F23R 3/286
Having fuel-air premixing devices
Official title: {having fuel-air premixing devices (F23R3/30 takes precedence)}
F23R3/286 (Having fuel-air premixing devices) appears on 1,925 US grants and 2,266 published applications in this corpus.
Search patents in F23R- Granted patents
- 1,925
- Published applications
- 2,266
- Assignees
- 252
- Inventors
- 2,367
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 9 | 0 |
| 1997 | 19 | 0 |
| 1998 | 15 | 0 |
| 1999 | 12 | 0 |
| 2000 | 17 | 0 |
| 2001 | 27 | 8 |
| 2002 | 35 | 26 |
| 2003 | 21 | 30 |
| 2004 | 39 | 62 |
| 2005 | 45 | 59 |
| 2006 | 40 | 39 |
| 2007 | 23 | 56 |
| 2008 | 24 | 55 |
| 2009 | 32 | 75 |
| 2010 | 30 | 130 |
| 2011 | 47 | 84 |
| 2012 | 74 | 108 |
| 2013 | 88 | 129 |
| 2014 | 70 | 170 |
| 2015 | 102 | 101 |
| 2016 | 125 | 133 |
| 2017 | 94 | 142 |
| 2018 | 84 | 123 |
| 2019 | 107 | 115 |
| 2020 | 128 | 85 |
| 2021 | 111 | 69 |
| 2022 | 100 | 82 |
| 2023 | 90 | 102 |
| 2024 | 109 | 101 |
| 2025 | 100 | 90 |
| 2026 | 68 | 92 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Gas turbine engine including hydrogen-compatible fuel-air mixer with multi-jet mixing tube6 Oct 2026US 12,753,923 B2General Electric Company
- Combustion section for a turbine engine29 Sep 2026US 12,747,862 B2General Electric Company
- Turbine engine including a combustor22 Sep 2026US 12,742,550 B2General Electric Company
- Dome combustor with air blast22 Sep 2026US 12,742,551 B1Rtx Corporation
- Swirler for a fuel nozzle assembly of a gas turbine engine8 Oct 2026US 2026/0309328 A1General Electric Company
- Device and method for injecting a hydrogen-air mixture for a turbine engine burner8 Oct 2026US 2026/0309329 A1Safran
- Gas turbine combustor and gas turbine1 Oct 2026US 2026/0298470 A1Mitsubishi Heavy Industries, Ltd.
- Combustor size rating for a gas turbine engine using hydrogen fuel24 Sep 2026US 2026/0286895 A1General Electric Company
- Gas turbine engine including fluid diodes24 Sep 2026US 2026/0287175 A1General Electric Company
Most cited
By later US patents
- Premix combustor178US 4,100,733 AUnited Technologies Corporation · 1978
- Hybrid combustor with staged injection of pre-mixed fuel163US 4,112,676 AWestinghouse Electric Corp. · 1978
- Gas turbine ultra low NOx combustor149US 5,361,586 AWestinghouse Electric Corp. · 1994
- Burner tube and method for mixing air and gas in a gas turbine engine149US 6,993,916 B2General Electric Company · 2006
- Gas turbine combustor146US 5,836,164 AHitachi, Ltd. · 1998