F01D 5/22
Blade-to-blade connections
Official title: Blade-to-blade connections, {e.g. for damping vibrations}
F01D5/22 (Blade-to-blade connections) appears on 1,278 US grants and 1,248 published applications in this corpus.
Search patents in F01D- Granted patents
- 1,278
- Published applications
- 1,248
- Assignees
- 184
- Inventors
- 2,385
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 8 | 0 |
| 1979 | 7 | 0 |
| 1980 | 8 | 0 |
| 1981 | 6 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 8 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 6 | 0 |
| 1988 | 9 | 0 |
| 1989 | 8 | 0 |
| 1990 | 8 | 0 |
| 1991 | 10 | 0 |
| 1992 | 14 | 0 |
| 1993 | 17 | 0 |
| 1994 | 11 | 0 |
| 1995 | 7 | 0 |
| 1996 | 13 | 0 |
| 1997 | 9 | 0 |
| 1998 | 11 | 0 |
| 1999 | 8 | 0 |
| 2000 | 14 | 0 |
| 2001 | 10 | 4 |
| 2002 | 21 | 19 |
| 2003 | 15 | 15 |
| 2004 | 21 | 30 |
| 2005 | 24 | 43 |
| 2006 | 28 | 24 |
| 2007 | 18 | 28 |
| 2008 | 18 | 38 |
| 2009 | 13 | 44 |
| 2010 | 27 | 44 |
| 2011 | 32 | 40 |
| 2012 | 38 | 65 |
| 2013 | 33 | 75 |
| 2014 | 49 | 66 |
| 2015 | 50 | 88 |
| 2016 | 55 | 104 |
| 2017 | 62 | 78 |
| 2018 | 93 | 89 |
| 2019 | 92 | 91 |
| 2020 | 102 | 58 |
| 2021 | 87 | 60 |
| 2022 | 58 | 45 |
| 2023 | 46 | 33 |
| 2024 | 38 | 29 |
| 2025 | 27 | 16 |
| 2026 | 11 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Turbine blade and gas turbine20 Aug 2026US 2026/0243169 A1Mitsubishi Heavy Industries, Ltd.
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- Film cooled components87US 4,992,025 AROLLS-ROYCE plc · 1991