ClassID:

217590

H02K33/12 - CPC Classification

Classification description:

Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with armatures moving in alternate directions by alternate energisation of two coil systems

Sub-classes:
Recent Application in this class:
#1
20260018981
2026-01-15

ELECTROMAGNETIC DEVICE

#2
20250332612
2025-10-30

VIBRATION ACTUATOR AND ELECTRONIC APPARATUS

#3
20250242486
2025-07-31

METHOD FOR OPERATING A MACHINE WITH A LINEAR MOTOR

#4
20250017710
2025-01-16

BIDIRECTIONAL MAGNETIC LEVITATION BRUSH MOTOR DEVICE

#5
20250007377
2025-01-02

LINEAR ROTARY MOTOR

#6
20250006422
2025-01-02

Power coil and magnetic field difference engine

#7
20240305181
2024-09-12

VIBRATION ACTUATOR AND ELECTRONIC DEVICE

#8
20240235355
2024-07-11

BUTTON MECHANISM

#9
20240204640
2024-06-20

MULTI-DIRECTIONAL VIBRATION MOTOR

#10
20240136905
2024-04-25

BUTTON MECHANISM

#11
20240055968
2024-02-15

Electrodynamic Actuator and Electrodynamic Excitation Device

#12
20240030795
2024-01-25

INDUCTION RECIPROCATING LINEAR MOTOR DEVICE

#13
20230283156
2023-09-07

Rotary reciprocating drive actuator with movable body and drive unit and wall with position sensor

#14
20230275496
2023-08-31

VIBRATION GENERATING DEVICE

#15
20230096114
2023-03-30

ROTARY RECIPROCATING DRIVE ACTUATOR

#16
20230027749
2023-01-26

Working tool

#17
20230018365
2023-01-19

Transducer apparatus having magnetic flux generators with pole pieces, reciprocators and closing pieces for channeling magnetic flux

#18
20230011145
2023-01-12

Working tool

#19
20230007855
2023-01-12

Working tool

#20
20230007390
2023-01-05

Vibration exciter for electronic product and electronic product

#21
20230006526
2023-01-05

Rotary reciprocating driving actuator

#22
20230006525
2023-01-05

VIBRATION ACTUATOR AND ELECTRIC APPARATUS

#23
20230001555
2023-01-05

WORKING TOOL

#24
20220345019
2022-10-27

Vibration motor and haptic device

#25
20220320986
2022-10-06

BAYALIEV UNIVERSAL GENERATOR/MOTOR

#26
20220173647
2022-06-02

Electrodynamic actuator and electrodynamic excitation device

#27
20220151755
2022-05-19

Flexible spring and motor assembly

#28
20220043255
2022-02-10

Rotary reciprocating drive actuator

#29
20220042502
2022-02-10

PISTON COMPRESSOR AND METHOD IN WHICH SUCH A PISTON COMPRESSOR IS USED

#30
20210408885
2021-12-30

Haptic actuator including a field member having an opening receiving a stator therein and related methods

#31
20210399617
2021-12-23

Electromagnetic drive device and operation device

#32
20210367477
2021-11-25

High force rotary actuator

#33
20210194342
2021-06-24

Actuator with two magnetic drive circuits to vibrate a body in two directions

#34
20210184554
2021-06-17

Rotary reciprocating drive actuator having magnets and coils, capable of attaching a movable object

#35
20210184553
2021-06-17

Vibrating actuator with two resonant frequencies and two moving parts

#36
20210143720
2021-05-13

Optical element driving mechanism

#37
20210143718
2021-05-13

Vibration module

#38
20210116716
2021-04-22

Reflecting module for OIS and camera module including the same

#39
20210104943
2021-04-08

Actuator

#40
20210099062
2021-04-01

Gap-closing actuator having a double-wound driving coil

#41
20210080744
2021-03-18

Reflecting module for OIS and camera module including the same

#42
20210057976
2021-02-25

VIBRATION MOTOR

#43
20200412222
2020-12-31

Haptic actuator having a double-wound driving coil for temperature-independent velocity sensing

