Process and materials for coiling z-filter media, and/or closing flutes of filter media; and, products
US8226786B2 · kind B2 · utility
87Cited by
23References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 2004 |
| Grant date | Jul 24, 2012 |
| Priority date | — |
| Expiry date | Dec 4, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1002
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Approaches to providing z-filter media constructions are provided. Preferred corrugated media, filter constructions having such corrugated media, and filter systems using such filter constructions are provided. Also, preferred methods of forming filter constructions are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.