TREA

Nested or concentric members define annular air draft passage and heating or cooling conduit

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Industry

  • CPC
  • Y10S165/338
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Parent Industries

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

Y10S165/338Nested or concentric members define annular air draft passage and heating or cooling conduit
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3195623
    • Patent number 3,195,623
    • Issue date Jul 20, 1965
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    3022982
    • Patent number 3,022,982
    • Issue date Feb 27, 1962
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1639941
    • Patent number 1,639,941
    • Issue date Aug 23, 1927
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1325276
    • Patent number 1,325,276
    • Issue date Dec 16, 1919
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    736649
    • Patent number 736,649
    • Issue date Aug 18, 1903
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    732454
    • Patent number 732,454
    • Issue date Jun 30, 1903
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    559307
    • Patent number 559,307
    • Issue date Apr 28, 1896
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    547677
    • Patent number 547,677
    • Issue date Oct 8, 1895
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    316772
    • Patent number 316,772
    • Issue date Apr 28, 1885
    • F24 - HEATING RANGES VENTILATING