F04F 5/14
The inducing fluid being elastic fluid
Official title: the inducing fluid being elastic fluid
F04F5/14 (The inducing fluid being elastic fluid) appears on 710 US grants and 793 published applications in this corpus.
Search patents in F04F- Granted patents
- 710
- Published applications
- 793
- Assignees
- 391
- Inventors
- 1,325
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 10 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 2 |
| 2002 | 6 | 5 |
| 2003 | 10 | 10 |
| 2004 | 10 | 8 |
| 2005 | 6 | 4 |
| 2006 | 5 | 9 |
| 2007 | 0 | 8 |
| 2008 | 1 | 9 |
| 2009 | 4 | 10 |
| 2010 | 4 | 28 |
| 2011 | 9 | 21 |
| 2012 | 17 | 37 |
| 2013 | 26 | 65 |
| 2014 | 24 | 34 |
| 2015 | 34 | 51 |
| 2016 | 24 | 52 |
| 2017 | 43 | 40 |
| 2018 | 46 | 51 |
| 2019 | 57 | 47 |
| 2020 | 50 | 44 |
| 2021 | 32 | 48 |
| 2022 | 39 | 58 |
| 2023 | 52 | 43 |
| 2024 | 45 | 56 |
| 2025 | 37 | 32 |
| 2026 | 21 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Cooling arrangement and method for cooling at least one oil-to-air external heat exchanger6 Aug 2026US 2026/0227131 A1Hitachi Energy Ltd
- Jet pump system30 Jul 2026US 2026/0218732 A1Honeywell International Inc.
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Most cited
By later US patents
- Gas turbine inlet air combined pressure boost and cooling method and apparatus207US 5,537,813 ACarolina Power & Light Company · 1996
- Air flow amplifier146US 4,046,492 AVortec Corporation · 1977
- Fan124US 8,092,166 B2Dyson Technology Limited · 2012
- Air movement apparatus123US 6,123,618 AJetfan Australia Pty. Ltd. · 2000
- Method for dispensing a solution97US 6,659,117 B2E-Z Flo Injection Systems, Inc. · 2003