Helical internal support structure for intake screens

Details for Australian Patent Application No. 2007200277 (hide)

Owner Weatherford/Lamb, Inc.

Inventors Ganfield, Dan; Osborne, Jay R.; Ekholm, Michael

Agent Pizzeys

Pub. Number AU-B-2007200277

Priority 11/345,155 01.02.06 US

Filing date 24 January 2007

Wipo publication date 16 August 2007

Acceptance publication date 8 January 2009

International Classifications

B01D 35/31 (2006.01) Other filtering devices

B01D 29/15 (2006.01) Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor

Event Publications

8 February 2007 Complete Application Filed

  Priority application(s): 11/345,155 01.02.06 US

16 August 2007 Application Open to Public Inspection

  Published as AU-B-2007200277

8 January 2009 Application Accepted

  Published as AU-B-2007200277

7 May 2009 Standard Patent Sealed

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