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Leif Hallgren

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  • Hollviken, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Distribution pattern of a plate heat exchanger
    • Patent number 5,509,471
    • Issue date Apr 23, 1996
    • Alfa-Laval Thermal AB
    • Leif Hallgren
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Plate evaporator
    • Patent number 5,226,474
    • Issue date Jul 13, 1993
    • Alfa-Laval Thermal AB
    • Leif Hallgren
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Plate evaporator
    • Patent number 5,174,370
    • Issue date Dec 29, 1992
    • Alfa-Laval Thermal AB
    • Leif Hallgren
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Heat exchanger plate
    • Patent number 4,605,060
    • Issue date Aug 12, 1986
    • Alfa-Laval AB
    • Jarl A. Andersson
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Heat Exchanger
    • Publication number 20110083833
    • Publication date Apr 14, 2011
    • Alfa Laval Corporate AB
    • Alvaro Zorzin
    • F28 - HEAT EXCHANGE IN GENERAL