Actuator for well-head valve or other similar applications and system incorporating same

Details for Australian Patent Application No. 2004204467 (hide)

Owner Woodward Governor Company

Inventors Stewart, Jeffrey T.; Kleckler, Joel W.; Greeb, Kevin E.; Sweer, Grant A.; Hybeck, Roger T.

Agent Pizzeys

Pub. Number AU-B-2004204467

PCT Pub. Number WO2004/063607

Priority 10/340,017 10.01.03 US

Filing date 8 January 2004

Wipo publication date 29 July 2004

Acceptance publication date 10 April 2008

International Classifications

E21B 33/03 (2006.01) Sealing or packing boreholes or wells - Well heads

E21B 34/02 (2006.01) Valve arrangements for boreholes or wells

E21B 34/16 (2006.01) Valve arrangements for boreholes or wells

F16K 31/04 (2006.01) Operating means - using a motor

F16K 31/05 (2006.01) Operating means - specially adapted for operating hand-operated valves or for combined motor and hand operation

Event Publications

28 July 2005 PCT application entered the National Phase

  PCT publication WO2004/063607 Priority application(s): WO2004/063607

10 April 2008 Application Accepted

  Published as AU-B-2004204467

7 August 2008 Standard Patent Sealed

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