F02M 37/34
By the filter structure
Official title: by the filter structure, e.g. honeycomb, mesh or fibrous
F02M37/34 (By the filter structure) appears on 250 US grants and 260 published applications in this corpus.
Search patents in F02M- Granted patents
- 250
- Published applications
- 260
- Assignees
- 140
- Inventors
- 606
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 3 |
| 2002 | 14 | 10 |
| 2003 | 8 | 9 |
| 2004 | 7 | 3 |
| 2005 | 6 | 15 |
| 2006 | 8 | 11 |
| 2007 | 7 | 8 |
| 2008 | 4 | 10 |
| 2009 | 3 | 3 |
| 2010 | 3 | 4 |
| 2011 | 6 | 18 |
| 2012 | 8 | 2 |
| 2013 | 5 | 8 |
| 2014 | 3 | 9 |
| 2015 | 1 | 8 |
| 2016 | 6 | 27 |
| 2017 | 8 | 23 |
| 2018 | 13 | 14 |
| 2019 | 15 | 7 |
| 2020 | 18 | 16 |
| 2021 | 2 | 16 |
| 2022 | 12 | 10 |
| 2023 | 8 | 5 |
| 2024 | 7 | 9 |
| 2025 | 5 | 5 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Membrane deoxygenation with enhanced structural integrity9 Jun 2026US 12,650,105 B2Hamilton Sundstrand Corporation
- Filter element with flow directing permeability layers12 May 2026US 12,623,166 B2Atmus Filtration Inc.
- Multistage filter with hydrophobic screen28 Apr 2026US 12,611,622 B2Atmus Filtration Inc.
- Filter insert for a fuel filter with three-stage filtration3 Mar 2026US 12,564,805 B2Hengst GmbH & Co. KG
- Fuel filter element24 Feb 2026US 12,560,139 B2Zhejiang Weitai Automobile Parts Co., Ltd.
- 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.
- Fuel pump assembly14 May 2026US 2026/0132762 A1Ningbo Xianglong Automotive Components Co., Ltd.
- Fuel filter16 Apr 2026US 2026/0102722 A1Mahle International GmbH
- Fuel filter16 Apr 2026US 2026/0104025 A1Mahle International GmbH
Most cited
By later US patents
- Rolled liquid filter using fluted media291US 5,895,574 ADonaldson Company, Inc. · 1999
- Filter element having a flat and non-flat configuration185US 5,562,825 ANippondenso Co., Ltd. · 1996
- Fluid filter assembly130US 5,556,542 AFleetguard, Inc. · 1996
- Waste oil management system102US 5,336,396 A1994
- Fuel economizing device78US 4,515,133 A1985