Valve stem assembly for rotary valve and method

Details for Australian Patent Application No. 2011224114 (hide)

Owner Worldwide Oilfield Machine, Inc.

Inventors Lanning, William; Maki, Robert

Agent Shelston IP

Pub. Number AU-A-2011224114

Priority 12/835,071 13.07.10 US; 61/333,517 11.05.10 US; 61/319,342 31.03.10 US

Filing date 31 January 2011

Wipo publication date 20 October 2011

International Classifications

F16K 5/06 (2006.01) Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary - with plugs having spherical surfaces

Event Publications

20 October 2011 Application Open to Public Inspection

  Published as AU-A-2011224114

20 October 2011 PCT application entered the National Phase

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