F02M 37/54
Characterised by air purging means
Official title: characterised by air purging means (having priming pumps F02M37/16)
F02M37/54 (Characterised by air purging means) appears on 147 US grants and 133 published applications in this corpus.
Search patents in F02M- Granted patents
- 147
- Published applications
- 133
- Assignees
- 95
- Inventors
- 362
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 4 |
| 2003 | 5 | 5 |
| 2004 | 3 | 4 |
| 2005 | 2 | 7 |
| 2006 | 3 | 3 |
| 2007 | 5 | 4 |
| 2008 | 2 | 2 |
| 2009 | 4 | 5 |
| 2010 | 2 | 2 |
| 2011 | 2 | 2 |
| 2012 | 4 | 6 |
| 2013 | 0 | 4 |
| 2014 | 1 | 4 |
| 2015 | 5 | 4 |
| 2016 | 5 | 11 |
| 2017 | 2 | 10 |
| 2018 | 5 | 15 |
| 2019 | 13 | 14 |
| 2020 | 9 | 6 |
| 2021 | 11 | 9 |
| 2022 | 9 | 5 |
| 2023 | 4 | 0 |
| 2024 | 5 | 5 |
| 2025 | 4 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- No filter no run fluid filter with integration of low pressure fluid system23 Dec 2025US 12,502,626 B2Atmus Filtration IP Inc.
- Fuel-water separation filter element and fuel filter7 Oct 2025US 12,434,179 B2Zhejiang Laien Filtration System Co., Ltd.
- Dual-fuel power system and air supply and purging method thereof9 Sep 2025US 12,410,754 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Fuel filter22 Jul 2025US 12,364,941 B2Mahle International GmbH
- Fuel filter19 Nov 2024US 12,145,090 B2Mahle International GmbH
- Fuel filter bypass system and bypass valve device6 Aug 2026US 2026/0226875 A1
- Deaerator18 Jun 2026US 2026/0168472 A1Fischer Panda Generators, LLC
- Fuel filter24 Oct 2024US 2024/0350949 A1Mahle International GmbH
- Sealing systems and methods for a filtration system30 May 2024US 2024/0173654 A1Cummins Filtration Inc.
- Dual-Fuel Power System and Air Supply and Purging Method Thereof30 May 2024US 2024/0175396 A1Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
Most cited
By later US patents
- Fuel-conditioning skid147US 7,442,239 B2Ingersoll-Rand Energy Systems Corporation · 2008
- Filter for internal combustion engine fuels93US 6,709,588 B2Filterwerk Mann & Hummel GmbH · 2004
- Fuel filter including slow release additive92US 6,860,241 B2Dober Chemical Corporation · 2005
- Separating device and cartridge therefor68US 4,437,986 AFram Corporation · 1984
- Filter cartridge for a fuel filter having a keyed latch shut-off valve67US 6,495,042 B1Parker-Hannifin Corporation · 2002