F04F 5/54
Installations characterised by use of jet pumps
Official title: Installations characterised by use of jet pumps, e.g. combinations of two or more jet pumps of different type
F04F5/54 (Installations characterised by use of jet pumps) appears on 219 US grants and 232 published applications in this corpus.
Search patents in F04F- Granted patents
- 219
- Published applications
- 232
- Assignees
- 167
- Inventors
- 513
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 10 | 0 |
| 2002 | 7 | 7 |
| 2003 | 4 | 6 |
| 2004 | 8 | 6 |
| 2005 | 6 | 12 |
| 2006 | 1 | 8 |
| 2007 | 1 | 8 |
| 2008 | 5 | 8 |
| 2009 | 3 | 9 |
| 2010 | 4 | 14 |
| 2011 | 6 | 13 |
| 2012 | 10 | 19 |
| 2013 | 17 | 5 |
| 2014 | 12 | 14 |
| 2015 | 6 | 16 |
| 2016 | 5 | 13 |
| 2017 | 9 | 8 |
| 2018 | 7 | 12 |
| 2019 | 14 | 5 |
| 2020 | 13 | 8 |
| 2021 | 4 | 7 |
| 2022 | 5 | 10 |
| 2023 | 6 | 7 |
| 2024 | 6 | 7 |
| 2025 | 5 | 6 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Jet pump system9 Jun 2026US 12,650,134 B2Honeywell International Inc.
- Vacuum generator and negative pressure dust suction device having same12 May 2026US 12,622,555 B2Contemporary Amperex Technology (Hong Kong) Limited
- Expanding drill device10 Mar 2026US 12,571,263 B2Herrenknecht AG
- Non-associated gas condensate recovery utilizing ejector in flaring process14 Oct 2025US 12,440,782 B2Saudi Arabian Oil Company
- Fluid device for suction gripping13 May 2025US 12,296,462 B2Coval
- Pitot tube pump capable of conducting continuous oil-water separation23 Apr 2026US 2026/0108827 A1Nantong University
- Ejector-type vacuum pump assembly having stabilised membrane flow valve, and a flow control unit having stabilised membrane flow valve for use with an ejector-type vacuum pump of such assembly, and a method of con-trolling a vacuum level in a vacuum chamber of an ejector-type vacuum pump of the assembly9 Apr 2026US 2026/0098529 A1
- Ejector-type vacuum pump assembly having stabilised membrane flow valve, and a method of controlling a vacuum level in a vacuum chamber of an ejector-type vacuum pump of the assembly9 Apr 2026US 2026/0098530 A1
- Venturi Powder Pump and Coating Installation Comprising Such a Powder Pump5 Mar 2026US 2026/0063149 A1Exel Industries
- Jet pump system28 Aug 2025US 2025/0271004 A1Honeywell International Inc.
Most cited
By later US patents
- Modular fuel delivery system87US 5,070,849 AGeneral Motors Corporation · 1991
- Well water removal and treatment system49US 5,147,530 AWater Soft, Inc. · 1992
- Process for drawing in and compressing gases and mixing the same with liquid material47US 3,938,738 ABASF SE · 1976
- Thermo-kinetic compressor43US 6,935,096 B22005
- Checkvalve unit41US 6,035,881 AWalter Alfmeier GmbH + Co. Prazisions-Baugruppenelemente · 2000