F02M 37/26
With water detection means
Official title: with water detection means
F02M37/26 (With water detection means) appears on 262 US grants and 220 published applications in this corpus.
Search patents in F02M- Granted patents
- 262
- Published applications
- 220
- Assignees
- 108
- Inventors
- 525
- Latest grant
- 7 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 10 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 2 |
| 2002 | 5 | 5 |
| 2003 | 6 | 7 |
| 2004 | 5 | 4 |
| 2005 | 4 | 9 |
| 2006 | 4 | 10 |
| 2007 | 3 | 7 |
| 2008 | 3 | 8 |
| 2009 | 5 | 11 |
| 2010 | 4 | 9 |
| 2011 | 8 | 11 |
| 2012 | 2 | 10 |
| 2013 | 10 | 7 |
| 2014 | 7 | 10 |
| 2015 | 8 | 7 |
| 2016 | 8 | 19 |
| 2017 | 13 | 19 |
| 2018 | 9 | 12 |
| 2019 | 16 | 14 |
| 2020 | 12 | 8 |
| 2021 | 9 | 10 |
| 2022 | 10 | 9 |
| 2023 | 10 | 6 |
| 2024 | 10 | 3 |
| 2025 | 5 | 3 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Fuel-water separation filter element and fuel filter7 Oct 2025US 12,434,179 B2Zhejiang Laien Filtration System Co., Ltd.
- Fuel-water separator systems and methods1 Apr 2025US 12,263,426 B2Cummins Filtration IP, Inc.
- Droplet sensors for fuel systems11 Feb 2025US 12,222,271 B2Donaldson Company, Inc.
- On-vehicle water in fuel sensing system and related signal processing28 Jan 2025US 12,210,009 B2Donaldson Company, Inc.
- Electronic filter detection feature for liquid filtration systems21 Jan 2025US 12,203,432 B2Cummins Filtration IP, Inc.
- Diesel fuel filter13 Nov 2025US 2025/0345731 A1Hyundai Motor Company
- Droplet sensors for fuel systems15 May 2025US 2025/0155348 A1Donaldson Company, Inc.
- Electronic filter detection feature for liquid filtration systems10 Apr 2025US 2025/0116248 A1Cummins Filtration IP, Inc.
- Anti-biofouling water in fuel sensor, anti-biofouling water sump and reservoir and method of retrofitting water sumps and reservoirs to incorporate anti-biofouling system16 May 2024US 2024/0157004 A1
- Fuel-water separation filter element and fuel filter14 Mar 2024US 2024/0082762 A1Zhejiang Laien Filtration System Co., Ltd.
Most cited
By later US patents
- Reversible filter element87US 5,645,718 AParker-Hannifin Corporation · 1997
- Fuel-water separator83US 4,497,714 AStant Inc. · 1985
- Fuel filter with dual flow80US 6,113,781 AParker-Hannifin Corporation · 2000
- Automatic drain for fuel processor79US 9,684,313 B2Davco Technology, LLC · 2017
- Filter assembly77US 4,502,955 ARacor Industries, Inc. · 1985