TREA

Air passages defined by spacing projections of sheets

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  • CPC
  • Y10S165/376
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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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Y10S165/376Air passages defined by spacing projections of sheets
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Patents Grantslast 30 patents

  • Information Patent Grant

    3845814
    • Patent number 3,845,814
    • Issue date Nov 5, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3810509
    • Patent number 3,810,509
    • Issue date May 14, 1974
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3757855
    • Patent number 3,757,855
    • Issue date Sep 11, 1973
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1902320
    • Patent number 1,902,320
    • Issue date Mar 21, 1933
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1472954
    • Patent number 1,472,954
    • Issue date Nov 6, 1923
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1446819
    • Patent number 1,446,819
    • Issue date Feb 27, 1923
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1190424
    • Patent number 1,190,424
    • Issue date Jul 11, 1916
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents