B01D 35/005
Filters specially adapted for use in internal-combustion engine lubrication or fuel systems
Official title: {Filters specially adapted for use in internal-combustion engine lubrication or fuel systems}
B01D35/005 (Filters specially adapted for use in internal-combustion engine lubrication or fuel systems) appears on 434 US grants and 611 published applications in this corpus.
Search patents in B01D- Granted patents
- 434
- Published applications
- 611
- Assignees
- 187
- Inventors
- 981
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2009 | 0 | 3 |
| 2010 | 0 | 3 |
| 2011 | 0 | 9 |
| 2012 | 1 | 9 |
| 2013 | 1 | 23 |
| 2014 | 9 | 35 |
| 2015 | 11 | 48 |
| 2016 | 27 | 86 |
| 2017 | 36 | 77 |
| 2018 | 48 | 54 |
| 2019 | 63 | 57 |
| 2020 | 60 | 57 |
| 2021 | 38 | 39 |
| 2022 | 48 | 29 |
| 2023 | 31 | 27 |
| 2024 | 28 | 20 |
| 2025 | 25 | 22 |
| 2026 | 8 | 13 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Hybrid filter element apparatus7 Jul 2026US 12,673,280 B2
- Multistage filter with hydrophobic screen28 Apr 2026US 12,611,622 B2Atmus Filtration Inc.
- Oil pressure supply device24 Mar 2026US 12,584,475 B2JATCO Ltd
- Filter insert for a fuel filter with three-stage filtration3 Mar 2026US 12,564,805 B2Hengst GmbH & Co. KG
- Filter element configurations24 Feb 2026US 12,558,639 B2Donaldson Company, Inc.
- Spin-On Filter with Single Piece Housing and Snap-Together Assembly20 Aug 2026US 2026/0241311 A1Baldwin Filters, Inc.
- Split resin bed, low pressure drop, and replaceable cartridge deionization filter20 Aug 2026US 2026/0241312 A1Atmus Filtration Inc.
- Cover plate assembly for spin-on filters23 Jul 2026US 2026/0208077 A1Mann+Hummel GmbH
- Multistage filter with hydrophobic screen23 Jul 2026US 2026/0208080 A1Atmus Filtration Inc.
- Method and system for estimating remaining useful life of fuel filter18 Jun 2026US 2026/0166456 A1Caterpillar Inc.
Most cited
By later US patents
- Filter device26US 9,333,448 B2Mahle International GmbH · 2016
- Pleated filtration media, media packs, filter elements, and methods for filtering fluids20US 9,084,957 B2Donaldson Company, Inc. · 2015
- Filter element18US 10,052,575 B2Clarcor Engine Mobile Solutions, LLC · 2018
- Apparatus, system and method for detecting the presence of genuine serviceable product components18US 9,597,620 B2Cummins Filtration IP, Inc. · 2017
- Apparatus, system and method for detecting the presence of genuine serviceable product components17US 8,673,137 B2Cummins Filtration IP, Inc. · 2014