F23M 3/12
Firebridges: characterised by shape or construction
Official title: characterised by shape or construction
F23M3/12 (Firebridges: characterised by shape or construction) appears on 6 US grants and 8 published applications in this corpus.
Search patents in F23M- Granted patents
- 6
- Published applications
- 8
- Assignees
- 5
- Inventors
- 17
- Latest grant
- 15 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 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 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Annealing furnace, method of constructing annealing furnace, and structure for prefabrication15 Jul 2025US 12,359,277 B2Maftec Co., Ltd.
- Multiple spark and multiple sense igniter assembly and system17 May 2022US 11,333,357 B2Baso Gas Products, LLC
- Mobile heating device operated with liquid fuel12 Sep 2017US 9,759,448 B2Webasto SE
- Water heating chamber system21 Mar 2006US 7,013,842 B2
- Waste incinerating method and apparatus with counter-current exhaust gas flow21 Mar 2000US 6,038,988 AForschungszentrum Kalsruhe GmbH
- Annealing furnace, method of constructing annealing furnace, and structure for prefabrication5 Jun 2025US 2025/0179604 A1Maftec Co., Ltd.
- Annealing furnace, method of constructing annealing furnace, and structure for prefabrication1 Dec 2022US 2022/0380864 A1Maftec Co., Ltd.
- Multiple spark and multiple sense igniter assembly and system16 Apr 2020US 2020/0116358 A1Baso Gas Products, LLC
- Radiant heat chamber for boilers9 Nov 2017US 2017/0321894 A1
- Mobile heating device operated with liquid fuel12 Feb 2015US 2015/0040885 A1Webasto SE
Most cited
By later US patents