F04F 5/50
Of compressing pumps
Official title: of compressing pumps
F04F5/50 (Of compressing pumps) appears on 19 US grants and 18 published applications in this corpus.
Search patents in F04F- Granted patents
- 19
- Published applications
- 18
- Assignees
- 13
- Inventors
- 55
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 4 |
| 2016 | 2 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 0 | 2 |
| 2020 | 2 | 1 |
| 2021 | 3 | 2 |
| 2022 | 2 | 2 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
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.
- Jet pump spool valve28 Nov 2023US 11,828,302 B2Insitu, Inc., a subsidiary of The Boeing Company
- Blower comprising a fan installed in an inner space of a lower body having a first and second upper body positioned above and a space formed between the bodies wherein the bodies have a first and second openings formed through respective boundary surfaces which are opened and closed by a door assembly5 Sep 2023US 11,746,800 B2LG Electronics Inc.
- Blower comprising a fan installed in an inner space of a lower body having a first and second upper body positioned above and a space formed between the bodies wherein the bodies have a first and second openings formed through respective boundary surfaces which are opened and closed by a door assembly18 Oct 2022US 11,473,593 B2LG Electronics Inc.
- Tire inflator with inflation timer30 Aug 2022US 11,427,165 B2Hopkins Manufacturing Corporation
- Jet pump system28 Aug 2025US 2025/0271004 A1Honeywell International Inc.
- A turbine assisted venturi mixer2 Jan 2025US 2025/0001372 A1
- Blower comprising a fan installed in an inner space of a lower body having a first and second upper body positioned above and a space formed between the bodies wherein the bodies have a first and second openings formed through respective boundary surfaces which are opened and closed by a door assembly5 Jan 2023US 2023/0003232 A1LG Electronics Inc.
- Method for actuating a metering valve1 Dec 2022US 2022/0384825 A1
- Jet pump spool valve23 Jun 2022US 2022/0196018 A1Insitu, Inc., a subsidiary of The Boeing Company
Most cited
By later US patents
- Steam injector system9US 5,262,091 AKabushiki Kaisha Toshiba · 1993
- Multifunctional air gun9US 6,170,758 B2Nambu Co., Ltd. · 2001
- Water powered sump pump8US 5,302,088 A1994
- Ejector2US 10,767,905 B2Denso Corporation · 2020
- Tire inflator with inflation timer2US 11,027,707 B1Hopkins Manufacturing Corporation · 2021