Patent · US Expired

Filter apparatus

US4364828A · kind A · utility

8Cited by
7References
2Claims
0Family size

Inventor

Key dates

Filing dateJan 9, 1981
Grant dateDec 21, 1982
Priority date
Expiry dateJan 9, 2001

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2201/302
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

This disclosure relates to an apparatus for packaging filtering elements in a filter device, which incorporates first and second rotatably communicating case portions respectively having alignable apertures, which apertures can be aligned to permit the filter elements to be loaded into the case, and which apertures can be misaligned to seal the filter elements within the case.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.