with symmetrical double wraps

Patents Grantslast 30 patents

  • Information Patent Grant

    Scroll expander

    • Patent number 9,869,181
    • Issue date Jan 16, 2018
    • Anest Iwata Corporation
    • Tamotsu Fujioka
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Scroll expander

    • Patent number 9,316,224
    • Issue date Apr 19, 2016
    • ANEST IWATA CORPORATION
    • Atsushi Unami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll expander with adiabatic layer

    • Patent number 9,316,223
    • Issue date Apr 19, 2016
    • Anest Iwata Corporation
    • Atsushi Unami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Double rotation type scroll expander and power generation apparatus...

    • Patent number 9,175,683
    • Issue date Nov 3, 2015
    • Anest Iwata Corporation
    • Atsushi Unami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Displacement machine employing a plurality of intermeshing spiral d...

    • Patent number 5,154,591
    • Issue date Oct 13, 1992
    • Aginfor AG fur industrielle Forschung
    • Heinrich Guttinger
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Scroll-type fluid displacement apparatus with peripheral drive

    • Patent number 4,192,152
    • Issue date Mar 11, 1980
    • Arthur D. Little, Inc.
    • Allen E. Armstrong
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...

Patents Applicationslast 30 patents

  • Information Patent Application

    SCROLL EXPANDER

    • Publication number 20160123147
    • Publication date May 5, 2016
    • Anest Iwata Corporation
    • Tamotsu FUJIOKA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SCROLL EXPANDER

    • Publication number 20130315767
    • Publication date Nov 28, 2013
    • Anest Iwata Corporation
    • Atsushi UNAMI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DOUBLE ROTATION TYPE SCROLL EXPANDER AND POWER GENERATION APPARATUS...

    • Publication number 20130309116
    • Publication date Nov 21, 2013
    • Anest Iwata Corporation
    • Atsushi UNAMI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL EXPANDER

    • Publication number 20130302199
    • Publication date Nov 14, 2013
    • Anest Iwata Corporation
    • Atsushi UNAMI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...