TREA

Plural air draft passages enclosed by casing

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  • Y10S165/335
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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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Y10S165/335Plural air draft passages enclosed by casing
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Patents Grantslast 30 patents

  • Information Patent Grant

    1911197
    • Patent number 1,911,197
    • Issue date May 30, 1933
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1895075
    • Patent number 1,895,075
    • Issue date Jan 24, 1933
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1721149
    • Patent number 1,721,149
    • Issue date Jul 16, 1929
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1111242
    • Patent number 1,111,242
    • Issue date Sep 22, 1914
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1039927
    • Patent number 1,039,927
    • Issue date Oct 1, 1912
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    898932
    • Patent number 898,932
    • Issue date Sep 15, 1908
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    601368
    • Patent number 601,368
    • Issue date Mar 29, 1898
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    551489
    • Patent number 551,489
    • Issue date Dec 17, 1895
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    538519
    • Patent number 538,519
    • Issue date Apr 30, 1895
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    525931
    • Patent number 525,931
    • Issue date Sep 11, 1894
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    488764
    • Patent number 488,764
    • Issue date Dec 27, 1892
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    476794
    • Patent number 476,794
    • Issue date Jun 14, 1892
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    444078
    • Patent number 444,078
    • Issue date Jan 6, 1891
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    416601
    • Patent number 416,601
    • Issue date Dec 3, 1889
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    403349
    • Patent number 403,349
    • Issue date May 14, 1889
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    260512
    • Patent number 260,512
    • Issue date Jul 4, 1882
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    205018
    • Patent number 205,018
    • Issue date Jun 18, 1878
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    167129
    • Patent number 167,129
    • Issue date Aug 24, 1875
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    147794
    • Patent number 147,794
    • Issue date Feb 24, 1874
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    117675
    • Patent number 117,675
    • Issue date Aug 1, 1871
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    97915
    • Patent number 97,915
    • Issue date Dec 14, 1869
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    86362
    • Patent number 86,362
    • Issue date Feb 2, 1869
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    66369
    • Patent number 66,369
    • Issue date Jul 2, 1867
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    64293
    • Patent number 64,293
    • Issue date Apr 30, 1867
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    53029
    • Patent number 53,029
    • Issue date Mar 6, 1866
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    46941
    • Patent number 46,941
    • Issue date Mar 21, 1865
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    36068
    • Patent number 36,068
    • Issue date Aug 5, 1862
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    28493
    • Patent number 28,493
    • Issue date May 29, 1860
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    9690
    • Patent number 9,690
    • Issue date Apr 26, 1853
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents