Filter media, elements, and methods
US12233367B2 · kind B2 · utility
0Cited by
23References
20Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 6, 2023 |
| Grant date | Feb 25, 2025 |
| Priority date | — |
| Expiry date | Nov 6, 2043 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2239/1275
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Fibrous filter medium that includes a surface-loading filter layer comprising fine fibers having an average diameter of less than 1 micron; a depth loading filter layer; and a support layer; wherein the layers are configured and arranged for placement in a gas stream with the surface loading filter layer being the most upstream layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.