Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mark A. DeVries0
Mark Hauck0
Paul Mark Haines0
Ronald J. Ender0
Date of Patent
July 3, 2007
0Patent Application Number
109766630
Date Filed
October 29, 2004
0Patent Primary Examiner
Patent abstract
A check valve includes two opposing sheets surfaces that are coupled together to form a flow channel there between. The flow channel has a first end, a second end and at least one direction-changing portion in between the first and second ends. A first opening is provided at the first end of the flow channel and a second opening is provided at the second end of the flow channel.
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