Air filtration for rock drillinig

Details for Australian Patent Application No. 2009200074 (hide)

Owner Sandvik Mining and Construction

Inventors Shotton, Vincent Wayne

Agent Pizzeys

Pub. Number AU-B-2009200074

Priority 61/019,860 09.01.08 US

Filing date 8 January 2009

Wipo publication date 23 July 2009

Acceptance publication date 2 February 2012

International Classifications

E21B 21/14 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

B01D 45/16 (2006.01) Separating dispersed particles from gases or vapours

E21B 17/22 (2006.01) Drilling rods or pipes

E21B 21/00 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

Event Publications

5 February 2009 Complete Application Filed

  Priority application(s): 61/019,860 09.01.08 US

23 July 2009 Application Open to Public Inspection

  Published as AU-B-2009200074

2 February 2012 Application Accepted

  Published as AU-B-2009200074

9 February 2012 Application for Amendment

  The nature of the amendment is: Amend the invention title to read Air filtration for rock drilling. Address for service in Australia - Pizzeys Patent and Trade Mark Attorneys Level 20 324 Queen Street Brisbane QLD 4000

12 April 2012 Assignment before Grant

  Sandvik Mining and Construction The application has been assigned to Sandvik Intellectual Property AB

7 June 2012 Amendment Made

  The nature of the amendment is: Amend the invention title to read Air filtration for rock drilling

14 June 2012 Standard Patent Sealed

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