F23G 5/46
Recuperation of heat
F23G5/46 (Recuperation of heat) appears on 466 US grants and 394 published applications in this corpus.
Search patents in F23G- Granted patents
- 466
- Published applications
- 394
- Assignees
- 338
- Inventors
- 1,023
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 11 | 0 |
| 1978 | 8 | 0 |
| 1979 | 3 | 0 |
| 1980 | 12 | 0 |
| 1981 | 8 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 13 | 0 |
| 1985 | 2 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 10 | 0 |
| 1990 | 13 | 0 |
| 1991 | 10 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 9 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 13 | 0 |
| 1998 | 11 | 0 |
| 1999 | 8 | 0 |
| 2000 | 9 | 0 |
| 2001 | 14 | 2 |
| 2002 | 10 | 11 |
| 2003 | 5 | 5 |
| 2004 | 11 | 17 |
| 2005 | 8 | 17 |
| 2006 | 12 | 10 |
| 2007 | 9 | 13 |
| 2008 | 2 | 9 |
| 2009 | 4 | 23 |
| 2010 | 9 | 22 |
| 2011 | 5 | 24 |
| 2012 | 11 | 19 |
| 2013 | 8 | 39 |
| 2014 | 10 | 25 |
| 2015 | 14 | 16 |
| 2016 | 21 | 16 |
| 2017 | 15 | 17 |
| 2018 | 12 | 14 |
| 2019 | 16 | 11 |
| 2020 | 9 | 20 |
| 2021 | 16 | 13 |
| 2022 | 10 | 20 |
| 2023 | 13 | 12 |
| 2024 | 9 | 7 |
| 2025 | 4 | 9 |
| 2026 | 7 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flue gas purification system for hazardous waste incineration and purification method25 Aug 2026US 12,714,969 B2Chongqing Greening Environmental Protection Co. Ltd
- 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
- Incineration system21 Apr 2026US 12,607,351 B2
- Process and system for converting waste plastic into power17 Mar 2026US 12,577,480 B2University of South Africa
- Treatment apparatus and treatment method for raw material24 Feb 2026US 12,559,444 B2Ebara Environmental Plant Co., Ltd.
- Baler boiler apparatus and method4 Jun 2026US 2026/0153050 A1
- Waste incineration facility19 Mar 2026US 2026/0078900 A1Shimose Microbes Laboratory Corporation
- Specialized air distribution system and air distribution method for a waste incinerator with sludge co-incineration19 Mar 2026US 2026/0078901 A1Guangdong University of Technology
- Method for processing composite material waste, device for implementing the method and recycled fiber obtained thereby11 Dec 2025US 2025/0376570 A1Alpha Recyclage Composites
- Exhaust gas treatment system, power generation facility comprising same, and exhaust gas treatment method2 Oct 2025US 2025/0303358 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Biomass gasification system and method82US 6,808,543 B2Ferco Enterprises, Inc. · 2004
- Method and apparatus for producing superheated steam using heat from the incineration of waste material59US 6,133,499 AMitsubishi Heavy Industries, Ltd. · 2000
- Methods for generating energy using agricultural biofuel57US 7,263,934 B2Alliant Energy Corporate Services, Inc. · 2007
- Heat recovery system and method of heat recovery and reuse for a portable incineration apparatus52US 6,536,360 B2Air Burners, Inc. · 2003
- Energy recovery system for an incinerator51US 4,485,746 AKelley Company, Inc. · 1984