F02M 37/40
With means for detection of clogging
Official title: with means for detection of clogging
F02M37/40 (With means for detection of clogging) appears on 67 US grants and 56 published applications in this corpus.
Search patents in F02M- Granted patents
- 67
- Published applications
- 56
- Assignees
- 46
- Inventors
- 135
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 1 |
| 2003 | 3 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 2 | 3 |
| 2009 | 2 | 2 |
| 2010 | 1 | 2 |
| 2011 | 0 | 2 |
| 2012 | 3 | 3 |
| 2013 | 2 | 2 |
| 2014 | 2 | 0 |
| 2015 | 2 | 5 |
| 2016 | 1 | 2 |
| 2017 | 3 | 7 |
| 2018 | 3 | 3 |
| 2019 | 3 | 3 |
| 2020 | 0 | 3 |
| 2021 | 3 | 2 |
| 2022 | 4 | 4 |
| 2023 | 5 | 2 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fuel system30 Dec 2025US 12,510,046 B2Maersk A/S
- Electronic filter detection feature for liquid filtration systems21 Jan 2025US 12,203,432 B2Cummins Filtration IP, Inc.
- Pump unit5 Nov 2024US 12,134,994 B2Aisan Kogyo Kabushiki Kaisha
- Pump unit12 Mar 2024US 11,927,147 B2Aisan Kogyo Kabushiki Kaisha
- Electronic filter detection feature for liquid filtration systems29 Aug 2023US 11,739,718 B2Cummins Filtration IP, Inc.
- Fuel filter bypass system and bypass valve device6 Aug 2026US 2026/0226875 A1
- Fuel circuit for an apparatus, associated apparatus and method15 Jan 2026US 2026/0015985 A1Volvo Truck Corporation
- Electronic filter detection feature for liquid filtration systems10 Apr 2025US 2025/0116248 A1Cummins Filtration IP, Inc.
- Pump unit30 May 2024US 2024/0175404 A1Aisan Kogyo Kabushiki Kaisha
- Electronic filter detection feature for liquid filtration systems9 Nov 2023US 2023/0358193 A1Cummins Filtration IP, Inc.
Most cited
By later US patents
- Fuel-conditioning skid147US 7,442,239 B2Ingersoll-Rand Energy Systems Corporation · 2008
- Fuel filter assembly with dual filter media and by-pass device73US 5,458,767 AParker-Hannifin Corporation · 1995
- Double-ended, spin-on fuel water separator68US 4,522,712 ADonaldson Company, Inc. · 1985
- Method for detecting clogging in a fuel filter in an internal combustion engine supply circuit65US 6,672,147 B1Magneti Marelli France · 2004
- Fuel filter assembly with heater53US 4,997,555 AParker-Hannifin Corporation · 1991