F01D 5/34
Rotor-blade aggregates of unitary construction
Official title: Rotor-blade aggregates of unitary construction {, e.g. formed of sheet laminae; (discs formed of sheet laminae F01D5/028; ceramic materials F01D5/284, composite materials F01D5/282)}
F01D5/34 (Rotor-blade aggregates of unitary construction) appears on 461 US grants and 510 published applications in this corpus.
Search patents in F01D- Granted patents
- 461
- Published applications
- 510
- Assignees
- 119
- Inventors
- 1,130
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 10 | 5 |
| 2003 | 5 | 2 |
| 2004 | 2 | 4 |
| 2005 | 5 | 11 |
| 2006 | 3 | 9 |
| 2007 | 4 | 16 |
| 2008 | 9 | 13 |
| 2009 | 2 | 18 |
| 2010 | 13 | 17 |
| 2011 | 8 | 32 |
| 2012 | 11 | 20 |
| 2013 | 16 | 19 |
| 2014 | 25 | 20 |
| 2015 | 20 | 27 |
| 2016 | 13 | 56 |
| 2017 | 16 | 26 |
| 2018 | 30 | 35 |
| 2019 | 37 | 42 |
| 2020 | 54 | 28 |
| 2021 | 31 | 17 |
| 2022 | 17 | 16 |
| 2023 | 18 | 36 |
| 2024 | 20 | 18 |
| 2025 | 22 | 15 |
| 2026 | 5 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Method and apparatus for reducing rotor assembly circumferential rim stress95US 6,471,474 B1General Electric Company · 2002
- Method and apparatus for additive manufacturing83US 9,505,172 B2Arcam AB · 2016
- Process for fabricating multi-alloy components80US 4,529,452 AUnited Technologies Corporation · 1985
- Adhesive bonded fan blade79US 5,725,355 AGeneral Electric Company · 1998
- Blisk69US 6,454,535 B1General Electric Company · 2002