F23J 15/027
Using cyclone separators
Official title: {using cyclone separators}
F23J15/027 (Using cyclone separators) appears on 147 US grants and 79 published applications in this corpus.
Search patents in F23J- Granted patents
- 147
- Published applications
- 79
- Assignees
- 116
- Inventors
- 280
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 9 | 0 |
| 1988 | 10 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 3 | 4 |
| 2007 | 1 | 3 |
| 2008 | 3 | 3 |
| 2009 | 1 | 2 |
| 2010 | 2 | 2 |
| 2011 | 2 | 5 |
| 2012 | 2 | 5 |
| 2013 | 2 | 2 |
| 2014 | 2 | 3 |
| 2015 | 4 | 2 |
| 2016 | 2 | 4 |
| 2017 | 1 | 4 |
| 2018 | 3 | 6 |
| 2019 | 6 | 4 |
| 2020 | 1 | 5 |
| 2021 | 4 | 5 |
| 2022 | 2 | 0 |
| 2023 | 5 | 6 |
| 2024 | 3 | 3 |
| 2025 | 1 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- System and method for high efficiency power generation using a carbon dioxide circulating working fluid22 Oct 2024US 12,123,345 B28 Rivers Capital, LLC
- Cyclone separator arrangement9 Jul 2024US 12,030,065 B2Metso Metals Oy
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- Boiler for iron fuel combustion arrangement28 Aug 2025US 2025/0271134 A1Renewable Iron Fuel Technology B.V.
- System and method for high efficiency power generation using a carbon dioxide circulating working fluid9 Jan 2025US 2025/0012214 A18 Rivers Capital, LLC
- System for self-sustaining combustion of iron particles and method thereof17 Oct 2024US 2024/0344692 A1The Royal Institution for the Advancement of Learning/Mcgill University
- System and method for reducing pollution from a combustion chamber12 Sep 2024US 2024/0302039 A1Gavriel Clean Tech Ltd
Most cited
By later US patents
- System and process for conversion of biomass into usable energy58US 4,848,249 ATexas A&M University · 1989
- Incinerator and heat recovery system for drying wood poles50US 4,771,708 A1988
- System and method for high efficiency power generation using a carbon dioxide circulating working fluid50US 8,959,887 B28 Rivers Capital, LLC · 2015
- Apparatus for combusting a fuel at high pressure and high temperature, and associated system40US 8,986,002 B28 Rivers Capital, LLC · 2015
- Apparatus for combusting a fuel at high pressure and high temperature, and associated system40US 9,068,743 B28 Rivers Capital, LLC & Palmer Labs, LLC · 2015