including air fin apertures

Patents Grantslast 30 patents

  • Information Patent Grant

    Panel-type counter-flow heat exchanger with fin structures formed f...

    • Patent number 4,657,072
    • Issue date Apr 14, 1987
    • D. Mulock-Bentley and Associates (Proprietary) Limited
    • Desmond Mulock-Bentley
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    3521707

    • Patent number 3,521,707
    • Issue date Jul 28, 1970
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1969824

    • Patent number 1,969,824
    • Issue date Aug 14, 1934
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1969439

    • Patent number 1,969,439
    • Issue date Aug 7, 1934
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1800853

    • Patent number 1,800,853
    • Issue date Apr 14, 1931
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1717348

    • Patent number 1,717,348
    • Issue date Jun 11, 1929
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1657359

    • Patent number 1,657,359
    • Issue date Jan 24, 1928
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1644685

    • Patent number 1,644,685
    • Issue date Oct 11, 1927
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1567845

    • Patent number 1,567,845
    • Issue date Dec 29, 1925
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1454432

    • Patent number 1,454,432
    • Issue date May 8, 1923
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    1318012

    • Patent number 1,318,012
    • Issue date Oct 7, 1919
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents