ClassID:

144544

F05B2220/709 - CPC Classification

Classification description:

Application in combination with Piezoelectric means

Recent Application in this class:
#1
20250382945
2025-12-18

AIRFOIL SEPARATION FLUTTER FOR WIND ENERGY HARVESTING OR FLIGHT CONTROL

#2
20250297592
2025-09-25

SYSTEMS AND METHODS FOR ENERGY HARVEST

#3
20240401558
2024-12-05

Utilizing hydrostatic and hydraulic pressure to generate energy, and associated systems, devices, and methods

#4
20240240606
2024-07-18

Utilizing hydrostatic and hydraulic pressure to generate energy, and associated systems, devices, and methods

#5
20240240605
2024-07-18

UTILIZING HYDROSTATIC AND HYDRAULIC PRESSURE TO GENERATE ENERGY, AND ASSOCIATED SYSTEMS, DEVICES, AND METHODS

#6
20240200532
2024-06-20

CONTROL SYSTEM FOR WIND ENERGY HARVESTER ARRAYS

#7
20240178767
2024-05-30

Dual-rotor microfluidic energy capturing and power generating device based on piezoelectric effect

#8
20240125295
2024-04-18

SYSTEMS AND METHODS FOR ENERGY HARVEST

#9
20240110543
2024-04-04

WIND TURBINE ROTOR BLADE

#10
20230391203
2023-12-07

Apparatus for harvesting electrical energy from air flow in a moving vehicle using piezoelectric flag sheets in a Venturi system

#11
20230349355
2023-11-02

A device for generating energy from variable hydrostatic pressure

#12
20230101355
2023-03-30

Wind turbine and triboelectric sheet based energy harvesting system for moving vehicle

#13
20220200488
2022-06-23

Hitting-electric device and hitting-electric generation device using the same

#14
20210087761
2021-03-25

Self-powered delineator including lighting-emitter

#15
20190257282
2019-08-22

Modular hydro-kinetic power source

#16
20190238068
2019-08-01

Nanofriction power generation device with spiral vibrating balls and buoy body thereof

#17
20190063421
2019-02-28

Actuating and sensing module

#18
20180355837
2018-12-13

Systems and methods for energy harvest

#19
20180320656
2018-11-08

Wind Funneling Device for Energy Production

#20
20180195492
2018-07-12

Device for Generating Energy and Method for Use of the Device

#21
20180030954
2018-02-01

Floating piezoelectric assembly for generating energy from waves

#22
20170207730
2017-07-20

Wind power generation device

#23
20170191463
2017-07-06

Power generating system using current around structural body

#24
20160265508
2016-09-15

Wind turbine blade

#25
20160149518
2016-05-26

Robust triboelectric nanogenerator based on rolling electrification

#26
20160040648
2016-02-11

System for harvesting water wave energy

#27
20150372619
2015-12-24

Floating off-shore power generation apparatus using ionic polymeric metal composite

#28
20150322918
2015-11-12

Piezoelectric-based wind turbine

#29
20150256107
2015-09-10

Piezoelectric element for power generation and power generation device using same

#30
20150214862
2015-07-30

Dielectric elastomer powered boat and electricity generator and associated method

#31
20150115775
2015-04-30

Piezoelectric power generator using wind power

#32
20150107237
2015-04-23

Hydraulic engine including hydraulic power unit

#33
20140375063
2014-12-25

Fluid flow energy converter

#34
20140077501
2014-03-20

Fluid flow energy converter

#35
20140042751
2014-02-13

Apparatus for creating electricity from pressure fluctuations in pipes

#36
20140015378
2014-01-16

Ribbon transducer and pump apparatuses, methods and systems

#37
20130140943
2013-06-06

Linear dual EAP generator

#38
20120268083
2012-10-25

Method for underwater environmental energy transfer with a long lead zirconate titanate transducer

#39
20120248779
2012-10-04

Water current power generating device

#40
20120175880
2012-07-12

Mechanisms for creating undulating motion, such as for propulsion, and for harnessing the energy of moving fluid

#41
20120169055
2012-07-05

NOVEL ELECTRICAL GENERATORS FOR USE IN UNMOORED BUOYS AND THE LIKE PLATFORMS WITH LOW-FREQUENCY AND TIME-VARYING OSCILLATORY MOTIONS

#42
20120093651
2012-04-19

WIND TURBINE BLADE HAVING A HINGED CONNECTION APPARATUS PROVIDING ELECTRICAL PROTECTION

#43
20120070284
2012-03-22

HINGE APPARATUS FOR CONNECTING FIRST AND SECOND WIND TURBINE BLADE COMPONENTS COMPRISING A ROTARY ACTUATOR

#44
20110280723
2011-11-17

DE-ICING AND/OR ANTI-ICING OF A WIND TURBINE COMPONENT BY VIBRATING A PIEZOELECTRIC MATERIAL

#45
20110268570
2011-11-03

System and method for controlling wind turbine blades

#46
20110254282
2011-10-20

WIND TURBINE TOWER MONITORING DEVICE

#47
20110142628
2011-06-16

Wind turbine blades with controllable aerodynamic vortex elements

#48
20100164231
2010-07-01

Aerodynamic vibration power-generation device

#49
20100158688
2010-06-24

Aerodynamic device for detection of wind turbine blade operation

#50
20100126115
2010-05-27

Wind Turbine Tower Monitoring Device

#51
20100078941
2010-04-01

Pliant or compliant elements for harnessing the forces of moving fluid to transport fluid or generate electricity

#52
20100052324
2010-03-04

Piezoelectric windmill apparatus

#53
20100004878
2010-01-07

WIND TURBINE MONITORING

#54
20090185905
2009-07-23

RETURN AND LIMITED MOTION IN ENERGY CAPTURE DEVICES

#55
20090015103
2009-01-15

Electrical generators for use in unmoored buoys and the like platforms with low-frequency and time-varying oscillatory motions

#56
20080295518
2008-12-04

Airfoil acoustic impedance control

#57
20070253818
2007-11-01

Method for operating a wind power plant

#58
20070128025
2007-06-07

Wind blade assembly and method for damping load or strain

#59
20070108770
2007-05-17

Rotor for a wind energy turbine

#60
18794246
2025-09-02

Renewable hybrid turbine system with piezoelectric and solar integration

#61
18153966
2023-09-05

Utilizing hydrostatic and hydraulic pressure to generate energy, and associated systems, devices, and methods

#62
16397477
2020-01-07

Generation of electric power using wave motion, wind energy and solar energy

#63
16251329
2019-11-26

Methods for creating an undulating structure