PTC heater

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United States of America Patent

PATENT NO 11821656
APP PUB NO 20210239359A1
SERIAL NO

17235378

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A heating apparatus is disclosed. The heating apparatus comprises a PTC heating element, a first electrode, a second electrode, a first protection layer, a second protection layer, a first interlayer, and a second interlayer. A hardness of the first protection layer is greater than that of the first interlayer. A hardness of the second protection layer is greater than that of the second interlayer.

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Patent Owner(s)

  • BESTWAY INFLATABLES & MATERIALS CORP.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Liu, Feng Shanghai, CN 583 7601

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