F23M 9/06
In fire-boxes
Official title: in fire-boxes
F23M9/06 (In fire-boxes) appears on 140 US grants and 77 published applications in this corpus.
Search patents in F23M- Granted patents
- 140
- Published applications
- 77
- Assignees
- 89
- Inventors
- 312
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 2 |
| 2003 | 2 | 2 |
| 2004 | 2 | 3 |
| 2005 | 3 | 6 |
| 2006 | 2 | 3 |
| 2007 | 3 | 4 |
| 2008 | 3 | 3 |
| 2009 | 0 | 6 |
| 2010 | 3 | 3 |
| 2011 | 3 | 3 |
| 2012 | 3 | 10 |
| 2013 | 2 | 3 |
| 2014 | 4 | 5 |
| 2015 | 5 | 3 |
| 2016 | 5 | 8 |
| 2017 | 3 | 3 |
| 2018 | 3 | 1 |
| 2019 | 3 | 3 |
| 2020 | 0 | 2 |
| 2021 | 1 | 0 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Furnace for implementing an endothermic process11 Aug 2026US 12,704,257 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Burner and burner system with flange mount9 Apr 2024US 11,953,199 B2Clearsign Technologies Corporation
- Device for indirect heating by radiation in the form of a radiant housing27 Sep 2022US 11,454,392 B2Drever International S.A.
- Plug and play burner26 Apr 2022US 11,313,553 B2Clearsign Technologies Corporation
- Combustion tube assembly of a water heater24 Aug 2021US 11,098,924 B2Rheem Manufacturing Company
- Combustion device30 Jan 2025US 2025/0035303 A1Lepaier Global Co., Ltd.
- Furnace for implementing an endothermic process18 Jan 2024US 2024/0019122 A1L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- Burner and burner system with flange mount22 Sep 2022US 2022/0299203 A1Clearsign Technologies Corporation
- Combustion Tube Assembly Of A Water Heater18 Jun 2020US 2020/0191437 A1Rheem Manufacturing Company
- Air heater for a drying tower and drying tower for drying a product to be dried13 Feb 2020US 2020/0049405 A1Lübbers Anlagen- Und Umwelttechnik Gmbh
Most cited
By later US patents
- Low NOx burner apparatus and method106US 6,499,990 B1Zeeco, Inc. · 2002
- Incinerator for complete oxidation of impurities in a gas stream61US 5,183,646 ACustom Engineered Materials, Inc. · 1993
- Method of at least partially burning a hydrocarbon and/or carbonaceous fuel40US 4,375,949 AExxon Research & Engineering Co. · 1983
- Incineration system37US 4,395,958 AIndustronics, Inc. · 1983
- Baffle assembly for a heat exchanger tube36US 4,895,137 AVulcan-Hart Corporation · 1990