ClassID:

217122

H02J15/003 - CPC Classification

Classification description:

Systems for storing electric energy in the form of hydraulic energy

Recent Application in this class:
#1
20260028958
2026-01-29

RESERVOIR-REGULATING DIGITAL LOAD CONTROL

#2
20250330045
2025-10-23

ENERGY STORAGE SYSTEMS AND METHODS USING HETEROGENEOUS PRESSURE MEDIA AND INTERACTIVE ACTUATION MODULE

#3
20250149890
2025-05-08

MOVING AND STORING ENERGY BETWEEN UTILITY'S ENERGY DELIVERY NETWORKS

#4
20250129761
2025-04-24

METHOD AND DEVICE FOR STORING ENERGY

#5
20250065829
2025-02-27

Energy Supply Management System for a Vehicle, Method for Determining the Coverage of an Energy Requirement of a Load Unit of the Energy Supply Management System, and Computer Program Product

#6
20240364124
2024-10-31

POWER STORAGE AND DISCHARGE SYSTEM

#7
20240228332
2024-07-11

SUBSEA DESALINATION SYSTEMS AND METHODS USING FLUID DISPLACEMENT

#8
20240106269
2024-03-28

Method of Unlimited Direct Use Of Excess Energy, Generated During Off-Peak Consumption Of The Electrical Network

#9
20240094689
2024-03-21

ELECTRICAL ENERGY STORAGE SYSTEM, METHOD FOR STORING AND RETRIEVING ELECTRICAL ENERGY, AND COMPUTER PROGRAMME

#10
20230391640
2023-12-07

Subsea desalination systems and methods using fluid displacement

#11
20230268768
2023-08-24

ELECTRICITY GENERATION SYSTEM COMPRISING A WATER TURBINE WITH IMPROVED DYNAMIC RESPONSE

#12
20230243599
2023-08-03

THERMOELECTRIC DEVICE FOR STORAGE OR CONVERSION OF ENERGY

#13
20230193871
2023-06-22

Method and device for storing energy

#14
20230179017
2023-06-08

ENERGY STORAGE SYSTEMS AND METHODS USING HETEROGENEOUS PRESSURE MEDIA AND INTERACTIVE ACTUATION MODULE

#15
20230160403
2023-05-25

DEPLOYABLE ENERGY SUPPLY AND MANAGEMENT SYSTEM

#16
20220402700
2022-12-22

Subterranean energy storage system

#17
20220316437
2022-10-06

Reservoir-regulating digital load control

#18
20220307458
2022-09-29

Ocean wave energy collector based on magnetic force and triboelectric effect

#19
20220282697
2022-09-08

Brine power

#20
20220243695
2022-08-04

Fluid displacement energy storage with fluid power transfer

#21
20220228606
2022-07-21

Energy storage systems

#22
20220178339
2022-06-09

Power generation using storage reservoirs at different elevations

#23
20220178338
2022-06-09

Density differential desalination

#24
20220178337
2022-06-09

Fluid displacement energy storage

#25
20210359522
2021-11-18

Energy control for energy storage systems

#26
20210351615
2021-11-11

System for energy storage and electrical power generation

#27
20210221351
2021-07-22

Low density fluid displacement to store or generate power

#28
20210071632
2021-03-11

Underwater energy storage system

#29
20200399848
2020-12-24

Low density fluid displacement to store or generate power

#30
20200343733
2020-10-29

Energy generation, storage and management system

#31
20200335973
2020-10-22

ENERGY TRANSFER THROUGH FLUID FLOWS

#32
20200295564
2020-09-17

Moving and storing energy between utility's energy delivery networks

#33
20200198615
2020-06-25

Low density fluid displacement to store or generate power

#34
20190393723
2019-12-26

Utility grid, intermittent energy management system

#35
20190345910
2019-11-14

Low density fluid displacement to generate power

#36
20190331084
2019-10-31

PUMPED STORAGE POWER STATION WITH ULTRA-CAPACITOR ARRAY

#37
20190284995
2019-09-19

System for energy storage and recovery

#38
20190280523
2019-09-12

Solid-state energy harvester of transition metal suboxides

#39
20190235457
2019-08-01

Modularized energy management using pooling

#40
20190170170
2019-06-06

Hydraulic systems and components including wireless control technology

#41
20190064757
2019-02-28

Energy management with multiple pressurized storage elements

#42
20190063265
2019-02-28

Method for liquid air and gas energy storage

#43
20190048746
2019-02-14

Power plant and method of controlling same

#44
20180180019
2018-06-28

Energy storage and power generation system and method

#45
20170279303
2017-09-28

Hydraulic based efficient renewable energy storage and regeneration system

#46
20170260961
2017-09-14

Pumped-storage power generation control device and pumped-storage power generation control method

#47
20170122284
2017-05-04

Stored energy system

#48
20170005478
2017-01-05

Installation for transmitting electrical power

#49
20160124450
2016-05-05

Power management device

#50
20150180281
2015-06-25

Electrohydraulic generator systems and methods

#51
20150176607
2015-06-25

Uninterruptible power supply systems using electrohydraulic energy storage

#52
20150021992
2015-01-22

Fuel cell system, method for controlling fuel cell system, and storage battery system

#53
20140077599
2014-03-20

Multiple Hybrid Integration

#54
20140060028
2014-03-06

Pumped-storage power plant

#55
20130213744
2013-08-22

System and method for managing a current flow in a lift machine

#56
20130174725
2013-07-11

System for storing potential energy and method for producing such a system

#57
20120306442
2012-12-06

Rapid energy recharge system for a battery electric vehicle

#58
20120293109
2012-11-22

Method and System for Efficiently Exploiting Renewable Electrical Energy Sources

#59
20120112472
2012-05-10

Energy storage devices and methods of using same

#60
20120091942
2012-04-19

SUBMERGED CHARGING STATION

#61
20120042643
2012-02-23

Method and apparatus for storing mechanical energy by quasi-isothermal expansion and compression of a gas

#62
20110113769
2011-05-19

ENERGY STORAGE SYSTEM

#63
20100259044
2010-10-14

Power generation system

#64
20100199652
2010-08-12

Multistage hydraulic gas compression/expansion systems and methods

#65
20100072818
2010-03-25

Electrical energy storage and retrieval system

#66
18482367
2024-12-03

Energy storage system

#67
18112287
2024-10-08

Buffering in photovoltaic plus storage systems