F23R 3/06
Arrangement of apertures along the flame tube
F23R3/06 (Arrangement of apertures along the flame tube) appears on 1,008 US grants and 1,109 published applications in this corpus.
Search patents in F23R- Granted patents
- 1,008
- Published applications
- 1,109
- Assignees
- 147
- Inventors
- 1,582
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 7 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 8 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 10 | 4 |
| 2002 | 16 | 14 |
| 2003 | 12 | 13 |
| 2004 | 10 | 9 |
| 2005 | 8 | 11 |
| 2006 | 11 | 12 |
| 2007 | 8 | 18 |
| 2008 | 2 | 16 |
| 2009 | 11 | 28 |
| 2010 | 10 | 50 |
| 2011 | 23 | 21 |
| 2012 | 22 | 34 |
| 2013 | 20 | 65 |
| 2014 | 28 | 66 |
| 2015 | 44 | 59 |
| 2016 | 50 | 124 |
| 2017 | 37 | 90 |
| 2018 | 51 | 81 |
| 2019 | 89 | 71 |
| 2020 | 115 | 61 |
| 2021 | 78 | 46 |
| 2022 | 69 | 44 |
| 2023 | 58 | 64 |
| 2024 | 56 | 40 |
| 2025 | 40 | 42 |
| 2026 | 31 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Coupling assembly for a turbine engine1 Oct 2026US 2026/0298472 A1General Electric Company
- Differential cooling in a small combustor27 Aug 2026US 2026/0251302 A1GE Avio S. r. l.
- Combustion liner having cooling holes with stepped upstream sidewall20 Aug 2026US 2026/0243422 A1
- Inspection port for an attritable engine support structure20 Aug 2026US 2026/0243423 A1Rtx Corporation
- Cylinder for combustor, combustor, and gas turbine13 Aug 2026US 2026/0235052 A1Mitsubishi Heavy Industries, Ltd.
Most cited
By later US patents
- Method and apparatus for cooling combustor liner and transition piece of a gas turbine139US 7,010,921 B2General Electric Company · 2006
- Low emissions combustor for a gas turbine engine134US 6,810,673 B2United Technologies Corporation · 2004
- Low emissions combustor for a gas turbine engine125US 6,606,861 B2United Technologies Corporation · 2003
- Combustor of gas turbine119US 4,695,247 ADirector-General of Agency of Industrial Science and Technology · 1987
- Combustion liner for a gas turbine engine111US 4,622,821 AUnited Technologies Corporation · 1986