Patent · US Expired

High efficiency, low restriction, cost effective filter

US7413588B2 · kind B2 · utility

70Cited by
56References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 24, 2004
Grant dateAug 19, 2008
Priority date
Expiry dateDec 27, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S210/17
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A filter includes a filter element formed of filter media, and a plastic framework molded and bonded to and structurally supporting the filter media. One embodiment desirably provides a two-component assembly consisting solely of two components, namely the filter media and the plastic framework molded thereon. In a further embodiment, the plastic framework includes a resilient seal integrally molded therewith and of the same plastic material thereof, eliminating a separate component for the seal. In a further embodiment, a filter combination includes a primary filter element and a secondary filter element. In a further embodiment, a resilient integrally. molded seal is provided.

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