F23G 5/14
Including secondary combustion
Official title: including secondary combustion
F23G5/14 (Including secondary combustion) appears on 555 US grants and 268 published applications in this corpus.
Search patents in F23G- Granted patents
- 555
- Published applications
- 268
- Assignees
- 369
- Inventors
- 1,090
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 11 | 0 |
| 1978 | 8 | 0 |
| 1979 | 9 | 0 |
| 1980 | 7 | 0 |
| 1981 | 11 | 0 |
| 1982 | 13 | 0 |
| 1983 | 10 | 0 |
| 1984 | 17 | 0 |
| 1985 | 12 | 0 |
| 1986 | 13 | 0 |
| 1987 | 11 | 0 |
| 1988 | 18 | 0 |
| 1989 | 19 | 0 |
| 1990 | 20 | 0 |
| 1991 | 16 | 0 |
| 1992 | 10 | 0 |
| 1993 | 17 | 0 |
| 1994 | 22 | 0 |
| 1995 | 17 | 0 |
| 1996 | 11 | 0 |
| 1997 | 18 | 0 |
| 1998 | 17 | 0 |
| 1999 | 17 | 0 |
| 2000 | 14 | 0 |
| 2001 | 22 | 3 |
| 2002 | 14 | 3 |
| 2003 | 6 | 12 |
| 2004 | 12 | 16 |
| 2005 | 14 | 18 |
| 2006 | 11 | 12 |
| 2007 | 4 | 14 |
| 2008 | 7 | 15 |
| 2009 | 10 | 13 |
| 2010 | 5 | 13 |
| 2011 | 7 | 11 |
| 2012 | 7 | 20 |
| 2013 | 9 | 11 |
| 2014 | 9 | 17 |
| 2015 | 9 | 8 |
| 2016 | 5 | 13 |
| 2017 | 10 | 12 |
| 2018 | 11 | 8 |
| 2019 | 8 | 15 |
| 2020 | 7 | 6 |
| 2021 | 11 | 7 |
| 2022 | 1 | 9 |
| 2023 | 4 | 5 |
| 2024 | 3 | 3 |
| 2025 | 3 | 1 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Gasification furnace operating method and gasification furnace18 Aug 2026US 12,709,714 B2Ebara Environmental Plant Co., Ltd.
- Materials recycling apparatus24 Feb 2026US 12,560,321 B2Manik Ventures Limited
- Multi-autoclave lateral conversion module30 Dec 2025US 12,508,564 B2Bright Sand, Inc.
- Thermal oxidization systems and methods with greenhouse gas capture2 Sep 2025US 12,405,003 B2Emission Rx Ltd.
- Apparatus, system and method for pyrolysing and combusting a material24 Jun 2025US 12,338,994 B2Eco-Global Energy Pty Limited
- Material conversion apparatus30 Jul 2026US 2026/0218898 A1Elemental Induction, LLC
- Compact domestic waste pyrolysis apparatus with integrated multi-chamber secondary combustion chamber21 May 2026US 2026/0139831 A1Kainos Renew Inc.
- Specialized air distribution system and air distribution method for a waste incinerator with sludge co-incineration19 Mar 2026US 2026/0078901 A1Guangdong University of Technology
- Thermal oxidization systems and methods with greenhouse gas capture20 Nov 2025US 2025/0354687 A1
- Thermochemical system and method24 Oct 2024US 2024/0353099 A1
Most cited
By later US patents
- Variable heat generating method and apparatus129US 4,622,007 AAmerican Combustion, Inc. · 1986
- Waste material incineration system and method118US 4,440,098 AEnergy Recovery Group, Inc. · 1984
- Method and apparatus for generating highly luminous flame78US 4,797,087 AAmerican Combustion, Inc. · 1989
- Method for reducing NOX in combustion flue gas using metal-containing additives73US 6,206,685 B1GE Energy & Environmental Research Corporation · 2001
- Treatment of oil field wastes69US 4,751,887 AEnvironmental Pyrogenics Services, Inc. · 1988