F04F 5/04
Displacing elastic fluids
Official title: displacing elastic fluids
F04F5/04 (Displacing elastic fluids) appears on 111 US grants and 111 published applications in this corpus.
Search patents in F04F- Granted patents
- 111
- Published applications
- 111
- Assignees
- 69
- Inventors
- 230
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 0 |
| 2002 | 2 | 3 |
| 2003 | 4 | 8 |
| 2004 | 7 | 13 |
| 2005 | 5 | 5 |
| 2006 | 3 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 2 | 2 |
| 2011 | 2 | 3 |
| 2012 | 1 | 2 |
| 2013 | 0 | 5 |
| 2014 | 1 | 3 |
| 2015 | 1 | 5 |
| 2016 | 2 | 8 |
| 2017 | 9 | 6 |
| 2018 | 2 | 7 |
| 2019 | 8 | 8 |
| 2020 | 3 | 5 |
| 2021 | 6 | 2 |
| 2022 | 7 | 7 |
| 2023 | 10 | 8 |
| 2024 | 0 | 2 |
| 2025 | 3 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Air inducer assembly for pressurized flush tank16 Dec 2025US 12,497,770 B2Sloan Valve Company
- Steam special effect sprayer and related special effect system29 Apr 2025US 12,286,979 B2ITMation Ltd.
- Ejector device22 Apr 2025US 12,281,660 B2Transvac Systems Limited
- Fan5 Dec 2023US 11,835,050 B2
- Gas compressor with reduced energy loss5 Dec 2023US 11,835,067 B2Carnot Compression Inc.
- Steam special effect sprayer and related special effect system17 Sep 2026US 2026/0276008 A1ITMation Ltd.
- Jet ejector arrangement, system and use thereof and method for operating the same4 Sep 2025US 2025/0276337 A1Yara International Asa
- Steam special effect sprayer and related special effect system3 Jul 2025US 2025/0215904 A1ITMation Ltd.
- Device for Reintroducing Vapour Into a Volatile Liquid19 Dec 2024US 2024/0416293 A1GBA Marine AS
- Air Inducer Assembly for Pressurized Flush Tank29 Feb 2024US 2024/0068217 A1Sloan Valve Company
Most cited
By later US patents
- Method for the isothermal compression of a compressible medium, and atomization device and nozzle arrangement for carrying out the method52US 6,225,706 B1Asea Brown Boveri AG · 2001
- Process for drawing in and compressing gases and mixing the same with liquid material47US 3,938,738 ABASF SE · 1976
- Shoe sole structures using a theoretically ideal stability plane30US 7,082,697 B2Anatomic Research, Inc. · 2006
- Operating mode of a jet blower29US 6,109,882 A2000
- Refrigeration cycle27US 7,207,186 B2Tgk Co., Ltd. · 2007