F23B 5/02
In main combustion chamber
Official title: {in main combustion chamber}
F23B5/02 (In main combustion chamber) appears on 30 US grants and 20 published applications in this corpus.
Search patents in F23B- Granted patents
- 30
- Published applications
- 20
- Assignees
- 27
- Inventors
- 78
- Latest grant
- 22 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 2 | 3 |
| 2014 | 0 | 1 |
| 2015 | 3 | 0 |
| 2016 | 0 | 3 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 2 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 3 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Catalytic oxidizer22 Nov 2022US 11,506,379 B2
- Combustor for various types of solid fuels12 Jan 2021US 10,890,321 B2
- Radiant boiler for pressurized oxy-combustion and method of radiant trapping to control heat flux in high temperature particle-laden flows at elevated pressure4 Aug 2020US 10,731,847 B2Washington University
- Thermochemical regeneration with soot formation14 Jan 2020US 10,533,743 B2Praxair Technology, Inc.
- Device for preventing steam from being produced in flue gas cooler for oxyfuel combustion boiler27 Feb 2018US 9,903,583 B2IHI Corporation
- Secondary combustion structure of smokeless stove16 Nov 2023US 2023/0366537 A1Hangzhou Yixiang Technology Research and Development Co., Ltd.
- Cooking appliance monitoring system for an apparatus for cooking and a method thereof12 Oct 2023US 2023/0324045 A1
- Oxygen injection for alternative fuels used in cement production8 Jun 2023US 2023/0175781 A1Messer Austria GmbH
- Catalytic Oxidizer18 Feb 2021US 2021/0048189 A1
- Heating Device Using Wood Fuel21 May 2020US 2020/0158375 A1Pyroheat OÜ
Most cited
By later US patents
- Apparatus and method for reducing particulate emissions from combustion processes63US 5,702,244 AThermal Energy Systems, Incorporated · 1997
- Char reinjection system for bark fired furnace20US 4,532,872 ACombustion Engineering, Inc. · 1985
- Reburn process18US 5,937,772 AInstitute of Gas Technology · 1999
- Combustion system with partial recirculation of exhaust gases and feed mechanism therefor13US 4,242,972 A1981
- Stove construction13US 4,316,444 A1982