B64C 27/52
Tilting of rotor bodily relative to fuselage
Official title: Tilting of rotor bodily relative to fuselage (of see-saw type construction B64C27/43)
B64C27/52 (Tilting of rotor bodily relative to fuselage) appears on 356 US grants and 397 published applications in this corpus.
Search patents in B64C- Granted patents
- 356
- Published applications
- 397
- Assignees
- 136
- Inventors
- 563
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 3 |
| 2003 | 2 | 4 |
| 2004 | 3 | 5 |
| 2005 | 1 | 4 |
| 2006 | 3 | 2 |
| 2007 | 4 | 6 |
| 2008 | 1 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 8 |
| 2011 | 3 | 3 |
| 2012 | 5 | 4 |
| 2013 | 5 | 7 |
| 2014 | 3 | 10 |
| 2015 | 12 | 18 |
| 2016 | 10 | 21 |
| 2017 | 22 | 49 |
| 2018 | 18 | 29 |
| 2019 | 30 | 45 |
| 2020 | 34 | 46 |
| 2021 | 40 | 34 |
| 2022 | 33 | 24 |
| 2023 | 39 | 25 |
| 2024 | 22 | 19 |
| 2025 | 24 | 12 |
| 2026 | 21 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Helix tilt device for tilting coaxial propulsion system25 Aug 2026US 12,715,626 B2Lockheed Martin Corporation
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- Double hinged tilting mount for coaxial contra rotating electric propulsion25 Jun 2026US 2026/0175972 A1Lockheed Martin Corporation
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By later US patents
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