S4 ENERGY B.V.

Patent Applications and Registrations

Patent applications and USPTO patent grants for S4 ENERGY B.V..The latest application filed is for "flywheel system".

Company Profile

10.11.10

S4 ENERGY B.V. - Rotterdam NL
S4 ENERGY B.V. - BM ROTTERDAM NL
S4 Energy B.V. - Rotterdan NL

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
System and method to suppress grid frequency deviations Grant 10,944,266 - Visser , et al. March 9, 2	2021-03-09
Flywheel system Grant 10,907,701 - Teerlink February 2, 2	2021-02-02
Flywheel system Grant 10,514,082 - Visser , et al. Dec	2019-12-24
Flywheel System App 20190145492 - Visser; Leendert ; et al.	2019-05-16
System And Method To Suppress Grid Frequency Deviations App 20190044337 - VISSER; Leendert ; et al.	2019-02-07
Inertial energy accumulating device Grant 10,119,524 - Teerlink November 6, 2	2018-11-06
Device for reducing the load on a supporting structure, in particular an inertial energy accumulating device Grant 9,695,804 - De Vries July 4, 2	2017-07-04
A Flywheel System App 20170037932 - Teerlink; Peter	2017-02-09
Inertial energy accumulating device Grant 9,350,213 - De Vries May 24, 2	2016-05-24
Inertial Energy Accumulating Device App 20160138573 - TEERLINK; Peter	2016-05-19
Device For Reducing The Load On A Supporting Structure, In Particular An Inertial Energy Accumulating Device App 20150308418 - De Vries; Carl Maria	2015-10-29
Inertial Energy Accumulating Device App 20140116198 - De Vries; Carl Maria	2014-05-01
Transmission Device For A Machine For Producing Electricity From A Variable Speed Motive Power Source, Unit For Producing Electricity And Wind Turbine Both So Equipped, And Method Of Setting A Transmission Ratio App 20110206517 - Antonov; Roumen ; et al.	2011-08-25

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