4. Electric resistance heating devices
  5. Heating devices
  6. Continuous flow type fluid heater

Leif Liljegren

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Central space heating apparatus

Heat exchange – Structural installation – Heating and cooling
Patent

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Electric fluid heater employing pressurized helium as a heat tra

Electric heating – Heating devices – Combined with diverse-type art device
Patent

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Electric hot water tank with layered storage

Electric resistance heating devices – Heating devices – Continuous flow type fluid heater
Patent

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Heat exchanger

Heat exchange – Intermediate fluent heat exchange material receiving and... – Including means to move gaseous heat exchange material
Patent

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Heating apparatus

Baths – closets – sinks – and spittoons – Tubs – Combined with diverse means
Patent

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Profile ID: LFUS-PAI-P-75532

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