F23R 3/12
Inducing a vortex
Official title: inducing a vortex
F23R3/12 (Inducing a vortex) appears on 1,264 US grants and 1,287 published applications in this corpus.
Search patents in F23R- Granted patents
- 1,264
- Published applications
- 1,287
- Assignees
- 199
- Inventors
- 1,843
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 8 | 0 |
| 1981 | 5 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 14 | 0 |
| 1993 | 14 | 0 |
| 1994 | 18 | 0 |
| 1995 | 10 | 0 |
| 1996 | 11 | 0 |
| 1997 | 16 | 0 |
| 1998 | 16 | 0 |
| 1999 | 10 | 0 |
| 2000 | 13 | 0 |
| 2001 | 24 | 5 |
| 2002 | 22 | 9 |
| 2003 | 15 | 19 |
| 2004 | 19 | 30 |
| 2005 | 25 | 24 |
| 2006 | 17 | 19 |
| 2007 | 8 | 32 |
| 2008 | 10 | 26 |
| 2009 | 16 | 53 |
| 2010 | 16 | 72 |
| 2011 | 24 | 46 |
| 2012 | 45 | 68 |
| 2013 | 47 | 54 |
| 2014 | 35 | 78 |
| 2015 | 55 | 59 |
| 2016 | 66 | 89 |
| 2017 | 44 | 74 |
| 2018 | 53 | 72 |
| 2019 | 76 | 86 |
| 2020 | 74 | 59 |
| 2021 | 89 | 36 |
| 2022 | 57 | 43 |
| 2023 | 60 | 72 |
| 2024 | 69 | 62 |
| 2025 | 58 | 45 |
| 2026 | 44 | 55 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Combustion section for a turbine engine29 Sep 2026US 12,747,862 B2General Electric Company
- Fuel nozzle and swirler1 Sep 2026US 12,723,758 B2General Electric Company
- Combustor for a gas turbine1 Sep 2026US 12,723,759 B2Siemens Energy Global GmbH & Co. KG
- Turbine engine having a combustion section with a fuel nozzle having a gaseous fuel supply channel25 Aug 2026US 12,716,586 B2General Electric Company
- Combustion section for a turbine engine18 Aug 2026US 12,710,175 B2General Electric Company
- Swirler for a fuel nozzle assembly of a gas turbine engine8 Oct 2026US 2026/0309328 A1General Electric Company
- Annular vortex combustor for a turbine engine8 Oct 2026US 2026/0309330 A1General Electric Company
- Fuel injector for a gas turbine engine17 Sep 2026US 2026/0276197 A1General Electric Company
- Reverse Flame Vortex Combustion Chamber10 Sep 2026US 2026/0266465 A1
- Combustor and gas turbine3 Sep 2026US 2026/0258952 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Burner tube and method for mixing air and gas in a gas turbine engine149US 6,993,916 B2General Electric Company · 2006
- High inlet mach combustor for gas turbine engine135US 5,619,855 AGeneral Electric Company · 1997
- Gas turbine combustor swirl vane arrangement131US 5,394,688 AWestinghouse Electric Corp. · 1995
- Gas turbine combustor131US 5,490,378 AMTU Motoren- und Turbinen-Union Muenchen GmbH · 1996
- Air fuel mixer for gas turbine combustor128US 5,251,447 AGeneral Electric Company · 1993