Patent · US Expired

Oscillatable filter medium

US5900147A · kind A · utility

1Cited by
12References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 8, 1997
Grant dateMay 4, 1999
Priority date
Expiry dateApr 8, 2017

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01D39/2068
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The invention relates to a filter medium particularly for filtering in a suction drier. According to the invention, the filter medium is manufactured of a material that can be made to oscillate essentially at a standard frequency.

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