F04F 5/16
Displacing elastic fluids
Official title: displacing elastic fluids
F04F5/16 (Displacing elastic fluids) appears on 574 US grants and 671 published applications in this corpus.
Search patents in F04F- Granted patents
- 574
- Published applications
- 671
- Assignees
- 293
- Inventors
- 1,067
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 7 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 9 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 3 |
| 2003 | 2 | 6 |
| 2004 | 8 | 4 |
| 2005 | 4 | 3 |
| 2006 | 3 | 8 |
| 2007 | 0 | 7 |
| 2008 | 1 | 6 |
| 2009 | 4 | 9 |
| 2010 | 3 | 26 |
| 2011 | 7 | 15 |
| 2012 | 13 | 33 |
| 2013 | 22 | 62 |
| 2014 | 22 | 27 |
| 2015 | 30 | 44 |
| 2016 | 18 | 43 |
| 2017 | 41 | 31 |
| 2018 | 37 | 39 |
| 2019 | 48 | 43 |
| 2020 | 41 | 38 |
| 2021 | 29 | 43 |
| 2022 | 36 | 49 |
| 2023 | 46 | 38 |
| 2024 | 40 | 51 |
| 2025 | 34 | 26 |
| 2026 | 15 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Blower6 Oct 2026US 12,753,779 B2LG Electronics Inc.
- Two-stage jet device with flow guide structure15 Sep 2026US 12,736,066 B2Jiangsu University
- Bladeless fans with a nozzle18 Aug 2026US 12,710,053 B2SharkNinja Operating LLC
- Blower9 Jun 2026US 12,650,129 B2LG Electronics Inc.
- Jet pump system9 Jun 2026US 12,650,134 B2Honeywell International Inc.
- 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.
- Divertor9 Jul 2026US 2026/0196363 A1Kyoto Fusioneering Ltd.
- Two-stage jet device with flow guide structure2 Jul 2026US 2026/0185543 A1Jiangsu University
- Ejector and refrigeration cycle device25 Jun 2026US 2026/0175648 A1Denso Corporation
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
- Pneumatic powder ejector93US 4,807,814 ASaint-Gobain Vitrage · 1989