Patents-Review.com
ClassID:

201454 ⎘

H01F7/0226 - CPC Classification

Classification description:

Magnets; Permanent magnets [PM]; Magnetic circuits with PM in general PM with variable field strength

Recent Application in this class:
#1
20250316429
2025-10-09

VARIABLE FIELD MAGNETIC COUPLERS AND METHODS FOR ENGAGING A FERROMAGNETIC WORKPIECE

 #2
20250299860
2025-09-25

Magnetic Attraction Fixing Device with Adjustable Magnetic Attraction Distance

 #3
20250256369
2025-08-14

MAGNETIC CHUCK

 #4
20250138117
2025-05-01

MECHANICAL GRADIENT MAGNETIC FIELD GENERATOR

 #5
20240423653
2024-12-26

MAGNETIC-BASED SYSTEMS AND METHODS FOR MANIPULATION OF MAGNETIC PARTICLES

 #6
20240395485
2024-11-28

Variable field magnetic couplers and methods for engaging a ferromagnetic workpiece

 #7
20240296983
2024-09-05

System for generating a magnetic field

 #8
20240274340
2024-08-15

MAGNET FOR A SURFACE PERMANENT MAGNET MACHINE

 #9
20240035992
2024-02-01

System and method for characterizing bioreactor fluids

 #10
20230343530
2023-10-26

Variable field magnetic couplers and methods for engaging a ferromagnetic workpiece

 #11
20230010989
2023-01-12

PERMANENT MAGNET FOR A PERMANENT MAGNET MACHINE

 #12
20220204189
2022-06-30

SPACECRAFT RADIATION SHIELD SYSTEM

 #13
20220003700
2022-01-06

System and method for characterizing bioreactor fluids

 #14
20210335529
2021-10-28

Magnetic flux path control device

 #15
20210210296
2021-07-08

Variable field magnetic couplers and methods for engaging a ferromagnetic workpiece

 #16
20210183553
2021-06-17

Axisymmetric electropermanent magnets

 #17
20210151232
2021-05-20

System for generating a magnetic field

 #18
20210093339
2021-04-01

IRON OXIDE MAGNETIC PARTICLE COMPOSITIONS AND METHODS OF SYNTHESIZING SAME

 #19
20200392758
2020-12-17

Actuator comprising electro permanent magnet and method

 #20
20200284740
2020-09-10

System and method for characterizing bioreactor fluids

 #21
20200145000
2020-05-07

Systems and methods for indicating real time availability of key assemblies for user input to an information handling system

 #22
20190333670
2019-10-31

Axisymmetric electropermanent magnets

 #23
20190170672
2019-06-06

System and method for characterizing bioreactor fluids

 #24
20190156979
2019-05-23

PERMANENT MAGNET FOR A PERMANENT MAGNET MACHINE

 #25
20190088392
2019-03-21

Permanent magnet for a permanent magnet machine

 #26
20190013132
2019-01-10

System for generating a magnetic field

 #27
20180350205
2018-12-06

Haptic enabled user interface device incorporating electropermanent magnet

 #28
20180315563
2018-11-01

Variable field magnetic couplers and methods for engaging a ferromagnetic workpiece

 #29
20180221041
2018-08-09

Detection of fluidic current generated by rotating magnetic particles

 #30
20180219552
2018-08-02

Retractable and/or variable depression force key assemblies and methods for using the same

 #31
20180182523
2018-06-28

Polarity-switching magnet diode

 #32
20180160758
2018-06-14

Cut-changing clothing based on adjustable stitching

 #33
20180075958
2018-03-15

PERMANENT MAGNETIC CHUCK FOR OLED MASK CHUCKING

 #34
20170011876
2017-01-12

Magnet and actuator

 #35
20170011832
2017-01-12

Magnet and method for handling metal sheets

 #36
20170011831
2017-01-12

Magnet

 #37
20170002445
2017-01-05

Permanent magnet, and motor and generator using the same

 #38
20150348812
2015-12-03

Permanent magnetic chuck for OLED mask chucking

 #39
20150270040
2015-09-24

Permanent magnet, motor, and generator

 #40
20150230810
2015-08-20

Magnetic-based systems and methods for manipulation of magnetic particles

 #41
20150035632
2015-02-05

Clamp assembly including permanent magnets and coils for selectively magnetizing and demagnetizing the magnets

 #42
20140218146
2014-08-07

SYSTEM FOR CONTROLLING MAGNETIC FLUX OF A MULTI-POLE MAGNETIC STRUCTURE

 #43
20140035517
2014-02-06

Systems involving magnetic attachment for portable electronic devices and related methods

 #44
20130285399
2013-10-31

Clamp assembly including permanent magnets and coils for selectively magnetizing and demagnetizing the magnets

 #45
20130271249
2013-10-17

Magnetic body

 #46
20130055551
2013-03-07

Attaching device, attaching arrangement and method for attaching an object to be worked to a working base

 #47
20120085606
2012-04-12

Damper device for a two-wheeled vehicle

 #48
20110285488
2011-11-24

Magnetic throttling and control: magnetic control

 #49
20110234212
2011-09-29

MAGNETIC FLUX LEAKAGE INSPECTION DEVICE

 #50
20110131770
2011-06-09

Mechanical/magnetic connecting structure

 #51
20100237970
2010-09-23

Magnetic locking system

 #52
20100231337
2010-09-16

Electronic device

 #53
20070013468
2007-01-18

Means to increase or decrease magnetic strength in permanent magnetic clamping devices

 #54
20060279390
2006-12-14

Magnetic pick-up tool

 #55
20050012579
2005-01-20

Switchable permanent magnetic device

 #56
15372125
2017-10-10

Lift fan position lock mechanism