Tops for chimneys or ventilating shafts; Terminals for flues

Full Title

Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues > Tops for chimneys or ventilating shafts; Terminals for flues

Child Classifications

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• F23L 17/04 Balanced-flue arrangements, i.e. devices which combine air inlet to combustion unit with smoke outlet
• F23L 17/06 branched; T-headed
• F23L 17/08 with coaxial cones or louvres
• F23L 17/10 wherein the top moves as a whole
• F23L 17/12 Devices for fastening the top or terminal to chimney, shaft, or flue
• F23L 17/14 Draining devices