Patent · US Expired

Filter system

US6749657B2 · kind B2 · utility

3Cited by
11References
20Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMay 16, 2002
Grant dateJun 15, 2004
Priority date
Expiry dateJul 11, 2022

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02M35/024
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A filter system, including a folded filter (1) and a cover (2) of a filter housing (3), the folded filter (1) and the cover (2) forming a preassemblable unit (4) and being essentially sealingly joined to each other so as to be detachable without destruction.

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