ClassID:

144820

F05B2260/421 - CPC Classification

Classification description:

Function; Storage of energy in the form of rotational kinetic energy, e.g. in flywheels

Recent Application in this class:
#1
20260002523
2026-01-01

MOLDED MAT WITH INTEGRATED FLUID FLOW CHANNELS AND MANIFOLD SYSTEM FOR ENERGY TRANSFER

#2
20250297592
2025-09-25

SYSTEMS AND METHODS FOR ENERGY HARVEST

#3
20250257787
2025-08-14

MECHANICAL-ENERGY STORAGE UNIT AND ASSEMBLY FIXTURE

#4
20250243923
2025-07-31

STACKING FLYWHEEL AND LINKAGE

#5
20250052223
2025-02-13

Self Driven Electric Generating Apparatus

#6
20240426273
2024-12-26

DYNAMIC VIBRATION ABSORBER

#7
20240388164
2024-11-21

MECHANICAL-ENERGY STORAGE UNIT SYSTEM

#8
20240384777
2024-11-21

FLYWHEEL VACUUM ENCLOSURE AND ADJUSTMENT SYSTEM

#9
20240384776
2024-11-21

Stacking flywheel and linkage

#10
20240384708
2024-11-21

Mechanical-energy storage unit and assembly fixture

#11
20240309609
2024-09-19

ENERGY STORAGE DEVICE AND WORK MACHINE

#12
20240191700
2024-06-13

ELECTRIC GENERATOR

#13
20240183341
2024-06-06

GRAVITY MOTOR AND ENERGY STORAGE DEVICE

#14
20240125295
2024-04-18

SYSTEMS AND METHODS FOR ENERGY HARVEST

#15
20240117793
2024-04-11

Mass displacement energy storage and electricity generator

#16
20240102441
2024-03-28

Power generation and/or storage apparatus

#17
20230392587
2023-12-07

ELECTRICAL GENERATORS FOR RAILWAYS

#18
20230268768
2023-08-24

ELECTRICITY GENERATION SYSTEM COMPRISING A WATER TURBINE WITH IMPROVED DYNAMIC RESPONSE

#19
20230213017
2023-07-06

Oscillating device for generating electricity and method for adjusting oscillating devices

#20
20220364547
2022-11-17

VARIABLE MOMENT FLYWHEEL

#21
20220314829
2022-10-06

Renewable and Environment Friendly Wind Powered Vehicle System

#22
20220106938
2022-04-07

Variable Moment Flywheel

#23
20220074416
2022-03-10

Fluid Flow Power Delivery System

#24
20210123415
2021-04-29

Blade vibration suppression system for a wind turbine and associated method

#25
20210123412
2021-04-29

WIND-BASED ELECTRICAL POWER GENERATION SYSTEM

#26
20210033068
2021-02-04

Recessed-magnet flywheel construction for vertical axis wind turbines

#27
20210010459
2021-01-14

Rotational movement assisting device

#28
20200200143
2020-06-25

Vertical axis wind turbines

#29
20200132040
2020-04-30

Wave energy capture device and energy storage system utilizing a variable mass, variable radius concentric ring flywheel

#30
20190140517
2019-05-09

Processor controlled energy harvester system

#31
20190136835
2019-05-09

WIND TURBINE DRIVETRAIN SYSTEM

#32
20180355837
2018-12-13

Systems and methods for energy harvest

#33
20180283347
2018-10-04

SYSTEM FOR CONVERTING KINETIC ENERGY OF OCEAN WAVES INTO ELECTRICAL ENERGY

#34
20180003156
2018-01-04

POWER PRODUCING WALLS

#35
20170373533
2017-12-28

Method for operating a wind farm

#36
20170138333
2017-05-18

MODULAR HYDROKINETIC MOTOR DEVICE AND METHOD

#37
20170009742
2017-01-12

Wind turbine

#38
20170009741
2017-01-12

Apparatus having a flywheel

#39
20160377047
2016-12-29

Device and method for converting wave motion energy into electric power

#40
20160369785
2016-12-22

SYSTEM AND METHOD FOR CONVERTING GRAVITATIONAL ENERGY INTO ROTATIONAL ENERGY AND MOVEMENTS

#41
20160360650
2016-12-08

Air-moving assemblies with flywheels

#42
20150159623
2015-06-11

Wave responsive electrical generator

#43
20140116198
2014-05-01

Inertial energy accumulating device

#44
20130285384
2013-10-31

Hydrokinetic electrical generating device

#45
20130285377
2013-10-31

Method and system for harnessing wind energy using a tethered airfoil

#46
20130082465
2013-04-04

Wave responsive electrical generator

#47
20130069369
2013-03-21

Renewable energy extraction device

#48
20120186244
2012-07-26

Wave energy extraction and accumulation system

#49
20120153631
2012-06-21

Windmill for wind power generator and wind power generator

#50
20120133148
2012-05-31

Wind turbine with compensated motor torque

#51
20120121414
2012-05-17

Flow driven engine

#52
20120121380
2012-05-17

KINETIC ENERGY TRANSFORMING MODULE

#53
20110273134
2011-11-10

IMPELLER DEVICE AND AUTOMATIC-SWITCHING REGENERATIVE CHARGING SYSTEM BETWEEN KINETIC ENERGY AND WIND ENERGY

#54
20110254275
2011-10-20

Portable wave-swash and coastal-wind energy harvester

#55
18764696
2025-02-25

Floating power generation system

#56
15675150
2018-05-01

System for wave amplifying, wave energy harnessing, and energy storage