F01D 21/045
Special arrangements in stators or in rotors dealing with breaking-off of part
Official title: {special arrangements in stators or in rotors dealing with breaking-off of part of rotor}
F01D21/045 (Special arrangements in stators or in rotors dealing with breaking-off of part) appears on 929 US grants and 895 published applications in this corpus.
Search patents in F01D- Granted patents
- 929
- Published applications
- 895
- Assignees
- 149
- Inventors
- 1,550
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 8 | 0 |
| 1985 | 11 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 6 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 8 | 0 |
| 1994 | 6 | 0 |
| 1995 | 13 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 14 | 0 |
| 2001 | 14 | 5 |
| 2002 | 15 | 4 |
| 2003 | 12 | 12 |
| 2004 | 11 | 16 |
| 2005 | 4 | 25 |
| 2006 | 21 | 20 |
| 2007 | 8 | 13 |
| 2008 | 19 | 22 |
| 2009 | 10 | 30 |
| 2010 | 9 | 31 |
| 2011 | 20 | 27 |
| 2012 | 22 | 36 |
| 2013 | 29 | 39 |
| 2014 | 28 | 42 |
| 2015 | 47 | 52 |
| 2016 | 23 | 71 |
| 2017 | 46 | 44 |
| 2018 | 59 | 60 |
| 2019 | 59 | 56 |
| 2020 | 70 | 67 |
| 2021 | 47 | 50 |
| 2022 | 57 | 37 |
| 2023 | 49 | 32 |
| 2024 | 41 | 43 |
| 2025 | 54 | 40 |
| 2026 | 17 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Jet aircraft fan case containment design378US 6,814,541 B2General Electric Company · 2004
- Light weight fan blade containment system371US 5,447,411 AMartin Marietta Corporation · 1995
- Mid turbine frame system for gas turbine engine132US 8,061,969 B2Pratt & Whitney Canada Corp. · 2011
- Spiral wound containment ring122US 5,163,809 APratt & Whitney Canada Corp. · 1992
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