High efficiency, wet-base, dowfired multi-pass water heater

Details for Australian Patent Application No. 2007200275 (hide)

Owner Rheem Manufacturing Company

Inventors Zhang, Qian; Missoum, Ozzie; Welk, Gregory M.

Agent Spruson & Ferguson

Pub. Number AU-B-2007200275

Priority 11/350443 09.02.06 US

Filing date 23 January 2007

Wipo publication date 23 August 2007

Acceptance publication date 22 May 2008

International Classifications

F24H 8/00 (2006.01) Fluid heaters having heat-generating means specially adapted for extracting latent heat from flue gases by means of condensation

F24H 1/20 (2006.01) Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater - with immersed heating elements, e.g. electric elements or furnace tubes

Event Publications

8 February 2007 Complete Application Filed

  Priority application(s): 11/350443 09.02.06 US

1 March 2007 Corrigenda

  Complete Applications Filed - Name Index Under the name Rheem Manufacturing Company, Application No. 2007200275, under INID (22) correct the date to read 23.01.2007

23 August 2007 Application Open to Public Inspection

  Published as AU-B-2007200275

22 May 2008 Application Accepted

  Published as AU-B-2007200275

18 September 2008 Standard Patent Sealed

16 August 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired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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