Water heater with passive automatic hot water circulation through a home or building

Details for Australian Patent Application No. 2007272633 (hide)

Owner Evergreen Innovation Partners I, LP

Inventors Funk, John; Ziehm, Raymond G.

Agent Spruson & Ferguson

Pub. Number AU-A-2007272633

PCT Pub. Number WO2008/008734

Priority 11/742,472 30.04.07 US; 60/819,687 09.07.06 US

Filing date 9 July 2007

Wipo publication date 17 January 2008

International Classifications

F16K 49/00 (2006.01) Means in or on valves for heating or cooling

F24H 1/10 (2006.01) Water heaters having heat generating means, e.g. boiler, flow-heater, water-storage heater - Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium

F24H 9/00 (2006.01) Details

F24H 9/12 (2006.01) Details - Connecting heaters to circulation pipes

Event Publications

5 February 2009 PCT application entered the National Phase

  PCT publication WO2008/008734 Priority application(s): WO2008/008734

22 March 2012 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(e). Examination has been requested or an examination report has issued for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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