ClassID:

218109

H02N2/188 - CPC Classification

Classification description:

Electric machines in general using piezo-electric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators; Vibration harvesters adapted for resonant operation

Recent Application in this class:
#1
20260058580
2026-02-26

CYMBAL MICROMEMBRANE-BASED ENERGY HARVESTING IN ACOUSTIC METASURFACES

#2
20250070689
2025-02-27

MAXIMIZING PIEZOELECTRIC POWER GENERATION USING ACOUSTIC RESONANCE

#3
20250062703
2025-02-20

POWER GENERATING APPARATUS WITH IMPROVED EFFICIENCY USING RESONANCE

#4
20250011157
2025-01-09

MICROMECHANICAL COMPONENT AND METHOD FOR PRODUCING SAME

#5
20240337556
2024-10-10

INTEGRATED BROADBAND ENERGY COLLECTING AND SENSING DEVICE FOR ROD-CABLE STRUCTURE

#6
20240297599
2024-09-05

Resonance-Tracking Broadband Energy Harvester

#7
20240250622
2024-07-25

HARVESTING ENERGY FOR A SMART RING VIA PIEZOELECTRIC CHARGING

#8
20240106357
2024-03-28

Vibration-Driven Energy Harvesting Element and Method for Manufacturing the Same

#9
20240084674
2024-03-14

DEVICES, SYSTEMS, AND METHODS FOR DOWNHOLE POWER GENERATION

#10
20240072688
2024-02-29

AIRCRAFT ARRANGEMENT

#11
20240050745
2024-02-15

MEMS-BASED COCHLEAR IMPLANT

#12
20240022186
2024-01-18

PIEZOELECTRIC DEVICE COMPRISING FLEXIBLE SINGLE CRYSTALLINE PIEZOELECTRIC LINBO3 AND/OR LITAO3 FILMS INTEGRATED ON FLEXIBLE SUBSTRATE AND METHODS FOR PRODUCING THE SAME

#13
20240017079
2024-01-18

IMPLANTABLE WIRELESS ACOUSTIC STIMULATORS WITH HIGH ENERGY CONVERSION EFFICIENCIES

#14
20230421077
2023-12-28

System for Converting Vibrations, in Particular Sound Vibrations into Usable Electric Energy

#15
20230361695
2023-11-09

VIBRATION POWER GENERATION DEVICE AND SENSOR MODULE

#16
20230223872
2023-07-13

Harvesting energy for a smart ring via piezoelectric charging

#17
20230155523
2023-05-18

Piezo-Elements for Wearable Devices

#18
20230146997
2023-05-11

DEPLOYABLE WAVE ENERGY HARVESTING DEVICE FOR AUTONOMOUS UNDERWATER VEHICLES (AUVs)

#19
20230098623
2023-03-30

Vibrational Energy Harvester Element

#20
20230072436
2023-03-09

Harvesting energy for a smart ring via piezoelectric charging

#21
20230070841
2023-03-09

Cantilever For A Piezoelectric Energy Harvesting System

#22
20230061434
2023-03-02

Energy harvesting module with compact-construction piezoelectric transducer, in particular for powering a leadless autonomous cardiaccapsule

#23
20220360198
2022-11-10

Electromagnetic vibration and energy harvester having vibrating body, magnets and stationary magnet and hinge

#24
20220337178
2022-10-20

High Voltage Energy Harvesting and Sensing with 3D Spiral Design

#25
20220193425
2022-06-23

ACCESSORY FOR TRANSPORTATION AND STORAGE OF AN AUTONOMOUS CARDIAC IMPLANT OF THE LEADLESS CAPSULE TYPE

#26
20220131482
2022-04-28

Piezo-Elements for Wearable Devices

#27
20220109385
2022-04-07

HYBRID ENERGY HARVESTING UNIT AND USE THEREOF

#28
20220014120
2022-01-13

Piezo-Elements for Wearable Devices

#29
20210408945
2021-12-30

Piezoelectric transducer-based energy harvesting module, in particular for optimized charging of the battery of an implantable medical device such as a leadless autonomous cardiac capsule

