F02M 35/02408
Manufacturing filter elements
Official title: {Manufacturing filter elements}
F02M35/02408 (Manufacturing filter elements) appears on 31 US grants and 41 published applications in this corpus.
Search patents in F02M- Granted patents
- 31
- Published applications
- 41
- Assignees
- 19
- Inventors
- 78
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 3 |
| 2015 | 1 | 3 |
| 2016 | 1 | 3 |
| 2017 | 2 | 1 |
| 2018 | 1 | 4 |
| 2019 | 4 | 4 |
| 2020 | 6 | 4 |
| 2021 | 3 | 6 |
| 2022 | 4 | 4 |
| 2023 | 3 | 3 |
| 2024 | 2 | 3 |
| 2025 | 1 | 1 |
| 2026 | 2 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Protuberant compressible filter seal design utilizing undercuts28 Apr 2026US 12,611,624 B2Atmus Filtration Inc.
- Filter element and method for producing a filter element27 Jan 2026US 12,533,621 B2Mann+Hummel GmbH
- Filter cartridges; air cleaner assemblies; housings; features; components; and, methods7 Jan 2025US 12,186,698 B2Donaldson Company, Inc.
- Pleated channel flow filter and/or roll form method7 May 2024US 11,975,287 B2Parker-Hannifin Corporation
- Filter cartridges; air cleaner assemblies; housings; features; components; and, methods2 Jan 2024US 11,857,907 B2Donaldson Company, Inc.
- Protuberant compressible filter seal design utilizing undercuts13 Aug 2026US 2026/0233138 A1Atmus Filtration Inc.
- Filter cartridges; air cleaner assemblies; housings; features; components; and, methods1 May 2025US 2025/0135388 A1Donaldson Company, Inc.
- Air filter with filtered cap28 Nov 2024US 2024/0390832 A1K&N Engineering, Inc.
- Filter cartridges; air cleaner assemblies; housings; features; components; and, methods9 May 2024US 2024/0149204 A1Donaldson Company, Inc.
- Cone air filter14 Mar 2024US 2024/0082773 A1K&N Engineering, Inc.
Most cited
By later US patents
- Filter cartridges; air cleaner assemblies; housings; features; components; and, methods28US 10,758,859 B2Donaldson Company, Inc. · 2020
- Filter unit for filtering gaseous fluids17US 8,409,312 B2Mann+Hummel GmbH · 2013
- Filter cartridges; air cleaner assemblies; housings; features; components; and, methods11US 11,420,147 B2Donaldson Company, Inc. · 2022
- Air filter10US 9,127,625 B2Mahle International GmbH · 2015
- Method and apparatus for addressing blow-back when hydrogen generators are attached to combustion engines to enhance performance8US 9,291,129 B2Empire Hydrogen Energy Systems Inc. · 2016