F01D 5/189
The insert having a tubular cross-section
Official title: {the insert having a tubular cross-section, e.g. airfoil shape}
F01D5/189 (The insert having a tubular cross-section) appears on 555 US grants and 519 published applications in this corpus.
Search patents in F01D- Granted patents
- 555
- Published applications
- 519
- Assignees
- 79
- Inventors
- 859
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 11 | 3 |
| 2002 | 11 | 5 |
| 2003 | 8 | 11 |
| 2004 | 8 | 13 |
| 2005 | 10 | 9 |
| 2006 | 14 | 12 |
| 2007 | 4 | 5 |
| 2008 | 4 | 6 |
| 2009 | 7 | 9 |
| 2010 | 10 | 18 |
| 2011 | 4 | 8 |
| 2012 | 17 | 7 |
| 2013 | 8 | 14 |
| 2014 | 8 | 20 |
| 2015 | 9 | 22 |
| 2016 | 12 | 41 |
| 2017 | 21 | 47 |
| 2018 | 36 | 48 |
| 2019 | 52 | 51 |
| 2020 | 63 | 51 |
| 2021 | 42 | 38 |
| 2022 | 50 | 21 |
| 2023 | 26 | 23 |
| 2024 | 15 | 12 |
| 2025 | 18 | 15 |
| 2026 | 10 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Apparatus and method for mitigating particulate accumulation on a component of a gas turbine2 Jul 2026US 2026/0185711 A1Rtx Corporation
- Turbine having guide baffle and gas turbine including same11 Jun 2026US 2026/0160184 A1Doosan Enerbility Co., Ltd.
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Most cited
By later US patents
- Floating vane turbine nozzle181US 5,630,700 AGeneral Electric Company · 1997
- Ceramic matrix composite gas turbine vane132US 6,709,230 B2Siemens Westinghouse Power Corporation · 2004
- Double-wall airfoil127US 5,626,462 AGeneral Electric Company · 1997
- Ceramic turbine airfoils with cooled trailing edge blocks103US 6,325,593 B1General Electric Company · 2001
- Cooled turbine blade and combined cycle power plant having gas turbine with this cooled turbine blade93US 5,120,192 AKabushiki Kaisha Toshiba · 1992