#30
20210399657
2021-12-23

Device for recovering or damping the vibratory energy of a resonant mechanical element

#31
20210336561
2021-10-28

Self-resonance tuning piezoelectric energy with broadband frequency

#32
20210328525
2021-10-21

Vortex-induced vibration wind energy harvesting device

#33
20210242809
2021-08-05

MAGNETOSTRICTION ELEMENT AND MAGNETOSTRICTION-TYPE VIBRATION POWERED GENERATOR USING SAME

#34
20210159816
2021-05-27

Self-tuning piezoelectric vibration energy harvester

#35
20210146143
2021-05-20

Implantable wireless acoustic stimulators with high energy conversion efficiencies

#36
20210143759
2021-05-13

Systems and methods for harvesting vibration energy using a hybrid device

#37
20210135601
2021-05-06

Wideband piezoelectric vibratory MEMS harvester

#38
20210126558
2021-04-29

Vibrational energy harvesters with reduced wear

#39
20210119556
2021-04-22

Vibrational energy harvester element

#40
20210104655
2021-04-08

Sensing device

#41
20210083601
2021-03-18

DEVICE FOR CONVERTING MECHANICAL ENERGY INTO ELECTRICAL ENERGY OPERATING OVER AN EXTENDED RANGE OF VIBRATION FREQUENCIES

#42
20210067063
2021-03-04

Method and apparatus that provides power generated from external energy signal

#43
20210044221
2021-02-11

Energy Harvester for Harvesting Energy from Broadband Ambient Vibrations

#44
20200313575
2020-10-01

Funnel-shaped underwater energy harvesting equipment

#45
20200289830
2020-09-17

Piezoelectric energy harvester including a monitoring circuit for detecting harvester alteration or downgrading

#46
20200287479
2020-09-10

Self-powering wireless device and method

#47
20200286821
2020-09-10

On-die capacitor

#48
20200204089
2020-06-25

1D/2D hybrid piezoelectric nanogenerator and method for making same

#49
20200119662
2020-04-16

Vibration energy harvester

#50
20200076332
2020-03-05

Magnetostriction element and magnetostriction-type vibration powered generator using same

#51
20200076331
2020-03-05

Self-resonance tuning piezoelectric energy harvester with broadband operation frequency

#52
20190381325
2019-12-19

Autonomous cardiac implant of the leadless capsule type, including a piezoelectric beam energy harvester

#53
20190378968
2019-12-12

POWER GENERATION DEVICE

#54
20190356246
2019-11-21

VIBRATION POWERED GENERATOR

#55
20190341836
2019-11-07

Device for generating electrical power from low frequency oscillations

#56
20190280626
2019-09-12

Power generating element

#57
20190207536
2019-07-04

Circuit and method for energy recuperation

#58
20190199243
2019-06-27

Power generating element

#59
20190190405
2019-06-20

Power generating element

#60
20190189903
2019-06-20

Composite articles with dielectric layer

#61
20190189902
2019-06-20

Piezoelectric composite articles

#62
20190165699
2019-05-30

Energy harvesting system

#63
20190151667
2019-05-23

Implantable wireless accoustic stimulators with high energy conversion efficiencies

#64
20190115852
2019-04-18

Power generating element converting vibration energy into electric energy

#65
20190068087
2019-02-28

Power generating element

#66
20190044459
2019-02-07

Parametric resonator for electrical transduction

#67
20190028041
2019-01-24

Piezoelectric generator

#68
20190020290
2019-01-17

Energy-harvesting sensor system and method therefor

#69
20180375444
2018-12-27

BUILDING SYSTEM WITH VIBRATION BASED OCCUPANCY SENSORS

#70
20180367066
2018-12-20

Vibration energy harvesting using a base mounted piezoelectric transducer

#71
20180345026
2018-12-06

Implantable wireless accoustic stimulators with high energy conversion efficiencies

#72
20180316287
2018-11-01

Micro electromechanical system (MEMS) energy harvester with residual stress induced instability

#73
20180262130
2018-09-13

Power generating element

#74
20180234033
2018-08-16

Generator and method for converting vibrational energy into electrical energy

#75
20180198385
2018-07-12

Generator and method for converting vibrational energy into electrical energy

#76
20180198384
2018-07-12

Vibration-based energy harvester with strain optimised topology

#77
20180198383
2018-07-12

Piezoelectric transducer for an energy-harvesting system

#78
20180053890
2018-02-22

Magnetoelectric energy harvester and manufacturing method thereof

#79
20180053889
2018-02-22

Piezoelectric energy harvesting system from vehicle's tires

#80
20170373611
2017-12-28

Miniature kinetic energy harvester for generating electrical energy from mechanical vibrations

#81
20170366107
2017-12-21

MEMS device for harvesting sound energy and methods for fabricating same

#82
20170288415
2017-10-05

Power harvesting

#83
20170271922
2017-09-21

Apparatus and method of charging mobile terminal using energy harvesting device

#84
20170264215
2017-09-14

Energy sensing and harvesting cantilever

#85
20170257040
2017-09-07

Piezoelectric energy harvester system with composite shim

#86
20170250627
2017-08-31

POWER GENERATOR

#87
20170148592
2017-05-25

Very low power microelectromechanical devices for the internet of everything

#88
20170113875
2017-04-27

Energy-harvesting conveyor belts and methods

#89
20170093306
2017-03-30

Power generation element and actuator using structure of said power generation element

#90
20170093267
2017-03-30

Device for generating electrical power from low frequency oscillations

#91
20170084815
2017-03-23

Systems, devices, and methods for electric power generation from vocal folds vibrations

#92
20170077839
2017-03-16

Energy harvesting for leadless pacemakers

#93
20170019038
2017-01-19

Wireless signal transmitting apparatus and wireless illumination control apparatus using the same

#94
20160373032
2016-12-22

POWER GENERATOR

#95
20160356264
2016-12-08

Vortex resonance wind turbine

#96
20160310749
2016-10-27

Implantable wireless accoustic stimulators with high energy conversion efficiencies

#97
20160294308
2016-10-06

Piezoelectric energy harvester

#98
20160294302
2016-10-06

Energy harvesting device using SSHI techniques

#99
20160285393
2016-09-29

Generator and method for converting vibrational energy into electrical energy

#100
20160254437
2016-09-01

Bistable piezoelectric cantilever vibration energy generator based on spherical composite structure and partial separation of different layers

#101
20160211778
2016-07-21

Power generating element

#102
20160211439
2016-07-21

Multi-axis piezoelectric transducer

#103
20160197261
2016-07-07

Energy harvester

#104
20160173006
2016-06-16

Piezoelectric energy harvesting array and method of manufacturing the same

#105
20160164390
2016-06-09

Power generator, power generator set and power generation system

#106
20160156287
2016-06-02

HALF-TUBE ARRAY VIBRATION ENERGY HARVESTING METHOD USING PIEZOELECTRIC MATERIALS

#107
20160156284
2016-06-02

Power generating device

#108
20160141980
2016-05-19

PIEZOELECTRIC ENERGY HARVESTING AND SIGNAL PROCESSING SYSTEM, AND METHOD OF USE

#109
20160079886
2016-03-17

Vibration power generation device

#110
20160043663
2016-02-11

Vibration power generator, vibration monitoring device, and vibration monitoring system

#111
20150353352
2015-12-10

Method of manufacturing apparatus for harvesting and storing piezoelectric energy

#112
20150349667
2015-12-03

INTERNAL VIBRATION IMPULSED BROADBAND EXCITATION ENERGY HARVESTER SYSTEMS AND METHODS

#113
20150311826
2015-10-29

Piezoelectric energy harvester device with frequency offset vibrational harvesters

#114
20150303835
2015-10-22

Power-generating device with vibration plate that applies compressive stress to the piezoelectric layer when the vibration plate does not vibrate

#115
20150295520
2015-10-15

Power generator having a multiple-degree-of-freedom vibration system and a power generating element attached to the vibration system while converting vibration energy of a vibrating member to electrical energy

#116
20150288300
2015-10-08

Magnetostrictive vibration power generation device

#117
20150229243
2015-08-13

Device and Method For Tuning Mechanical and Electromagnetic Natural Frequencies of an Energy Harvester

#118
20150229242
2015-08-13

Device and method for harvesting energy

#119
20150221855
2015-08-06

Packaged piezoelectric energy harvester device with a compliant stopper structure, system, and methods of use and making

#120
20150188458
2015-07-02

Piezoelectric energy harvester device with a stopper structure, system, and methods of use and making

#121
20150180374
2015-06-25

Energy harvester

#122
20150145376
2015-05-28

Energy harvesting device and method for forming the same

#123
20150145375
2015-05-28

Piezoelectric power generation apparatus

#124
20150135869
2015-05-21

Energy-harvesting apparatus with plural mechanical amplifiers

#125
20150115769
2015-04-30

System for conversing thermal energy into electrical energy

#126
20150035409
2015-02-05

Piezoelectric transducer for an energy-harvesting system

#127
20150015114
2015-01-15

Piecewise piezoelectric energy harvester

#128
20140361662
2014-12-11

Apparatus and method for energy harvesting

#129
20140346925
2014-11-27

Power generation unit, secondary cell, and electronic apparatus

#130
20140327339
2014-11-06

Piezoelectric resonator including an adjusting magnet

#131
20140303688
2014-10-09

Energy harvesting cochlear implant

#132
20140265726
2014-09-18

Symmetric dual piezoelectric stack microelectromechanical piezoelectric cantilever energy harvester

#133
20140077662
2014-03-20

PIEZOELECTRIC APPARATUS FOR HARVESTING ENERGY FOR PORTABLE ELECTRONICS AND METHOD FOR MANUFACTURING SAME

#134
20140062256
2014-03-06

Piezoelectric device

#135
20140054262
2014-02-27

Method of manufacturing a piezoelectric micro energy harvester

#136
20140046420
2014-02-13

Implantable wireless accoustic stimulators with high energy conversion efficiencies

#137
20140035438
2014-02-06

Passive, Self-Tuning Energy Harvester for Extracting Energy From Rotational Motion

#138
20140021828
2014-01-23

Circuit for optimizing the recovery of vibratory energy by a mechanical/electrical converter

#139
20130342075
2013-12-26

Optimized device for converting mechanical energy into electrical energy

#140
20130341936
2013-12-26

Tunable vibration energy harvester and method

#141
20130328446
2013-12-12

Piezoelectric power generator

#142
20130320807
2013-12-05

Piezoelectric power generator

#143
20130320804
2013-12-05

Annular thermoacoustic energy converter

#144
20130313946
2013-11-28

Piezoelectric energy harvesting array and method of manufacturing the same

#145
20130234445
2013-09-12

Self-tuning energy harvester

#146
20130207520
2013-08-15

Power generator

#147
20130154439
2013-06-20

Energy harvesting devices and methods of fabricating the same

#148
20130127295
2013-05-23

PIEZOELECTRIC MICRO POWER GENERATOR AND FABRICATION METHOD THEREOF

#149
20130119826
2013-05-16

Vortex resonance wind turbine

#150
20130082572
2013-04-04

Power generation unit, electronic apparatus, transportation device, and method of controlling power generation unit

#151
20130082571
2013-04-04

Power generation unit, electronic apparatus, transportation device, battery, and method of controlling power generation unit

#152
20130082570
2013-04-04

Power generation unit, secondary cell, and electronic apparatus

#153
20130082569
2013-04-04

Power generation unit, electronic apparatus, transportation device, and method of controlling power generation unit

#154
20130049539
2013-02-28

Apparatus for harvesting and storing piezoelectric energy and manufacturing method thereof

#155
20130038175
2013-02-14

VIBRATION POWER GENERATION DEVICE

#156
20120326536
2012-12-27

Vibration energy harvesting apparatus

#157
20120298165
2012-11-29

Electric power generation device, electric power generation method, and electric power generation device manufacturing method

