Rolled liquid filter using fluted media

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United States of America Patent

PATENT NO 5895574
SERIAL NO

08639154

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A filter apparatus includes a fluted filter element in a filter housing having a first open end and a second closed end. The filter element includes fluted filter media coiled into a cylindrical shape and may include an end cap for support and fluid control. Fluid flows into the open end and either around the filter to the closed and back through the filter element or through the filter element to the closed end and then back through a central opening in the filter element.

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Patent Owner(s)

Patent OwnerAddress
DONALDSON COMPANY INC1400 WEST 94TH STREET BLOOMINGTON MN 55431

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Friedmann, Francis A South St. Paul, MN 3 444
Gillingham, Gary R Prior Lake, MN 51 5377
Matthys, Bernard A Apple Valley, MN 21 2034
Risch, Daniel T Burnsville, MN 34 3874
Wagner, Wayne M Apple Valley, MN 92 4167
Wahlquist, Fred H Bloomington, MN 28 2585

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