Filtration apparatuses and screen changer devices for polymer processing and related methods
US12214536B2 · kind B2 · utility
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236References
17Claims
0Family size
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Key dates
| Filing date | Feb 25, 2022 |
| Grant date | Feb 4, 2025 |
| Priority date | — |
| Expiry date | Feb 25, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29B7/58
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Filtration apparatuses and screen changer devices for filtering polymeric material as well as spacer plates, and face plates for the screen changer devices and related methods are shown and described herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.