#158
20120293042
2012-11-22

Piezoelectric generator

#159
20120250456
2012-10-04

SYSTEMS AND METHODS FOR ENERGY HARVESTING IN A GEOPHYSICAL SURVEY STREAMER

#160
20120206016
2012-08-16

Piezoelectric micromechanical energy harvesters

#161
20120169064
2012-07-05

Systems and methods for harvesting vibrational energy from vehicles

#162
20120153778
2012-06-21

Piezoelectric micro energy harvester and manufacturing method thereof

#163
20120153773
2012-06-21

Piezoelectric energy harvesting apparatus

#164
20120119625
2012-05-17

Energy harvesting device

#165
20120091859
2012-04-19

Piezoelectric generator, sensor node, and method of manufacturing piezoelectric generator

#166
20120080981
2012-04-05

Piezoelectric power generator

#167
20120074812
2012-03-29

Piezoelectric power generator and wireless sensor network apparatus

#168
20120068576
2012-03-22

Energy harvesting electric device

#169
20120001518
2012-01-05

Mountable arm smart material actuator and energy harvesting apparatus

#170
20110304240
2011-12-15

HIGH EFFICIENCY PIEZOELECTRIC MICRO-GENERATOR AND ENERGY STORAGE SYSTEM

#171
20110210554
2011-09-01

High-efficiency MEMS micro-vibrational energy harvester and process for manufacturing same

#172
20110156533
2011-06-30

Energy converters and associated methods

#173
20110140579
2011-06-16

Active piezoelectric energy harvester with embedded variable capacitance layer and method of manufacturing the same

#174
20110074247
2011-03-31

Systems and Methods for Resonance Frequency Tuning of Micromachined Structures

#175
20110074245
2011-03-31

Acoustic power generator and method for manufacturing the same

#176
20110048133
2011-03-03

VIBRATION ELEMENT COUPLED WITH NON-LINEAR FORCE TO IMPROVE NON-RESONANT FREQUENCY RESPONSE

#177
20100295419
2010-11-25

Electric power device, electric power generation method, and production method of electric power device

#178
20100270889
2010-10-28

Piezo devices with air-spaced cantilever

#179
20100194240
2010-08-05

Piezoelectric composite with tapered beam

#180
20100176694
2010-07-15

PIEZOELECTRIC ENERGY CONVERTER HAVING A DOUBLE MEMBRANE

#181
20100164433
2010-07-01

Wireless Battery Charging Systems, Battery Systems and Charging Apparatus

#182
20100148519
2010-06-17

Energy harvesting device

#183
20100141096
2010-06-10

Piezoelectric composite beam with automatically adjustable natural frequency

#184
20100076714
2010-03-25

Maximum information capture from energy constrained sensor nodes

#185
20100072759
2010-03-25

Piezoelectric vibrational energy harvesting systems incorporating parametric bending mode energy harvesting

#186
20090284102
2009-11-19

System and method for resonance frequency tuning of resonant devices

#187
20090200896
2009-08-13

Energy converters and associated methods

#188
20090195222
2009-08-06

Adjustable resonance frequency vibration power harvester

#189
20090167110
2009-07-02

Broad band energy harvesting system and related methods

#190
20090085442
2009-04-02

Passive self-tuning resonator system

#191
20080174273
2008-07-24

Piezoelectric energy harvester

#192
20080129147
2008-06-05

Energy harvester with adjustable resonant frequency

#193
20080074002
2008-03-27

Piezoelectric energy harvester

#194
20070145861
2007-06-28

Human powered piezoelectric power generating device

#195
20070125176
2007-06-07

Energy harvesting device and methods

#196
20070114890
2007-05-24

Slotted beam piezoelectric composite

#197
17455833
2025-07-22

Microelectromechanical system resonators

#198
17340154
2024-10-29

Electric power generator for a projectile moving through the air

#199
16011964
2022-03-08

Shunting vibrational magnetic transmitter

#200
14872331
2017-03-07

Generator employing piezoelectric and resonating elements