TREA

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  • CPC
  • Y10S165/377
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Parent Industries

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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Y10S165/377Spacing projections formed by folded sheet portions
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    1735942
    • Patent number 1,735,942
    • Issue date Nov 19, 1929
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1683340
    • Patent number 1,683,340
    • Issue date Sep 4, 1928
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1682327
    • Patent number 1,682,327
    • Issue date Aug 28, 1928
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1657463
    • Patent number 1,657,463
    • Issue date Jan 31, 1928
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1481291
    • Patent number 1,481,291
    • Issue date Jan 22, 1924
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1410531
    • Patent number 1,410,531
    • Issue date Mar 21, 1922
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1404160
    • Patent number 1,404,160
    • Issue date Jan 17, 1922
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1321052
    • Patent number 1,321,052
    • Issue date Nov 4, 1919
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1189540
    • Patent number 1,189,540
    • Issue date Jul 4, 1916
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1139961
    • Patent number 1,139,961
    • Issue date May 18, 1915
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1086061
    • Patent number 1,086,061
    • Issue date Feb 3, 1914
    • F28 - HEAT EXCHANGE IN GENERAL