Equipment and method for measuring concentration and flow rate of gas ultrasonically

Details for Australian Patent Application No. 2002225467 (hide)

Owner Teijin Limited

Inventors Fujimoto, Naotoshi

Agent Davies Collison Cave

Pub. Number AU-B-2002225467

PCT Pub. Number WO2002/057770

Priority 2001-12861 22.01.01 JP; 2001-12862 22.01.01 JP

Filing date 22 January 2002

Wipo publication date 30 July 2002

Acceptance publication date 20 July 2006

International Classifications

G01N 29/024 (2006.01) Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves

G01F 1/66 (2006.01) Measuring volume flow - by measuring frequency, phase shift, or propagation time of electromagnetic or other waves, e.g. ultrasonic flowmeters

Event Publications

13 February 2003 Application Open to Public Inspection

  Published as AU-B-2002225467

20 July 2006 Application Accepted

  Published as AU-B-2002225467

16 November 2006 Standard Patent Sealed

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