Patent · US Expired

Furnace exhaust filter assembly

US6808544B1 · kind B1 · utility

2Cited by
17References
6Claims
0Family size

Inventor

Key dates

Filing dateJan 29, 2003
Grant dateOct 26, 2004
Priority date
Expiry dateFeb 25, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S55/35
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A furnace exhaust filter assembly for removing harmful particles being expelled through an exhaust pipe of a furnace. The furnace exhaust filter assembly includes a tubular member having a side wall and open top and bottom ends; and also includes filter members being attached to the tubular member for filtering exhaust from a furnace; and further includes filtering materials being attached to the filter members for filtering the exhaust from the furnace.

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