Filter identification device
US5192424A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1991 |
| Grant date | Mar 9, 1993 |
| Priority date | — |
| Expiry date | Dec 5, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D2201/52
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A filter apparatus having an identification and filter subassembly. The identification and filter subassembly includes a bag filter and a top end collar and a radial identification tag. The collar has a lower portion fixedly connected to the bag filter, and has a middle portion to be supported within a vessel, and has a top lip portion to engage a cover plate of the vessel. The collar has a pivotable web portion disposed between the middle portion and the top lip portion, and has an inner surface with a groove having sidewalls. The identification tag is cantilevered radially outwardly from the top lip portion for reading information disposed thereon from the exterior of the vessel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.