F23G 2203/00
Furnace arrangements
F23G2203/00 (Furnace arrangements) appears on 582 US grants and 388 published applications in this corpus.
Search patents in F23G- Granted patents
- 582
- Published applications
- 388
- Assignees
- 402
- Inventors
- 1,226
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 10 | 0 |
| 1983 | 4 | 0 |
| 1984 | 9 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 13 | 0 |
| 1989 | 8 | 0 |
| 1990 | 16 | 0 |
| 1991 | 18 | 0 |
| 1992 | 15 | 0 |
| 1993 | 10 | 0 |
| 1994 | 16 | 0 |
| 1995 | 21 | 0 |
| 1996 | 6 | 0 |
| 1997 | 15 | 0 |
| 1998 | 24 | 0 |
| 1999 | 27 | 0 |
| 2000 | 19 | 0 |
| 2001 | 28 | 3 |
| 2002 | 23 | 17 |
| 2003 | 9 | 14 |
| 2004 | 14 | 14 |
| 2005 | 11 | 13 |
| 2006 | 10 | 13 |
| 2007 | 7 | 17 |
| 2008 | 7 | 15 |
| 2009 | 7 | 14 |
| 2010 | 10 | 18 |
| 2011 | 5 | 14 |
| 2012 | 7 | 20 |
| 2013 | 17 | 18 |
| 2014 | 10 | 15 |
| 2015 | 12 | 19 |
| 2016 | 6 | 18 |
| 2017 | 13 | 9 |
| 2018 | 19 | 22 |
| 2019 | 14 | 13 |
| 2020 | 12 | 19 |
| 2021 | 17 | 21 |
| 2022 | 8 | 19 |
| 2023 | 16 | 17 |
| 2024 | 11 | 9 |
| 2025 | 11 | 9 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F23G 2203/20Rotary drum furnaceIndexing code164
- F23G 2203/50Fluidised bed furnaceIndexing code113
- F23G 2203/80Furnaces with other means for moving the waste through the combustion zoneIndexing code111
- F23G 2203/30Cyclonic combustion furnaceIndexing code53
- F23G 2203/60Mobile furnaceIndexing code50
- F23G 2203/40Stationary bed furnaceIndexing code43
- F23G 2203/101Furnace arrangements: with stepped or inclined grateIndexing code39
- F23G 2203/107Furnace arrangements: with vibrating grateIndexing code24
Recent patents
- Thermal processing apparatus with a heating device operated with hydrogen, sustainable cremation, free of CO215 Sep 2026US 12,736,220 B2Albert Hesse Familienstiftung
- Biochar production plant, a combustion chamber and a method of operating the combustion chamber25 Aug 2026US 12,716,584 B2
- Gasification furnace operating method and gasification furnace18 Aug 2026US 12,709,714 B2Ebara Environmental Plant Co., Ltd.
- Water-cooled grate block for an incinerator9 Jun 2026US 12,650,224 B2Kanadevia Inova AG
- Vertical thermal pressure vessel30 Dec 2025US 12,509,635 B1
- Modular effluent stream treatment apparatus and assembly method thereof10 Sep 2026US 2026/0266281 A1Bht Services Pte. Ltd.
- Method and apparatus for cleaning gasification product and use30 Jul 2026US 2026/0218073 A1
- Material conversion apparatus30 Jul 2026US 2026/0218898 A1Elemental Induction, LLC
- Solid Fuel Combustion Apparatus and Method18 Jun 2026US 2026/0168667 A1Air Products and Chemicals, Inc.
- Baler boiler apparatus and method4 Jun 2026US 2026/0153050 A1
Most cited
By later US patents
- Apparatus and process for the pyrolysis of agricultural biomass113US 7,943,014 B2Agri-Therm Limited · 2011
- Low sulfur coal additive for improved furnace operation92US 7,332,002 B2ADA Environmental Solutions, LLC · 2008
- Method and apparatus for the pyrolysis of waste products78US 4,759,300 ABalboa Pacific Corporation · 1988
- Method and apparatus for the pyrolysis of waste products75US 4,084,521 A1978
- Method and device for controlling the temperature of a reaction carried out in a fluidized bed75US 4,552,203 ACreusot-Loire · 1985