#44
20200389078
2020-12-10

Vibration actuator and electronic device with vent hole

#45
20200350810
2020-11-05

Linear vibration actuator motor

#46
20200341290
2020-10-29

Mirror tilt actuation

#47
20200340465
2020-10-29

Mass shifting mechanism between twin equilibrium points, and electro-pump or electro-valve having such shifting mechanism

#48
20200318275
2020-10-08

Linear actuator and tufting machine using the same

#49
20200295647
2020-09-17

Sound vibration actuator with three vibration assemblies and different frequencies

#50
20200271892
2020-08-27

Optical element driving mechanism

#51
20200251972
2020-08-06

ELECTRICAL PUMP DRIVE FOR A POSITIVE DISPLACEMENT PUMP, POSITIVE DISPLACEMENT PUMP AND METHOD THEREFOR

#52
20200169154
2020-05-28

Coil-oscillator vibration unit for rail workhead

#53
20200059147
2020-02-20

Actuator

#54
20200052565
2020-02-13

Linear motor

#55
20200044542
2020-02-06

LINEAR VIBRATION MOTOR AND ELECTRONIC DEVICE

#56
20200044538
2020-02-06

Linear vibration motor

#57
20200044537
2020-02-06

VIBRATION MOTOR

#58
20200044536
2020-02-06

Vibration motor

#59
20200044535
2020-02-06

Vibration motor

#60
20200044534
2020-02-06

Vibration motor

#61
20200044533
2020-02-06

Vibration motor

#62
20200044532
2020-02-06

LINEAR VIBRATION MOTOR

#63
20200020472
2020-01-16

Linear actuator for valve control and operating systems and methods

#64
20190391463
2019-12-26

Shutter device, method of controlling same, photolithography machine, and method of controlling exposure dose thereof

#65
20190361260
2019-11-28

Reflecting module for OIS and camera module including the same

#66
20190356208
2019-11-21

Linear vibration motor and electronic device

#67
20190341837
2019-11-07

Electrodynamic actuator and electrodynamic excitation device with movable part support mechanism and fixed part support mechanism

#68
20190338989
2019-11-07

Linear Actuation System Having Face Coils and Side Coils for Armature Travel Assist

#69
20190314860
2019-10-17

LINEAR VIBRATION MOTOR

#70
20190311588
2019-10-10

Haptic actuator having movable bodies along an arcuate path of travel and related methods

#71
20190308306
2019-10-10

Coil spacing

#72
20190305658
2019-10-03

Actuator

#73
20190296606
2019-09-26

High force rotary actuator

#74
20190264587
2019-08-29

Highly efficient linear motor

#75
20190238042
2019-08-01

Actuator

#76
20190238041
2019-08-01

Actuator

#77
20190238040
2019-08-01

ACTUATOR

#78
20190238039
2019-08-01

Actuator and method of producing actuator

#79
20190181740
2019-06-13

Laminated linear motor stator core

#80
20190157958
2019-05-23

Linear vibration motor

#81
20190146238
2019-05-16

Mirror tilt actuation

#82
20190140533
2019-05-09

Electric toothbrush and its drive motor

#83
20190107312
2019-04-11

Linear compressor with heat shield between discharge cover and frame

#84
20190068038
2019-02-28

Sound production device

#85
20180336985
2018-11-22

Vibration generation device and input device with vibration mechanism

#86
20180309353
2018-10-25

Coil-oscillator vibration unit for rail workhead

#87
20180297069
2018-10-18

Vibration motor

#88
20180297067
2018-10-18

Linear vibration motor

#89
20180278136
2018-09-27

Linear vibration motor

#90
20180248458
2018-08-30

VIBRATING MOTOR

#91
20180234771
2018-08-16

Loudspeaker unit

#92
20180231793
2018-08-16

Reflecting module for OIS and camera module including the same

#93
20180226868
2018-08-09

Reciprocating electromagnetic actuator with flux-balanced armature and stationary cores

