F23L 7/007
Supplying oxygen or oxygen-enriched air
Official title: {Supplying oxygen or oxygen-enriched air}
F23L7/007 (Supplying oxygen or oxygen-enriched air) appears on 550 US grants and 683 published applications in this corpus.
Search patents in F23L- Granted patents
- 550
- Published applications
- 683
- Assignees
- 291
- Inventors
- 1,267
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 13 | 2 |
| 2002 | 11 | 12 |
| 2003 | 7 | 14 |
| 2004 | 11 | 20 |
| 2005 | 13 | 19 |
| 2006 | 10 | 14 |
| 2007 | 7 | 25 |
| 2008 | 8 | 19 |
| 2009 | 13 | 29 |
| 2010 | 6 | 35 |
| 2011 | 12 | 46 |
| 2012 | 17 | 49 |
| 2013 | 32 | 35 |
| 2014 | 29 | 61 |
| 2015 | 29 | 48 |
| 2016 | 31 | 31 |
| 2017 | 49 | 29 |
| 2018 | 35 | 23 |
| 2019 | 31 | 24 |
| 2020 | 27 | 25 |
| 2021 | 13 | 19 |
| 2022 | 16 | 21 |
| 2023 | 14 | 21 |
| 2024 | 10 | 22 |
| 2025 | 22 | 26 |
| 2026 | 15 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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
- Burner with alternate modes for flexible operation21 Jul 2026US 12,687,293 B2Praxair Technology, Inc.
- Monitoring combustible matter in a gaseous stream2 Jun 2026US 12,644,599 B2L Air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation des Procedes Georges Claude
- System for storing and producing energy to stabilize the power network26 May 2026US 12,638,234 B2Saipem S.P.A.
- 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
- Method for reducing the flame temperature of a burner and burner intended therefor164US 5,104,310 AAGA Aktiebolag · 1992
- Combustion method and apparatus for producing a carbon dioxide end product164US 6,202,574 B1ABB Alstom Power Inc. · 2001
- Method and system for reducing NO.sub.x and fuel emissions in a furnace149US 5,759,022 AGas Research Institute · 1998
- Oxy-fuel burner having coaxial fuel and oxidant outlets123US 5,743,723 AAmerican Air Liquide, Inc. · 1998
- Firing method for a heat consuming device utilizing oxy-fuel combustion108US 6,702,570 B2Praxair Technology, Inc. · 2004