Patent · US Expired

Lightweight filter

US4838901A · kind A · utility

103Cited by
11References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 17, 1988
Grant dateJun 13, 1989
Priority date
Expiry dateMay 17, 2008

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D2265/028
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A lightweight, snap together filter is provided for use under high stress environmental conditions. The casing and cover of the filter may be molded from high strength plastics and has been designed to snap together by a snap lock mechanism to secure a subtantially pressure tight filter assembly. The filter assembly may be utilized in an aircraft and other vehicles that may be exposed to extreme environmental conditions. The filter is designed to withstand a wide range of temperatures.

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