Patent · US Expired

Fire chamber water filter device

US5078874A · kind A · utility

22Cited by
7References
4Claims
0Family size

Inventor

Key dates

Filing dateNov 5, 1990
Grant dateJan 7, 1992
Priority date
Expiry dateNov 5, 2010

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC02F2307/06
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

A water filtering device connected to a low water pressure supply and having a housing with an inlet and an outlet for the water being filtered. The housing has four chambers plus a water collecting chamber that are abutting to each other and separated by baffles that each include a screened window member. Different filtering media are contained, in a predetermined order, inside the chambers and through which the water is slowly forced.

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