Dust particle catcher for a drilling apparatus

Details for Australian Patent Application No. 2007274619 (hide)

Owner Gouws, P.

Inventors Gouws, Petrus Christiaan

Agent Davies Collison Cave

Pub. Number AU-A-2007274619

PCT Pub. Number WO2008/010174

Priority 2006/05978 19.07.06 ZA; 2007/00913 31.01.07 ZA

Filing date 13 July 2007

Wipo publication date 24 January 2008

International Classifications

E21B 21/015 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

E21B 21/16 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

E21B 49/00 (2006.01) Testing the nature of borehole walls

Event Publications

5 March 2009 PCT application entered the National Phase

  PCT publication WO2008/010174 Priority application(s): WO2008/010174

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