Patent · US Expired

Filter for a gas analyzer

US6827763B2 · kind B2 · utility

9Cited by
21References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 19, 2002
Grant dateDec 7, 2004
Priority date
Expiry dateJan 2, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S55/42
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method and apparatus for filtering particulate and condensation are provided. The filter is a multi-state filter that reduces contamination from sources other than the desired source by having its filtering components encased and compacted together.

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