Pump for draining bores by means of alternating aspiration and expulsion cycles, based on the principle of pneumatic displacement

Details for Australian Patent Application No. 2007226489 (hide)

Owner LOPEZ RODRIGUEZ, J.

Inventors Lopez Rodriguez, Jorge

Agent Callinan

Pub. Number AU-B-2007226489

PCT Pub. Number WO2007/104820

Priority P200600704 14.03.06 ES

Filing date 14 March 2007

Wipo publication date 20 September 2007

Acceptance publication date 23 June 2011

International Classifications

E02D 19/10 (2006.01) Keeping dry foundation sites or other areas in the ground

F04F 1/08 (2006.01) Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped

F42D 1/00 (2006.01) Blasting methods or apparatus, e.g. for loading or tamping

Event Publications

6 November 2008 PCT application entered the National Phase

  PCT publication WO2007/104820 Priority application(s): WO2007/104820

23 June 2011 Application Accepted

  Published as AU-B-2007226489

20 October 2011 Standard Patent Sealed

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