with coaxial duct arrangement

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ROOF PLUMBING VENTS AND METHODS INCLUDING FOR TANKLESS WATER HEATER...

    • Publication number 20240360997
    • Publication date Oct 31, 2024
    • Aurora Plumbing Company, LLC
    • Scott Beyer
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    ROOF PLUMBING VENTS AND METHODS INCLUDING FOR TANKLESS WATER HEATER...

    • Publication number 20230027028
    • Publication date Jan 26, 2023
    • Aurora Plumbing Company, LLC
    • Scott Beyer
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Detecting Blockage Of A Duct

    • Publication number 20180274782
    • Publication date Sep 27, 2018
    • Siemens Aktiengesellschaft
    • Bernd Schmiederer
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Gas Exchange Termination System

    • Publication number 20170350594
    • Publication date Dec 7, 2017
    • John E. Hohman
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    EXHAUST ADAPTER, EXHAUST STRUCTURE FOR WATER HEATER, AND METHOD FOR...

    • Publication number 20170130960
    • Publication date May 11, 2017
    • Noritz Corporation
    • Takanori NAGANO
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    COGENERATION APPARATUS

    • Publication number 20120193911
    • Publication date Aug 2, 2012
    • Honda Motor Co., Ltd.
    • Nobuyuki Sasaki
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    HEATING APPARATUS WITH FAN

    • Publication number 20120031392
    • Publication date Feb 9, 2012
    • David Deng
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    TRANSITION ELEMENT FOR A PASSAGE IN A WATER HEATER

    • Publication number 20100101505
    • Publication date Apr 29, 2010
    • Rodney Ray Syler
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Flue, and a Boiler Including Such a Flue

    • Publication number 20090272340
    • Publication date Nov 5, 2009
    • Zenex Technologies Limited
    • Christopher C. Farrell
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Sealed combustion gas-fired infrared heater

    • Publication number 20060183066
    • Publication date Aug 17, 2006
    • John E. Eichenlaub
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Through a wall combustion detector

    • Publication number 20060105280
    • Publication date May 18, 2006
    • Honeywell International, Inc.
    • James G. McAward
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Positive pipe interlock

    • Publication number 20050155209
    • Publication date Jul 21, 2005
    • Flexmaster Canada Limited
    • Jules Isendam
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Fireplace make-up air heat exchange system

    • Publication number 20030127529
    • Publication date Jul 10, 2003
    • David Charles Lyons
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Heat exchange system

    • Publication number 20030098358
    • Publication date May 29, 2003
    • HON Technology Inc.
    • David Charles Lyons
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Direct venting vent pipe

    • Publication number 20020092518
    • Publication date Jul 18, 2002
    • Dennis Maiello
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Heat exchange system

    • Publication number 20010042610
    • Publication date Nov 22, 2001
    • David Charles Lyons
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Liquid-fuel leaktight heating appliance

    • Publication number 20010035179
    • Publication date Nov 1, 2001
    • Gerard Linard
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES