F23R 3/26
Controlling the air flow
F23R3/26 (Controlling the air flow) appears on 464 US grants and 364 published applications in this corpus.
Search patents in F23R- Granted patents
- 464
- Published applications
- 364
- Assignees
- 127
- Inventors
- 917
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 10 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 18 | 0 |
| 1995 | 8 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 13 | 1 |
| 2002 | 7 | 4 |
| 2003 | 4 | 4 |
| 2004 | 4 | 9 |
| 2005 | 6 | 8 |
| 2006 | 6 | 7 |
| 2007 | 6 | 6 |
| 2008 | 2 | 5 |
| 2009 | 7 | 8 |
| 2010 | 2 | 13 |
| 2011 | 3 | 12 |
| 2012 | 9 | 8 |
| 2013 | 11 | 19 |
| 2014 | 5 | 31 |
| 2015 | 16 | 17 |
| 2016 | 21 | 34 |
| 2017 | 17 | 16 |
| 2018 | 15 | 22 |
| 2019 | 21 | 27 |
| 2020 | 23 | 22 |
| 2021 | 34 | 25 |
| 2022 | 29 | 16 |
| 2023 | 21 | 29 |
| 2024 | 19 | 8 |
| 2025 | 13 | 9 |
| 2026 | 8 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Combustor dilution with vortex generating turbulators28 Jul 2026US 12,693,017 B2General Electric Company
- Apparatus and method for mitigating airflow separation around engine combustor23 Jun 2026US 12,662,962 B2Rtx Corporation
- Injector assembly for a gas turbine and aircraft26 May 2026US 12,638,185 B2Rolls-Royce Deutschland Ltd & Co KG
- Nozzle assembly with a central fuel pipe that is sealed against an in-flow of air24 Mar 2026US 12,584,631 B2Rolls-Royce Deutschland Ltd & Co KG
- Premixing apparatus3 Mar 2026US 12,565,997 B2Rinnai Corporation
- Gas turbine engine including fluid diodes24 Sep 2026US 2026/0287175 A1General Electric Company
- Gas turbine combustion cylinder, gas turbine combustor, and gas turbine2 Apr 2026US 2026/0092704 A1Mitsubishi Heavy Industries, Ltd.
- Combustor having a plurality of openings to control a vortex driver jet for a gas turbine engine26 Feb 2026US 2026/0055895 A1General Electric Company
- Wavy annular dilution slots for lower emissions19 Feb 2026US 2026/0049716 A1General Electric Company
- Supercharged combustor cooling using turbomachinery13 Nov 2025US 2025/0347249 A1Rtx Corporation
Most cited
By later US patents
- 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
- Star combustor with dilution ports in can portions109US 5,628,182 A1997
- Convectively cooled, single stage, fully premixed fuel/air combustor for gas turbine engine modules101US 5,572,862 A1996
- Combustion chamber with separate, valved air mixing passages for separate combustion zones98US 6,332,313 B1ROLLS-ROYCE plc · 2001