F23J 9/00
Preventing premature solidification of molten combustion residues
F23J9/00 (Preventing premature solidification of molten combustion residues) appears on 41 US grants and 38 published applications in this corpus.
Search patents in F23J- Granted patents
- 41
- Published applications
- 38
- Assignees
- 43
- Inventors
- 100
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 0 | 1 |
| 2004 | 2 | 1 |
| 2005 | 2 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 3 |
| 2009 | 1 | 2 |
| 2010 | 3 | 1 |
| 2011 | 3 | 4 |
| 2012 | 1 | 4 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 4 |
| 2019 | 0 | 1 |
| 2020 | 4 | 0 |
| 2021 | 1 | 2 |
| 2022 | 0 | 1 |
| 2023 | 0 | 2 |
| 2024 | 1 | 0 |
| 2025 | 2 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Low sulfur coal additive for improved furnace operation92US 7,332,002 B2ADA Environmental Solutions, LLC · 2008
- Technical and economic optimization of combustion, nitrogen oxides, sulfur dioxide, mercury, carbon dioxide, coal ash and slag and coal slurry use in coal fired furnaces/boilers56US 7,553,463 B22009
- Low sulfur coal additive for improved furnace operation50US 6,729,248 B2ADA Environmental Solutions, LLC · 2004
- Low sulfur coal additive for improved furnace operation47US 6,773,471 B2ADA Environmental Solutions, LLC · 2004
- Plasma furnace and a method of operating the same18US 5,579,705 AKansai Denryoku Kabushiki Kaisha · 1996