TREA

Surrounding by a helical flow channel

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  • CPC
  • Y10S165/115
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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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Y10S165/115Surrounding by a helical flow channel
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Patents Grantslast 30 patents

  • Information Patent Grant

    1025736
    • Patent number 1,025,736
    • Issue date May 7, 1912
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    676180
    • Patent number 676,180
    • Issue date Jun 11, 1901
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    330633
    • Patent number 330,633
    • Issue date Nov 17, 1885
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    158380
    • Patent number 158,380
    • Issue date Jan 5, 1875
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    89701
    • Patent number 89,701
    • Issue date May 4, 1869
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    53789
    • Patent number 53,789
    • Issue date Apr 10, 1866
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    42049
    • Patent number 42,049
    • Issue date Mar 22, 1864
    • F24 - HEATING RANGES VENTILATING