Method and device for pressure amplification in cylinders, in particular hydraulic rams

Details for Australian Patent Application No. 2004211436 (hide)

Owner Voss, W.

Inventors Voss, Wolfgang

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-B-2004211436

PCT Pub. Number WO2004/072486

Priority 103 06 128.2 14.02.03 DE

Filing date 6 February 2004

Wipo publication date 26 August 2004

Acceptance publication date 8 October 2009

International Classifications

F15B 11/032 (2006.01) Servomotor systems without provision for follow-up action

E02F 9/22 (2006.01) Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups - Hydraulic or pneumatic drives

E21D 23/16 (2006.01) Mine roof supports for step-by-step movement, e.g. in combination with provisions for shifting of conveyers, mining machines, or guides therefor

F15B 3/00 (2006.01) Intensifiers or fluid-pressure converters, e.g. pressure exchangers

Event Publications

22 September 2005 PCT application entered the National Phase

  PCT publication WO2004/072486 Priority application(s): WO2004/072486

8 October 2009 Application Accepted

  Published as AU-B-2004211436

4 February 2010 Standard Patent Sealed

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