F22B13/02 - CPC Classification Index

ClassID:

155477 ⎘

F22B13/02 - CPC Classification

Classification description:

Steam boilers of fire-box type, i.e. the combustion of fuel being performed in a chamber or fire-box with subsequent flue(s) or fire tube(s), both chamber or fire-box and flues or fire tubes being built-in in the boiler body mounted in fixed position with the boiler body disposed upright

Sub-classes:

F22B13/023 » {with auxiliary water tubes inside the fire-box, e.g. vertical tubes } 5

Recent Application in this class:

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20150040842

Thermal storage condensing boiler or heat exchanger

20100242862

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Flue baffle for gas-fired hot water tanks

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20080006261

Steam generator with external probe housing unit