Patent · US Expired

Slanted inline filter

US5772883A · kind A · utility

309Cited by

28References

30Claims

0Family size

Assignee

Donaldson Company, Inc. · US

Inventors

Jim C. Rothman · Aurora, US
Gary R. Gillingham · Prior Lake, US
Wayne M. Wagner · Apple Valley, US
Joseph C. Tokar · Apple Valley, US
Daniel T. Risch · Burnsville, US
Fred H. Wahlquist · Bloomington, US
Bernard A. Matthys · Apple Valley, US

Key dates

Filing date	Apr 26, 1996
Grant date	Jun 30, 1998
Priority date	—
Expiry date	Apr 26, 2016

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S55/12
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A filter device inserts into a duct having flow passing from upstream to downstream. The filter device includes fluted filter media having flutes formed therein inserting into a housing. The filter media is stacked and placed at an angle to the prevailing flow direction.

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