F23M 2700/005
Structures of combustion chambers or smoke ducts
F23M2700/005 (Structures of combustion chambers or smoke ducts) appears on 14 US grants and 20 published applications in this corpus.
Search patents in F23M- Granted patents
- 14
- Published applications
- 20
- Assignees
- 13
- Inventors
- 37
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 4 |
| 2017 | 0 | 0 |
| 2018 | 3 | 0 |
| 2019 | 1 | 2 |
| 2020 | 2 | 1 |
| 2021 | 0 | 3 |
| 2022 | 2 | 5 |
| 2023 | 4 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Annealing furnace, method of constructing annealing furnace, and structure for prefabrication15 Jul 2025US 12,359,277 B2Maftec Co., Ltd.
- Tile assembly for a waterwall panel26 Dec 2023US 11,852,338 B2Zampell Refractories, Inc.
- Biomass heating system with optimized flue gas treatment25 Jul 2023US 11,708,999 B2Sl-Technik GmbH
- Firebox floor of a furnace for combusting wood18 Jul 2023US 11,703,222 B2Heatmaster Furnaces Inc.
- Rotating grate with a cleaning device for a biomass heating system25 Apr 2023US 11,635,231 B2Sl-Technik GmbH
- Fireplace Enclosure28 May 2026US 2026/0146736 A1
- Combustion chamber comprising a modular refractory sidewall and refractory panel for the same20 Nov 2025US 2025/0354225 A1Les éQuipements Lapierre Inc.
- Annealing furnace, method of constructing annealing furnace, and structure for prefabrication5 Jun 2025US 2025/0179604 A1Maftec Co., Ltd.
- Firebrick Liner Panel Device6 Feb 2025US 2025/0043956 A1
- Annealing furnace, method of constructing annealing furnace, and structure for prefabrication1 Dec 2022US 2022/0380864 A1Maftec Co., Ltd.
Most cited
By later US patents