Eco-friendly air filter element having fixation slits and reusable exoskeleton frame
US11433339B2 · kind B2 · utility
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13References
17Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 27, 2020 |
| Grant date | Sep 6, 2022 |
| Priority date | — |
| Expiry date | May 28, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2279/50
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A replaceable air filter element is provided with fixation pockets configured to record corers or edges of reusable exoskeleton support frame. The exoskeleton support frame, The reusable exoskeleton support frame is adapted to detachably engage the fixation pockets to support the filter medium. The exoskeleton support frame of the filter element is configured to be reused such that only the filter medium is replaced, thereby reducing the environmental waste and making for a “green” eco-friendly air filter element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.