Hydraulic system for mining equipment and method of adjusting power of rock drill machine

Details for Australian Patent Application No. 2004206070 (hide)

Owner Sandvik Tamrock Oy

Inventors Niemi, Jaakko; Uitto, Vesa; Osara, Jukka; Poysti, Tapani; Muona, Jouko

Agent Griffith Hack

Pub. Number AU-B-2004206070

PCT Pub. Number WO2004/065761

Priority 20030115 24.01.03 FI

Filing date 23 January 2004

Wipo publication date 5 August 2004

Acceptance publication date 12 March 2009

International Classifications

E21B 44/06 (2006.01) Automatic control

F15B 11/16 (2006.01) Servomotor systems without provision for follow-up action

F15B 11/17 (2006.01) Servomotor systems without provision for follow-up action

Event Publications

7 July 2005 PCT application entered the National Phase

  PCT publication WO2004/065761 Priority application(s): WO2004/065761

12 March 2009 Application Accepted

  Published as AU-B-2004206070

18 June 2009 Alteration of Name

  The name of the applicant has been altered to Sandvik Mining and Construction Oy

9 July 2009 Standard Patent Sealed

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