TREA

including intermediate sheet supporting opposed spacing projections

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  • CPC
  • Y10S165/378
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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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Y10S165/378including intermediate sheet supporting opposed spacing projections
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Patents Grantslast 30 patents

  • Information Patent Grant

    2004890
    • Patent number 2,004,890
    • Issue date Jun 11, 1935
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1850211
    • Patent number 1,850,211
    • Issue date Mar 22, 1932
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1523838
    • Patent number 1,523,838
    • Issue date Jan 20, 1925
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1448451
    • Patent number 1,448,451
    • Issue date Mar 13, 1923
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1442565
    • Patent number 1,442,565
    • Issue date Jan 16, 1923
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1377965
    • Patent number 1,377,965
    • Issue date May 10, 1921
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1355955
    • Patent number 1,355,955
    • Issue date Oct 19, 1920
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1346442
    • Patent number 1,346,442
    • Issue date Jul 13, 1920
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1295518
    • Patent number 1,295,518
    • Issue date Feb 25, 1919
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1271236
    • Patent number 1,271,236
    • Issue date Jul 2, 1918
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1239495
    • Patent number 1,239,495
    • Issue date Sep 11, 1917
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    14826
    • Patent number 14,826
    • Issue date May 6, 1856
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents