F23G 7/066
Preheating the waste gas by the heat of the combustion
Official title: {preheating the waste gas by the heat of the combustion, e.g. recuperation type incinerator}
F23G7/066 (Preheating the waste gas by the heat of the combustion) appears on 296 US grants and 162 published applications in this corpus.
Search patents in F23G- Granted patents
- 296
- Published applications
- 162
- Assignees
- 158
- Inventors
- 462
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 8 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 9 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 13 | 0 |
| 1993 | 9 | 0 |
| 1994 | 19 | 0 |
| 1995 | 9 | 0 |
| 1996 | 12 | 0 |
| 1997 | 14 | 0 |
| 1998 | 11 | 0 |
| 1999 | 12 | 0 |
| 2000 | 7 | 0 |
| 2001 | 13 | 1 |
| 2002 | 2 | 5 |
| 2003 | 7 | 6 |
| 2004 | 4 | 10 |
| 2005 | 5 | 7 |
| 2006 | 5 | 6 |
| 2007 | 0 | 6 |
| 2008 | 4 | 4 |
| 2009 | 1 | 5 |
| 2010 | 6 | 3 |
| 2011 | 0 | 5 |
| 2012 | 3 | 3 |
| 2013 | 3 | 16 |
| 2014 | 2 | 7 |
| 2015 | 7 | 9 |
| 2016 | 13 | 10 |
| 2017 | 9 | 3 |
| 2018 | 4 | 2 |
| 2019 | 8 | 4 |
| 2020 | 1 | 3 |
| 2021 | 5 | 7 |
| 2022 | 4 | 11 |
| 2023 | 6 | 12 |
| 2024 | 7 | 9 |
| 2025 | 6 | 6 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Arrangement handling purged alcohol-based fuel and a method thereof8 Sep 2026US 12,729,853 B2Alfa Laval Corporate AB
- Regenerative thermal oxidizer, system comprising a regenerative thermal oxidizer and method of operating a regenerative thermal oxidizer12 May 2026US 12,624,833 B2Koch Engineered Solutions, LLC
- Thermal regenerative fluid processing apparatus7 Apr 2026US 12,595,906 B2Rotoheater LLC
- Emission reduction system10 Mar 2026US 12,571,533 B2Etter Engineering Company, Inc.
- Scrubber burner10 Feb 2026US 12,546,470 B2Kabushiki Kaisha CSK
- Emission reduction system8 Oct 2026US 2026/0309327 A1Etter Engineering Company, Inc.
- Systems and methods for treatment of ventilation air methane5 Mar 2026US 2026/0061366 A1Archaea Energy Inc.
- Emission reduction system25 Sep 2025US 2025/0297734 A1Etter Engineering Company, Inc.
- Indexing Valve For Regenerative Thermal Oxidizer5 Jun 2025US 2025/0180128 A1Process Combustion Corporation
- Regenerative thermal oxidizer gas flow control system and related methods22 May 2025US 2025/0164011 A1Nestec S.A.
Most cited
By later US patents
- Microturbine for combustion of VOCs71US 6,895,760 B2Ingersoll-Rand Energy Systems Corporation · 2005
- Method and apparatus for recuperative heating of reactants in an reaction matrix66US 5,320,518 AThermatrix, Inc. · 1994
- Regenerative thermal oxidizer62US 5,376,340 AABB Air Preheater, Inc. · 1994
- Process for combustion or decomposition of pollutants and equipment therefor60US 4,741,690 A1988
- Double valve anti-leak system for thermal regeneration incinerators55US 4,252,070 ARegenerative Environmental Equipment Co., Inc. · 1981