B01D 35/308
Made of at least two different materials
Official title: {Made of at least two different materials, e.g. metal and plastic}
B01D35/308 (Made of at least two different materials) appears on 21 US grants and 26 published applications in this corpus.
Search patents in B01D- Granted patents
- 21
- Published applications
- 26
- Assignees
- 19
- Inventors
- 51
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2015 | 0 | 1 |
| 2016 | 0 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 2 |
| 2019 | 1 | 4 |
| 2020 | 2 | 3 |
| 2021 | 4 | 4 |
| 2022 | 0 | 4 |
| 2023 | 4 | 3 |
| 2024 | 1 | 1 |
| 2025 | 4 | 1 |
| 2026 | 2 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Point of use or point of dispense filter with multiple pleat packs15 Sep 2026US 12,734,488 B2Entegris, Inc.
- Filter system, positioning mechanism, filter element and method for inserting and positioning a filter element3 Mar 2026US 12,564,804 B2Mahle International GmbH
- Spin-on filter assembly with replaceable coreless element5 Aug 2025US 12,377,371 B2Schroeder Industries, Inc.
- Reinforced top cover structure for a chemical filter10 Jun 2025US 12,325,001 B2Zi Yi Electrical Engineering Co., Ltd.
- Water filter medium container22 Apr 2025US 12,281,028 B2Green Things, LLC
- Spin-on fluid treatment device and methods27 Mar 2025US 2025/0099885 A1Donaldson Company, Inc.
- Reinforced top cover structure for a chemical filter18 Apr 2024US 2024/0123381 A1Zi Yi Electrical Engineering Co., Ltd.
- Modular fluid processing apparatuses, modular components and related methods9 Nov 2023US 2023/0356449 A1PSI-Polymer Systems, Inc.
- Point of use or point of dispense filter with multiple pleat packs28 Sep 2023US 2023/0302416 A1Entegris, Inc.
- Spin-on filter assembly with replaceable coreless element13 Apr 2023US 2023/0113056 A1Schroeder Industries, Inc.
Most cited
By later US patents
- Filter device9US 10,343,099 B2Mahle International GmbH · 2019
- Spin-on fluid treatment device and methods2US 11,014,026 B2Donaldson Company, Inc. · 2021
- Fuel filter1US 11,130,083 B2Ford Global Technologies, LLC · 2021
- Multilayer rotomolded grease trap1US 11,130,084 B2Thermaco, Inc. · 2021
- Point of use or point of dispense filter with multiple pleat packs1US 11,684,898 B2Entegris, Inc. · 2023