Improved three stage power source for electric arc welding

Details for Australian Patent Application No. 2007200934 (hide)

Owner Lincoln Global, Inc.

Inventors Luo, Li-Feng; Kooken, Todd Eric

Agent Spruson & Ferguson

Pub. Number AU-B-2007200934

Priority 11/551957 23.10.06 US

Filing date 2 March 2007

Wipo publication date 8 May 2008

Acceptance publication date 10 June 2010

International Classifications

B23K 9/06 (2006.01) Electric welding or cutting - Arrangements or circuits for starting the arc, e.g. by generating ignition voltage, or for stabilising the arc

B23K 9/09 (2006.01) Electric welding or cutting - Arrangements or circuits for arc welding with pulsed current or voltage

Event Publications

22 March 2007 Complete Application Filed

  Priority application(s): 11/551957 23.10.06 US

8 May 2008 Application Open to Public Inspection

  Published as AU-B-2007200934

10 June 2010 Application Accepted

  Published as AU-B-2007200934

7 October 2010 Standard Patent Sealed

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