#94
20180223821
2018-08-09

Transverse flux type reciprocating motor and reciprocating compressor having a transverse flux type reciprocating motor

#95
20180159412
2018-06-07

Three degree-of-freedom electromagnetic machine control system and method

#96
20180129066
2018-05-10

Optical unit with shake correction function and having a rolling support mechanism

#97
20180123437
2018-05-03

Electromagnetic haptic actuator with high definition capability

#98
20180111163
2018-04-26

Linear vibration motor

#99
20180038363
2018-02-08

DOUBLE DIAPHRAGM PUMPS WITH AN ELECTROMAGNETIC DRIVE

#100
20180003224
2018-01-04

Motor system and compressor equipped therewith

#101
20170363881
2017-12-21

Gimbal adjustment system

#102
20170329111
2017-11-16

Camera system

#103
20170324303
2017-11-09

Method and apparatus for radial electromagnetic power arrays

#104
20170241334
2017-08-24

INTEGRATED LINEAR PARALLEL HYBRID ENGINE

#105
20170227785
2017-08-10

Mirror tilt actuation

#106
20170227784
2017-08-10

ELECTROMAGNETIC DRIVING MODULE AND LENS DRIVING DEVICE USING THE SAME

#107
20170194849
2017-07-06

DUAL OSCILLATING MOTOR AND VIBRATION REDUCTION METHODS IN A PERSONAL CARE APPLIANCE

#108
20170194848
2017-07-06

DUAL OSCILLATING MOTOR FOR A PERSONAL CARE APPLIANCE

#109
20170098975
2017-04-06

High force rotary actuator

#110
20170096988
2017-04-06

Fuel pump

#111
20170083093
2017-03-23

Haptic actuator including slidably coupled masses and related methods

#112
20170047835
2017-02-16

Actuator, air pump, beauty treatment device, and laser scanning device

#113
20170033663
2017-02-02

Vibration motor

#114
20170025940
2017-01-26

Electromechanical transducer apparatus for converting between mechanical energy and electrical energy

#115
20170019012
2017-01-19

Coil-oscillator vibration unit for rail workhead

#116
20170012518
2017-01-12

Vibration motor

#117
20170012517
2017-01-12

Vibration motor

#118
20160352168
2016-12-01

Linear electromagnetic actuator comprising two independent moving members

#119
20160254736
2016-09-01

Fast-response horizontal vibration micro motor

#120
20160181904
2016-06-23

Linear vibrator

#121
20160181903
2016-06-23

Linear vibrator

#122
20160181902
2016-06-23

Linear vibrator

#123
20160181901
2016-06-23

Electric appliance for personal care

#124
20160181900
2016-06-23

Linear vibrator

#125
20160178266
2016-06-23

Electronically commutated fan motors and systems

#126
20160178227
2016-06-23

Electronically commutated fan motors and systems

#127
20160176059
2016-06-23

Electric appliance for personal care

#128
20160141938
2016-05-19

Winding cooling structure of shaft motor

#129
20160118860
2016-04-28

Sliding mechanism and machining device using the same

#130
20160049848
2016-02-18

Linear reluctance motor device and engine apparatus

#131
20160036309
2016-02-04

Laminated linear motor stator core

#132
20160017873
2016-01-21

Linear compressor and linear motor for a linear compressor

#133
20160013711
2016-01-14

Reciprocating electric motor

#134
20160006331
2016-01-07

Linear compressor and linear motor

#135
20150340939
2015-11-26

Position controlled electrodynamic linear motor

#136
20150280537
2015-10-01

Linear actuator

#137
20150270764
2015-09-24

Oscillating type actuator having sufficient holding force without electric current

