Improved three stage power source for electronic arc welding

Details for Australian Patent Application No. 2005237177 (hide)

Owner Lincoln Global, Inc.

Inventors Kooken, Todd E.; Luo, Lifeng

Agent Spruson & Ferguson

Pub. Number AU-B-2005237177

Priority 11/087179 24.03.05 US

Filing date 25 November 2005

Wipo publication date 12 October 2006

Acceptance publication date 31 May 2007

International Classifications

H02M 5/42 (2006.01) Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases

Event Publications

15 December 2005 Complete Application Filed

  Priority application(s): 11/087179 24.03.05 US

12 October 2006 Application Open to Public Inspection

  Published as AU-B-2005237177

31 May 2007 Application Accepted

  Published as AU-B-2005237177

4 October 2007 Standard Patent Sealed

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