F23B 30/04
With fuel-supporting surfaces that are rotatable around a horizontal or inclined axis
Official title: with fuel-supporting surfaces that are rotatable around a horizontal or inclined axis and support the fuel on their inside, e.g. cylindrical grates
F23B30/04 (With fuel-supporting surfaces that are rotatable around a horizontal or inclined axis) appears on 10 US grants and 10 published applications in this corpus.
Search patents in F23B- Granted patents
- 10
- Published applications
- 10
- Assignees
- 10
- Inventors
- 26
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 3 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Henan longcheng coal high efficiency technology application co., ltd.2 Feb 2023US 2023/0033720 A1Henan Longheng Coal High Efficiency Technology Application Co., Ltd.
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Most cited
By later US patents
- Pellet burning system10US 4,669,396 ALeaders Heat Products · 1987
- Rotary burner for solid fuel7US 6,164,220 ASwedish Bioburner System Aktiebolag · 2000
- Heating boiler6US 4,408,547 A1983
- Solid fuel burner6US 5,680,822 A1997
- Method for automatized combustion and combustion apparatus6US 6,273,009 B1Swedish Bioburner System Aktiebolag · 2001