang Weiming Environment Protection Co., Ltd.
- Apparatus for feeding solid fuel feedstock into a furnace8 Oct 2026US 2026/0309324 A1British American Tobacco (Investments) Limited
- Jamming resistant auger for cooker9 Jul 2026US 2026/0194225 A1GMG Products, LLC
- Wood chip combustion furnace4 Jun 2026US 2026/0153240 A1Haohong Electric Technology (Hubei) Co., Ltd.
- Boiler device and organic waste treatment device provided with same2 Oct 2025US 2025/0305676 A1Shimose Microbes Laboratory Corporation
- Jamming resistant auger for cooker6 Mar 2025US 2025/0075901 A1GMG Products, LLC
Most cited
By later US patents
- Combustible particulate fuel heater33US 4,565,184 A1986
- Solid fuel burner24US 4,528,917 ANorthwest Iron Fireman, Inc. · 1985
- Pellet grills21US 11,181,277 B2Weber-Stephen Products LLC · 2021
- System and process for production of fuel gas from solid biomass fuel and for combustion of such fuel gas21US 5,823,122 AAlternative Energy Development, Inc. · 1998
- Apparatus for combustion of solid particulate fuel16US 4,947,769 A1990