F04D 29/563
Specially adapted for elastic fluid pumps
Official title: {specially adapted for elastic fluid pumps}
F04D29/563 (Specially adapted for elastic fluid pumps) appears on 717 US grants and 762 published applications in this corpus.
Search patents in F04D- Granted patents
- 717
- Published applications
- 762
- Assignees
- 175
- Inventors
- 1,368
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 7 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 2 |
| 2003 | 4 | 4 |
| 2004 | 6 | 7 |
| 2005 | 1 | 17 |
| 2006 | 11 | 17 |
| 2007 | 14 | 17 |
| 2008 | 5 | 18 |
| 2009 | 11 | 24 |
| 2010 | 18 | 26 |
| 2011 | 15 | 21 |
| 2012 | 19 | 32 |
| 2013 | 20 | 37 |
| 2014 | 23 | 32 |
| 2015 | 18 | 37 |
| 2016 | 26 | 75 |
| 2017 | 25 | 60 |
| 2018 | 54 | 71 |
| 2019 | 87 | 44 |
| 2020 | 69 | 50 |
| 2021 | 51 | 45 |
| 2022 | 41 | 28 |
| 2023 | 40 | 45 |
| 2024 | 41 | 24 |
| 2025 | 25 | 15 |
| 2026 | 9 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Flow path adjustment mechanism and fluid delivery device30 Jul 2026US 2026/0218729 A1Nidec Corporation
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Most cited
By later US patents
- Variable geometry guide vane for a gas turbine engine199US 7,632,064 B2United Technologies Corporation · 2009
- Variable camber and stagger airfoil and method72US 7,114,911 B2General Electric Company · 2006
- Variable pressure and variable air flow turbofan engines68US 5,794,432 ADiversitech Corporation · 1998
- Adjustable spacer57US 4,925,364 AUnited Technologies Corporation · 1990
- Radially constrained variable vane shroud54US 4,834,613 AUnited Technologies Corporation · 1989