TREA

Angled air draft passage

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  • CPC
  • Y10S165/336
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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

Current Industry

Y10S165/336Angled air draft passage
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    801956
    • Patent number 801,956
    • Issue date Oct 17, 1905
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    798183
    • Patent number 798,183
    • Issue date Aug 29, 1905
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    738414
    • Patent number 738,414
    • Issue date Sep 8, 1903
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    668332
    • Patent number 668,332
    • Issue date Feb 19, 1901
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    518864
    • Patent number 518,864
    • Issue date Apr 24, 1894
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    318167
    • Patent number 318,167
    • Issue date May 19, 1885
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    315818
    • Patent number 315,818
    • Issue date Apr 14, 1885
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    238905
    • Patent number 238,905
    • Issue date Mar 15, 1881
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    222395
    • Patent number 222,395
    • Issue date Dec 9, 1879
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    195320
    • Patent number 195,320
    • Issue date Sep 18, 1877
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    70168
    • Patent number 70,168
    • Issue date Oct 29, 1867
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    33849
    • Patent number 33,849
    • Issue date Dec 3, 1861
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    5812
    • Patent number 5,812
    • Issue date Sep 26, 1848
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR