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  • CPC
  • Y10S165/144
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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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Y10S165/144Helical
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary tube cooler construction
    • Patent number 4,711,297
    • Issue date Dec 8, 1987
    • MAN Gutehoffnungshutte GmbH
    • Heinz Haacker
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3623548
    • Patent number 3,623,548
    • Issue date Nov 30, 1971
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1839057
    • Patent number 1,839,057
    • Issue date Dec 29, 1931
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1160481
    • Patent number 1,160,481
    • Issue date Nov 16, 1915
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1073945
    • Patent number 1,073,945
    • Issue date Sep 23, 1913
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    443201
    • Patent number 443,201
    • Issue date Dec 23, 1890
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    308529
    • Patent number 308,529
    • Issue date Nov 25, 1884
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    231861
    • Patent number 231,861
    • Issue date Aug 31, 1880
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents