F24H 2230/00
Solid fuel fired boiler
F24H2230/00 (Solid fuel fired boiler) appears on 57 US grants and 23 published applications in this corpus.
Search patents in F24H- Granted patents
- 57
- Published applications
- 23
- Assignees
- 18
- Inventors
- 86
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 9 | 0 |
| 1985 | 7 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 1 | 3 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 4 |
| 2014 | 3 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 3 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 3 |
| 2020 | 2 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Heating device with improved efficiency2 Sep 2025US 12,405,010 B2Suter Entfeuchtungstechnik AG
- Use of a rope of fibrous plant material as combustible material18 Oct 2022US 11,473,240 B2
- Furnace13 Oct 2020US 10,801,738 B2Fire Chief Industries LLC
- Combustion apparatus7 Jan 2020US 10,527,279 B2Rinnai Corporation
- Outdoor wood-burning boiler12 Sep 2017US 9,759,428 B2
- Air-conditioning apparatus for indoor environments25 Sep 2025US 2025/0297750 A1Mcz Group S.P.A.
- Heating device with improved efficiency4 May 2023US 2023/0139453 A1Suter Entfeuchtungstechnik AG
- Rotary Cascading Bed Combustion System16 Jul 2020US 2020/0224869 A1
- Use of a rope of fibrous plant material as combustible material2 Jul 2020US 2020/0208345 A1
- Combustion Apparatus14 Mar 2019US 2019/0078776 A1Rinnai Corporation
Most cited
By later US patents
- Combustible particulate fuel heater33US 4,565,184 A1986
- Stove19US 4,419,942 A1983
- Biomass-fueled furnace17US 4,559,882 A1985
- Heating system16US 4,479,605 A1984
- Apparatus for heating a heat transfer fluid protected against overheating15US 4,044,727 AKonus-Kessel Gesellschaft fur Warmetechnik mbH & Co. KG · 1977