Patent · US Expired

Filter system

US5788849A · kind A · utility

62Cited by
14References
38Claims
0Family size

Inventors

Key dates

Filing dateJun 7, 1995
Grant dateAug 4, 1998
Priority date
Expiry dateJun 7, 2015

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE03F5/0401
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Disclosed is a filter system (10) for use in filtering contaminants and sediments as well as introducing aeration of the liquids flowing into a storm drain (20). The filter system may include a housing (12) that is positioned beneath the storm drain, underneath the outer grating (24) of the storm drain. A rack (14) holds a plurality of filter components (16) in a substantially horizontal orientation within the housing. The filter components house filter materials, including absorbent materials and/or geotextile fabric.

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