F23C 3/00
Combustion apparatus characterised by the shape of the combustion chamber
F23C3/00 (Combustion apparatus characterised by the shape of the combustion chamber) appears on 610 US grants and 431 published applications in this corpus.
Search patents in F23C- Granted patents
- 610
- Published applications
- 431
- Assignees
- 392
- Inventors
- 1,362
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 14 | 0 |
| 1978 | 8 | 0 |
| 1979 | 10 | 0 |
| 1980 | 15 | 0 |
| 1981 | 11 | 0 |
| 1982 | 13 | 0 |
| 1983 | 13 | 0 |
| 1984 | 16 | 0 |
| 1985 | 18 | 0 |
| 1986 | 19 | 0 |
| 1987 | 20 | 0 |
| 1988 | 10 | 0 |
| 1989 | 25 | 0 |
| 1990 | 8 | 0 |
| 1991 | 18 | 0 |
| 1992 | 10 | 0 |
| 1993 | 13 | 0 |
| 1994 | 12 | 0 |
| 1995 | 10 | 0 |
| 1996 | 12 | 0 |
| 1997 | 3 | 0 |
| 1998 | 11 | 0 |
| 1999 | 8 | 0 |
| 2000 | 17 | 0 |
| 2001 | 13 | 2 |
| 2002 | 7 | 3 |
| 2003 | 8 | 4 |
| 2004 | 3 | 4 |
| 2005 | 5 | 16 |
| 2006 | 4 | 15 |
| 2007 | 7 | 11 |
| 2008 | 4 | 19 |
| 2009 | 3 | 17 |
| 2010 | 10 | 17 |
| 2011 | 11 | 24 |
| 2012 | 9 | 18 |
| 2013 | 9 | 19 |
| 2014 | 15 | 25 |
| 2015 | 10 | 29 |
| 2016 | 12 | 33 |
| 2017 | 20 | 17 |
| 2018 | 17 | 25 |
| 2019 | 23 | 27 |
| 2020 | 20 | 24 |
| 2021 | 20 | 11 |
| 2022 | 17 | 21 |
| 2023 | 11 | 14 |
| 2024 | 14 | 15 |
| 2025 | 12 | 13 |
| 2026 | 9 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Energy-saving assembly for indirect heating systems1 Sep 2026US 12,723,752 B2Industrial Technology Research Institute
- Hydrogen gas burner26 May 2026US 12,638,173 B2Amf Den Boer B.V.
- Pyrolysis and combustion control in pyrolysis reactors, and associated systems and methods5 May 2026US 12,617,674 B2Modern Hydrogen, Inc.
- Dark radiator21 Apr 2026US 12,607,349 B2Schwank GmbH
- System and method for platinum free melting of high index glasses14 Apr 2026US 12,600,658 B2Corning Incorporated
- Hydrogen gas burner10 Sep 2026US 2026/0266459 A1Amf Den Boer B.V.
- A burner and a process for combusting metal powder3 Sep 2026US 2026/0258942 A1
- Burner, apparatus and method for the firing of ceramic articles3 Sep 2026US 2026/0258943 A1
- Reforming device27 Aug 2026US 2026/0249266 A1Kabushiki Kaisha Toyota Jidoshokki
- System and method for platinum free melting of high index glasses23 Jul 2026US 2026/0209100 A1Corning Incorporated
Most cited
By later US patents
- Heat injection process368US 5,255,742 AShell Oil Company · 1993
- Single-ended recuperative radiant tube assembly and method157US 4,401,099 AW. B. Combustion, Inc. · 1983
- Low NO.sub.x multistage combustor110US 6,089,855 AThermo Power Corporation · 2000
- Melting of glass with staged submerged combustion107US 4,539,034 APPG Industries, Inc. · 1985
- Method and apparatus for extracting crude oil from previously tapped deposits96US 4,224,991 AMesserschmitt-Bolkow-Blohm GmbH · 1980