Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 9, 2009
Patent Application Number
11530646
Date Filed
September 11, 2006
Patent Primary Examiner
Patent abstract
A gas valve may include a valve body defining an upper valve seat region, and in some cases a lower valve seat region. A main valve that includes an upper main plate, and in some cases a lower main plate, may be disposed within the valve body. A control valve that includes an upper control plate, and in some cases, a lower control plate may be coaxially aligned with the main valve. The main valve may provide shut-off functionality while the control valve may provide flow control.
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