TREA

To form only air passages

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  • CPC
  • Y10S165/386
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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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Y10S165/386To form only air passages
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Patents Grantslast 30 patents

  • Information Patent Grant

    2307298
    • Patent number 2,307,298
    • Issue date Jan 5, 1943
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1838568
    • Patent number 1,838,568
    • Issue date Dec 29, 1931
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1821562
    • Patent number 1,821,562
    • Issue date Sep 1, 1931
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1812515
    • Patent number 1,812,515
    • Issue date Jun 30, 1931
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1730719
    • Patent number 1,730,719
    • Issue date Oct 8, 1929
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1609408
    • Patent number 1,609,408
    • Issue date Dec 7, 1926
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1486326
    • Patent number 1,486,326
    • Issue date Mar 11, 1924
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1460805
    • Patent number 1,460,805
    • Issue date Jul 3, 1923
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1429440
    • Patent number 1,429,440
    • Issue date Sep 19, 1922
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1426725
    • Patent number 1,426,725
    • Issue date Aug 22, 1922
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1417783
    • Patent number 1,417,783
    • Issue date May 30, 1922
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1412862
    • Patent number 1,412,862
    • Issue date Apr 18, 1922
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1408060
    • Patent number 1,408,060
    • Issue date Feb 28, 1922
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1403226
    • Patent number 1,403,226
    • Issue date Jan 10, 1922
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1401604
    • Patent number 1,401,604
    • Issue date Dec 27, 1921
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1368202
    • Patent number 1,368,202
    • Issue date Feb 8, 1921
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1356897
    • Patent number 1,356,897
    • Issue date Oct 26, 1920
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1354964
    • Patent number 1,354,964
    • Issue date Oct 5, 1920
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1354351
    • Patent number 1,354,351
    • Issue date Sep 28, 1920
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1338753
    • Patent number 1,338,753
    • Issue date May 4, 1920
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1321515
    • Patent number 1,321,515
    • Issue date Nov 11, 1919
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1315249
    • Patent number 1,315,249
    • Issue date Sep 9, 1919
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1301984
    • Patent number 1,301,984
    • Issue date Apr 29, 1919
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1279527
    • Patent number 1,279,527
    • Issue date Sep 24, 1918
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1255173
    • Patent number 1,255,173
    • Issue date Feb 5, 1918
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1233429
    • Patent number 1,233,429
    • Issue date Jul 17, 1917
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1216509
    • Patent number 1,216,509
    • Issue date Feb 20, 1917
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1191359
    • Patent number 1,191,359
    • Issue date Jul 18, 1916
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1140494
    • Patent number 1,140,494
    • Issue date May 25, 1915
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1073579
    • Patent number 1,073,579
    • Issue date Sep 16, 1913
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents