Thermal gas flowmeter comprising a gas quality indicator

Details for Australian Patent Application No. 2003290747 (hide)

Owner EMS-Patent AG

Inventors Matter, Daniel; Kramer, Beat; Sabbatini, Bruno; Luchsinger, Rolf

Agent Griffith Hack

Pub. Number AU-B-2003290747

PCT Number PCT/CH2003/0004

PCT Pub. Number WO2004/018976

Priority 02405715.0 22.08.02 EP

Filing date 22 July 2003

Wipo publication date 11 March 2004

Acceptance publication date 11 September 2008

International Classifications

G01F 1/696 (2006.01) Measuring volume flow - Circuits therefor, e.g. constant-current flow meters

G01F 15/04 (2006.01) Details of, or accessories for, apparatus of groups insofar as such details or appliances are not adapted to particular types of such apparatus

G01F 25/00 (2006.01) Testing or calibrating of apparatus for measuring volume, volume flow, or liquid level, or for metering by volume

G01N 33/22 (2006.01) Investigating or analysing materials by specific methods not covered by groups - Fuels

Event Publications

8 April 2004 Complete Application Filed

  Priority application(s): 02405715.0 22.08.02 EP

22 April 2004 Application Open to Public Inspection

  Published as AU-B-2003290747

17 November 2005 Assignment before Grant

  ABB Research Ltd. The application has been assigned to EMS-Patent AG 2004

11 September 2008 Application Accepted

  Published as AU-B-2003290747

2 October 2008 Corrigenda

  Applications Accepted - Name Index Under the name EMS-Patent AG, Application No. 2003290747, under INID (72), correct the co-inventor name from Sabbatini, Bruno to Sabbattini, Bruno

22 January 2009 Standard Patent Sealed

17 February 2011 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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