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S4 ENERGY B.V.

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  • Rotterdam, NL
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Patents Grantslast 30 patents

  • Information Patent Grant

    System and method to suppress grid frequency deviations
    • Patent number 10,944,266
    • Issue date Mar 9, 2021
    • S4 Energy B.V.
    • Leendert Visser
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Flywheel system
    • Patent number 10,907,701
    • Issue date Feb 2, 2021
    • S4 Energy B.V.
    • Peter Teerlink
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Flywheel system
    • Patent number 10,514,082
    • Issue date Dec 24, 2019
    • S4 Energy B.V.
    • Leendert Visser
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Inertial energy accumulating device
    • Patent number 10,119,524
    • Issue date Nov 6, 2018
    • S4 Energy B.V.
    • Peter Teerlink
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Device for reducing the load on a supporting structure, in particul...
    • Patent number 9,695,804
    • Issue date Jul 4, 2017
    • S4 Energy B.V.
    • Carl Maria De Vries
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Inertial energy accumulating device
    • Patent number 9,350,213
    • Issue date May 24, 2016
    • S4 Energy B.V.
    • Carl Maria De Vries
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

  • Information Patent Application

    Flywheel System
    • Publication number 20190145492
    • Publication date May 16, 2019
    • S4 ENERGY B.V.
    • Leendert Visser
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SYSTEM AND METHOD TO SUPPRESS GRID FREQUENCY DEVIATIONS
    • Publication number 20190044337
    • Publication date Feb 7, 2019
    • S4 ENERGY B.V.
    • Leendert VISSER
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    A Flywheel System
    • Publication number 20170037932
    • Publication date Feb 9, 2017
    • S4 ENERGY B.V.
    • Peter Teerlink
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    INERTIAL ENERGY ACCUMULATING DEVICE
    • Publication number 20160138573
    • Publication date May 19, 2016
    • S4 Energy B.V.
    • Peter TEERLINK
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    DEVICE FOR REDUCING THE LOAD ON A SUPPORTING STRUCTURE, IN PARTICU...
    • Publication number 20150308418
    • Publication date Oct 29, 2015
    • S4 ENERGY B.V.
    • Carl Maria De Vries
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    INERTIAL ENERGY ACCUMULATING DEVICE
    • Publication number 20140116198
    • Publication date May 1, 2014
    • S4 ENERGY B.V.
    • Carl Maria De Vries
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    TRANSMISSION DEVICE FOR A MACHINE FOR PRODUCING ELECTRICITY FROM A...
    • Publication number 20110206517
    • Publication date Aug 25, 2011
    • S4 ENERGY B.V.
    • Roumen Antonov
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...