F02M 37/32
Characterised by filters or filter arrangements
Official title: characterised by filters or filter arrangements
F02M37/32 (Characterised by filters or filter arrangements) appears on 1,287 US grants and 1,182 published applications in this corpus.
Search patents in F02M- Granted patents
- 1,287
- Published applications
- 1,182
- Assignees
- 401
- Inventors
- 2,315
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 7 | 0 |
| 1982 | 6 | 0 |
| 1983 | 4 | 0 |
| 1984 | 9 | 0 |
| 1985 | 23 | 0 |
| 1986 | 13 | 0 |
| 1987 | 10 | 0 |
| 1988 | 12 | 0 |
| 1989 | 16 | 0 |
| 1990 | 9 | 0 |
| 1991 | 8 | 0 |
| 1992 | 17 | 0 |
| 1993 | 11 | 0 |
| 1994 | 10 | 0 |
| 1995 | 14 | 0 |
| 1996 | 18 | 0 |
| 1997 | 26 | 0 |
| 1998 | 37 | 0 |
| 1999 | 32 | 0 |
| 2000 | 31 | 0 |
| 2001 | 41 | 15 |
| 2002 | 38 | 38 |
| 2003 | 36 | 39 |
| 2004 | 42 | 46 |
| 2005 | 38 | 51 |
| 2006 | 29 | 30 |
| 2007 | 25 | 39 |
| 2008 | 13 | 50 |
| 2009 | 32 | 62 |
| 2010 | 22 | 39 |
| 2011 | 29 | 50 |
| 2012 | 27 | 34 |
| 2013 | 29 | 51 |
| 2014 | 27 | 46 |
| 2015 | 31 | 50 |
| 2016 | 44 | 91 |
| 2017 | 46 | 80 |
| 2018 | 56 | 74 |
| 2019 | 75 | 47 |
| 2020 | 67 | 52 |
| 2021 | 37 | 60 |
| 2022 | 53 | 52 |
| 2023 | 47 | 27 |
| 2024 | 41 | 23 |
| 2025 | 28 | 20 |
| 2026 | 14 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02M 37/50Filters arranged in or on fuel tanks385
- F02M 37/44Filters structurally associated with pumps292
- F02M 37/34By the filter structure250
- F02M 37/42Installation or removal of filters219
- F02M 37/46Filters structurally associated with pressure regulators159
- F02M 37/48Filters structurally associated with fuel valves131
- F02M 37/40With means for detection of clogging67
- F02M 37/36With bypass means51
All 10 subgroupsShow fewer
Recent patents
- Fuel pressure regulartor with jet pump23 Jun 2026US 12,662,980 B2Walbro Corporation
- Dual variable displacement pump fuel system with FOC bypass and washed actuation flow23 Jun 2026US 12,662,981 B2Hamilton Sundstrand Corporation
- Membrane deoxygenation with enhanced structural integrity9 Jun 2026US 12,650,105 B2Hamilton Sundstrand Corporation
- Construction machine26 May 2026US 12,637,835 B2Hitachi Construction Machinery Co., Ltd.
- Filter element with flow directing permeability layers12 May 2026US 12,623,166 B2Atmus Filtration Inc.
- Fuel filter bypass system and bypass valve device6 Aug 2026US 2026/0226875 A1
- Multistage filter with hydrophobic screen23 Jul 2026US 2026/0208080 A1Atmus Filtration Inc.
- Straddled vehicle9 Jul 2026US 2026/0192877 A1Yamaha Hatsudoki Kabushiki Kaisha
- Deaerator18 Jun 2026US 2026/0168472 A1Fischer Panda Generators, LLC
- Method and assemblies for repair of plastic fuel lock ring and fuel supply line4 Jun 2026US 2026/0153069 A1
Most cited
By later US patents
- Rolled liquid filter using fluted media291US 5,895,574 ADonaldson Company, Inc. · 1999
- System for fueling electric powered hydraulic fracturing equipment with multiple fuel sources255US 10,020,711 B2U.S. Well Services, LLC · 2018
- Filter element having a flat and non-flat configuration185US 5,562,825 ANippondenso Co., Ltd. · 1996
- Fuel-conditioning skid147US 7,442,239 B2Ingersoll-Rand Energy Systems Corporation · 2008
- Fluid filter assembly130US 5,556,542 AFleetguard, Inc. · 1996