F23B 3/00
Combustion apparatus which is portable or removable with respect to the boiler
Official title: {Combustion apparatus which is portable or removable with respect to the boiler or other apparatus which is heated}
F23B3/00 (Combustion apparatus which is portable or removable with respect to the boiler) appears on 20 US grants and 6 published applications in this corpus.
Search patents in F23B- Granted patents
- 20
- Published applications
- 6
- Assignees
- 13
- Inventors
- 33
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 4 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Hopper cleanout and pellet handling mechanism4 Mar 2025US 12,241,627 B2W. C. Bradley Company
- Air circulation system and method20 Sep 2022US 11,445,857 B2Dansons US, LLC
- Removable burn pot25 Jan 2022US 11,231,178 B2Dansons US, LLC
- Rolling fire pit holder3 May 2016US 9,328,928 B2
- Method for automatized combustion and combustion apparatus14 Aug 2001US 6,273,009 B1Swedish Bioburner System Aktiebolag
- Hopper cleanout and pellet handling mechanism4 Nov 2021US 2021/0341144 A1W. C. Bradley Company
- Optimized Biomass Combustion (Burning) for Renewing Ecosystem, Environment, and Atmosphere19 Aug 2021US 2021/0252454 A1
- Air circulation system and method17 Jun 2021US 2021/0177200 A1Dansons US, LLC
- Removable burn pot17 Jun 2021US 2021/0180793 A1Dansons US, LLC
- Rolling Fire Pit Holder5 Mar 2015US 2015/0059728 A1
Most cited
By later US patents
- Chip wood furnace and furnace retrofitting system34US 4,312,278 ABoard of Trustees of the University of Maine · 1982
- Pellet burner appliances and burners therefor20US 5,070,798 AHeatilator, Inc. · 1991
- Solid fuel stoker16US 4,593,629 AMaskinfabrikken Dan-Trim ApS · 1986
- Ignition and control system for fragmented wood-type fuel furnaces13US 4,454,827 ABoard of Trustees of the University of Maine · 1984
- Combustion cage for wood pellet and other solid fuel combustion13US 5,941,234 AThe Energex Company · 1999