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Hot water pan for a chafer

Stoves and furnaces – Liquid heater – Open-top vessel that may include lid
Patent

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Hot water priming device

Stoves and furnaces – Liquid heater – Boiler receiving hot liquid or steam from stove or furnace
Patent

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Hot water supply system

Stoves and furnaces – Liquid heater – Boiler receiving hot liquid or steam from stove or furnace
Patent

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Hot water supply system

Stoves and furnaces – Liquid heater – Boiler receiving hot liquid or steam from stove or furnace
Patent

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Hot water supply system

Stoves and furnaces – Liquid heater – Boiler receiving hot liquid or steam from stove or furnace
Patent

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Hot water tank check valve

Stoves and furnaces – Liquid heater – Boiler receiving hot liquid or steam from stove or furnace
Patent

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Hot water tank water preheater

Stoves and furnaces – Liquid heater – Boiler receiving hot liquid or steam from stove or furnace
Patent

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Hot-water boiler of the direct-heating type

Stoves and furnaces – Liquid heater – Fluid fuel burner for other than top-accessible vessel
Patent

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Humidifier and air circulator

Stoves and furnaces – Liquid heater – Fluid fuel burner for other than top-accessible vessel
Patent

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Hybrid atmospheric water heater

Stoves and furnaces – Liquid heater – Fluid fuel burner for other than top-accessible vessel
Reexamination Certificate

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Hybrid direct/indirect water heating process and apparatus

Stoves and furnaces – Liquid heater – Fluid fuel burner for other than top-accessible vessel
Patent

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