#138
20150224560
2015-08-13

Synthetic jet ejector and design thereof to facilitate mass production

#139
20150151419
2015-06-04

Control method for a machine tool and a machine tool

#140
20150125323
2015-05-07

Free piston linear motor compressor and associated systems of operation

#141
20150091479
2015-04-02

Electric Vehicle Propulsion System Using Magnetic Piston Engine

#142
20150091395
2015-04-02

Electro-mechanical Reciprocating Magnetic Piston Engine

#143
20150001852
2015-01-01

Linear electrical machine/generator with segmented stator for free piston engine generator

#144
20140339927
2014-11-20

High force rotary actuator

#145
20140265644
2014-09-18

Electromagnetic actuators and component designs therefor

#146
20140203669
2014-07-24

Compact positioning assembly comprising an actuator and a sensor built into the yoke of the actuator

#147
20140161650
2014-06-12

Linear drive and piston pump arrangement

#148
20140132091
2014-05-15

MEMS device

#149
20140092535
2014-04-03

Sliding mechanism and electronic apparatus having same

#150
20140077628
2014-03-20

Vibration generator

#151
20140042832
2014-02-13

SALIENT-POLE TYPE LINEAR MOTOR AND RECIPROCAL DOUBLE PISTON COMPRESSOR WITH SALIENT-POLE TYPE LINEAR MOTOR

#152
20130334902
2013-12-19

Inchworm actuator

#153
20130333911
2013-12-19

Power tool with magneto-pneumatic striking mechanism

#154
20130193779
2013-08-01

Vibration generator moving vibrator by magnetic field generated by coil and holder used in vibration-generator

#155
20130169071
2013-07-04

OSCILLATING ACTUATOR

#156
20130009492
2013-01-10

DRIVE DEVICE, AND MOVEMENT MECHANISM USING DRIVE DEVICE

#157
20120302946
2012-11-29

Microfabicated electromagnetic actuator with push-pull motion

#158
20110254389
2011-10-20

High force rotary actuator

#159
20110239383
2011-10-06

Linear actuator

#160
20110210627
2011-09-01

Electromagnetic step-by-step wobble-type micromotor

#161
20110198056
2011-08-18

Synthetic jet ejector and design thereof to facilitate mass production

#162
20110068638
2011-03-24

Magnetic Power Supply Engine

#163
20110058964
2011-03-10

Linear motor and reciprocating compressor employing the same

#164
20100301686
2010-12-02

Three-stable oscillating electromagnetic actuator

#165
20100291812
2010-11-18

Differential displacement device under simultaneous and repetitive electromagnetic repulsive forces

#166
20100244590
2010-09-30

Electromagnetic propulsion system

#167
20090091196
2009-04-09

Magnetic Power Supply Engine

#168
20090072637
2009-03-19

AIRFLOW GENERATOR

#169
20090066168
2009-03-12

Vertical actuator having a gravity compensation device

#170
20080180771
2008-07-31

Oscillator device and image forming apparatus using the same

#171
20080157608
2008-07-03

Electric Oscillatory Machine

#172
20070132320
2007-06-14

Positioning apparatus and charged-particle-beam exposure apparatus

#173
20060287568
2006-12-21

Single sac ventricular assist device

#174
20060049701
2006-03-09

Linear actuator

#175
20060017333
2006-01-26

Optical scanner

#176
20050168092
2005-08-04

Swing motor

#177
20050099084
2005-05-12

Armature for an actuator

#178
20050052270
2005-03-10

Torque motor

#179
20050052269
2005-03-10

Torque motor

#180
20050029874
2005-02-10

Electromechanical transducer linear compressor and radio transmission antenna

#181
19081100
2025-07-01

Linear motor for small home appliances

#182
18297362
2025-01-28

Linearized pull-pull electromagnetic actuators, systems, and methods

#183
17142656
2023-06-20

Linearized pull-pull electromagnetic actuators, systems, and methods

#184
15785805
2019-03-19

Magnetic spring assembly for mass dampers

#185
15251332
2017-07-25

Tactile feedback actuator, electronic device using same, and method of operating same