Measurement of stress in a ferromagnetic material

Details for Australian Patent Application No. 2002216205 (hide)

Owner AEA Technology PLC

Inventors Buttle, David John

Agent Griffith Hack

Pub. Number AU-B-2002216205

PCT Pub. Number WO02/50503

Priority 0031216 20.12.00 GB

Filing date 18 December 2001

Wipo publication date 1 July 2002

Acceptance publication date 6 July 2006

International Classifications

G01L 1/12 (2006.01) Measuring force or stress, in general - by measuring variations in the magnetic properties of materials resulting from the application of stress

G01N 27/82 (2006.01) Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means - for investigating the presence of flaws

Event Publications

6 July 2006 Application Accepted

  Published as AU-B-2002216205

2 November 2006 Assignment before Grant

  AEA Technology PLC The application has been assigned to ESR Technology Ltd

2 November 2006 Standard Patent Sealed

6 December 2007 Assignment Registered

  ESR Technology Limited The patent has been assigned to MAPS Technology Limited

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