Patent · US Expired

Inline filter apparatus

US5820646A · kind A · utility

512Cited by
66References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 26, 1996
Grant dateOct 13, 1998
Priority date
Expiry dateApr 26, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S55/30
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A filter device inserts into a duct having flow passing from upstream to downstream. The filter device includes fluted filter media having flutes formed therein. The filter forms a seal between the outer edge of the filter and the downstream side of the duct. The filter media may be rolled or stacked in layers to match the shape of the duct.

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