F02M 37/52
Using magnetic means
Official title: using magnetic means
F02M37/52 (Using magnetic means) appears on 9 US grants and 7 published applications in this corpus.
Search patents in F02M- Granted patents
- 9
- Published applications
- 7
- Assignees
- 6
- Inventors
- 23
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Fuel conditioning system25 Feb 2025US 12,234,793 B1
- Fluid filtering devices and systems13 Jun 2023US 11,674,485 B2Cummins Inc.
- Internal combustion engine with amplified magnetizing effect30 Apr 2019US 10,273,912 B2Titano S.R.L.
- Handheld work apparatus and suction head for connection to a fuel line in a handheld work apparatus1 Mar 2016US 9,273,658 B2Andreas Stihl AG & CO.KG
- Diesel fuel cleaning and re-circulation system22 Jul 2003US 6,596,174 B1
- Fuel conditioning system6 Feb 2025US 2025/0043755 A1
- Fluid filtering devices and systems20 Jan 2022US 2022/0018320 A1Cummins Inc.
- Fuel strainer for an in-tank fuel pump10 Dec 2020US 2020/0384389 A1Delphi Technologies IP Limited
- Internal combustion engine with amplified magnetizing effect5 Oct 2017US 2017/0284344 A1Titano S.R.L.
- Handheld work apparatus and suction head for connection to a fuel line in a handheld work apparatus30 May 2013US 2013/0133620 A1Andreas Stihl AG & CO.KG
Most cited
By later US patents
- In-line fuel filtering device37US 4,759,842 A1988
- Diesel fuel cleaning and re-circulation system30US 6,596,174 B12003
- Welded fuel tank11US 5,085,768 AMitsubishi Denki Kabushiki Kaisha · 1992
- Welded fuel tank having a magnet for collecting weld spatter and method for collecting weld spatter7US 5,273,193 AMitsubishi Denki Kabushiki Kaisha · 1993
- Magnetic fuel purifier with rotating pre-purifier5US 4,295,969 A1981