4. Stoves and furnaces
  5. Liquid heater
  6. Open-top vessel that may include lid

Noboru Maruyama

Inventor

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Aeration structure in buildings

Ventilation – Having both inlet and outlet airways – Natural ventilation including air passage through rooftop
Patent

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Annular milling cutter for machining bevel gear

Cutters – for shaping – Gear cutting tool – Face mill gear cutting tool
Patent

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Electromagnetic conductivity meter and a conductivity measuring

Electricity: measuring and testing – Electrolyte properties – Using a conductivity determining device
Patent

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Heat exchanging apparatus

Heat exchange – Casing or tank enclosed conduit assembly – Conduit coiled within casing
Patent

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Heat supply system

Heating systems – Heat radiators
Reexamination Certificate

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Profile ID: LFUS-PAI-P-63382

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