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Haehn; Steven J.
Oakdale, MN
No. of patents:

Patent Number Title Of Patent Date Issued
D656580 Cassette filter manifold March 27, 2012
D656579 Cassette filter and coverplate March 27, 2012
D656578 Cassette filter March 27, 2012
D557762 Water treatment device December 18, 2007
8137551 Push filter with floating key lock March 20, 2012
A filter assembly for fluid filtration having a push-activated lock and release mechanism. A push filter design activates a floating key lock upon insertion and extraction, where the filter key may be used simultaneously as a lock and as an identifier for particular filter attributes

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