F23L 7/00
Supplying non-combustible liquids or gases, other than air, to the fire
Official title: Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
F23L7/00 (Supplying non-combustible liquids or gases, other than air, to the fire) appears on 1,077 US grants and 1,043 published applications in this corpus.
Search patents in F23L- Granted patents
- 1,077
- Published applications
- 1,043
- Assignees
- 536
- Inventors
- 2,318
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 9 | 0 |
| 1978 | 12 | 0 |
| 1979 | 7 | 0 |
| 1980 | 6 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 11 | 0 |
| 1984 | 8 | 0 |
| 1985 | 18 | 0 |
| 1986 | 11 | 0 |
| 1987 | 7 | 0 |
| 1988 | 10 | 0 |
| 1989 | 7 | 0 |
| 1990 | 18 | 0 |
| 1991 | 7 | 0 |
| 1992 | 10 | 0 |
| 1993 | 16 | 0 |
| 1994 | 16 | 0 |
| 1995 | 18 | 0 |
| 1996 | 12 | 0 |
| 1997 | 17 | 0 |
| 1998 | 24 | 0 |
| 1999 | 20 | 0 |
| 2000 | 14 | 0 |
| 2001 | 30 | 7 |
| 2002 | 22 | 25 |
| 2003 | 24 | 38 |
| 2004 | 26 | 42 |
| 2005 | 38 | 39 |
| 2006 | 20 | 33 |
| 2007 | 11 | 40 |
| 2008 | 12 | 25 |
| 2009 | 27 | 49 |
| 2010 | 19 | 60 |
| 2011 | 26 | 66 |
| 2012 | 26 | 68 |
| 2013 | 57 | 64 |
| 2014 | 37 | 87 |
| 2015 | 39 | 54 |
| 2016 | 43 | 47 |
| 2017 | 61 | 36 |
| 2018 | 49 | 31 |
| 2019 | 48 | 36 |
| 2020 | 35 | 32 |
| 2021 | 19 | 26 |
| 2022 | 22 | 29 |
| 2023 | 17 | 26 |
| 2024 | 15 | 35 |
| 2025 | 34 | 34 |
| 2026 | 21 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- CLC method and plant with recovery of gaseous oxygen produced by an oxygen carrier29 Sep 2026US 12,747,859 B2Ifp Energies Nouvelles
- Systems and methods for operation of a flexible fuel combustor25 Aug 2026US 12,716,589 B28 Rivers Capital, LLC
- Monitoring and maintaining flare tip temperatures4 Aug 2026US 12,698,896 B2Saudi Arabian Oil Company
- Burner with alternate modes for flexible operation21 Jul 2026US 12,687,293 B2Praxair Technology, Inc.
- Gaseous fuel and liquid water injection for turbine engine14 Jul 2026US 12,680,497 B2Rtx Corporation
- Building Emission Processing and/or Sequestration Systems and Methods10 Sep 2026US 2026/0266457 A1Carbonquest, Inc.
- Building Emission Processing and/or Sequestration Systems and Methods27 Aug 2026US 2026/0251297 A1Carbonquest, Inc.
- Burner assembly and method for operating a burner assembly13 Aug 2026US 2026/0235285 A1Messer Austria GmbH
- Combustion system capable of operating with a recycling of combustion fumes30 Jul 2026US 2026/0218900 A1Carbodown
- Systems for oxyfuel combustion furnaces with heat recapture and reduced recirculation of flue gas23 Jul 2026US 2026/0208135 A1Sabic Global Technologies B.V.
Most cited
By later US patents
- Apparatus and method for controlled combustion of gaseous pollutants388US 7,569,193 B2APPLIED Materials.Inc. · 2009
- Semi-closed Brayton cycle gas turbine power systems196US 6,910,335 B2Clean Energy Systems, Inc. · 2005
- Semi-closed brayton cycle gas turbine power systems191US 6,637,183 B2Clean Energy Systems, Inc. · 2003
- Trifluid reactor177US 7,523,603 B2Vast Power Portfolio, LLC · 2009
- Semi-closed brayton cycle gas turbine power systems169US 6,622,470 B2Clean Energy Systems, Inc. · 2003