TREA

Helically formed

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  • CPC
  • Y10S165/535
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YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10USPC classification Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS Y10S165/00Heat exchange

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Y10S165/535Helically formed
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tubular body
    • Patent number 4,245,697
    • Issue date Jan 20, 1981
    • Akira Togashi
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3612175
    • Patent number 3,612,175
    • Issue date Oct 12, 1971
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents