ClassID:

201414

H01F1/445 - CPC Classification

Classification description:

Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids the magnetic component being a compound, e.g. FeO

Recent Application in this class:
#1
20250182940
2025-06-05

TEMPERATURE AND SALINITY TOLERANT MAGNETIC NANOFLUID, PREPARATION METHOD AND USE THEREOF

#2
20250054665
2025-02-13

Droplet Assembly Method

#3
20240317976
2024-09-26

MAGNETIC HYDROGEL WITH A TERNARY MAGNETIC COMPOSITE AND METHOD FOR FABRICATING THE SAME

#4
20240151291
2024-05-09

MAGNETO RHEOLOGICAL FLUID DEVICE

#5
20240025759
2024-01-25

MAGNETIC NANOPARTICLES FOR SAMPLE SEPARATION

#6
20240006104
2024-01-04

Low-temperature resistant perfluoropolyether-based magnetic liquid and preparation method thereof

#7
20230134927
2023-05-04

Iron oxide nanoparticle-based magnetic ink for additive manufacturing

#8
20230005647
2023-01-05

BIOCOMPATIBLE OILY FERROFLUID AND PREPARATION PROCESS

#9
20220351887
2022-11-03

FERROFLUID

#10
20220351886
2022-11-03

Stock solution

#11
20220169853
2022-06-02

Silicone composition and curable grease

#12
20210398721
2021-12-23

Magnetorheological fluid and device

#13
20210355972
2021-11-18

Wireless actuators

#14
20210327622
2021-10-21

Magnetic responsiveness composite material and composition including the composite material

#15
20210296033
2021-09-23

Droplet assembly method

#16
20210114021
2021-04-22

MAGNETICALLY ACTUATED SURFACES FOR DYNAMIC IRIDESCENCE

#17
20200234859
2020-07-23

OIL-BASED MAGNETIC INK

#18
20190259518
2019-08-22

Magnetic fluid

#19
20190259517
2019-08-22

IRON OXIDE NANOPARTICLE-BASED MAGNETIC INK FOR ADDITIVE MANUFACTURING

#20
20190242881
2019-08-08

3D cell viability assay

#21
20190237896
2019-08-01

IMPLEMENTING FERROFLUID POWER PLUG CURRENT INDICATOR

#22
20190214173
2019-07-11

AN APPARATUS FOR TRANSFERRING HEAT FROM A HEAT SOURCE TO A HEAT SINK

#23
20190153253
2019-05-23

Nanoparticles for printing magnetizable characters on a substrate

#24
20190096555
2019-03-28

Controlled liquid/solid mobility using external fields on lubricant-impregnated surfaces

#25
20180282177
2018-10-04

Iron oxyhydroxide nanodispersion liquid

#26
20170362454
2017-12-21

WATER BASED MAGNETIC INK CHARACTER RECOGNITION INK JET INK BASED ON DISPERSION OF FUNCTIONALIZED NANOPARTICULATE MAGNETIC FERRITE

#27
20170110228
2017-04-20

Acid-stabilized iron-based metal oxide colloidal nanoparticles, and methods thereof

#28
20170092316
2017-03-30

Metal oxide particle dispersion for manufacturing particulate magnetic recording medium, method of manufacturing magnetic layer-forming composition of particulate magnetic recording medium and method of manufacturing particulate magnetic recording medium

#29
20160326419
2016-11-10

THERMAL INTERFACE MATERIALS WITH ALLIGNED FILLERS

#30
20160280946
2016-09-29

Nanoparticle suspension for inkjet printing magnetizable characters on a substrate

#31
20160208120
2016-07-21

WATER BASED MAGNETIC INK CHARACTER RECOGNITION INK JET INK BASED ON DISPERSION OF FUNCTIONALIZED NANOPARTICULATE MAGNETIC FERRITE

#32
20160163437
2016-06-09

Molded product of magnetic powder composition comprising magnetic powder of surface-treated magnetite particles, and methods of producing thereof

#33
20160152778
2016-06-02

Magnetic resin compound, method for preparing the same, and use thereof

#34
20160064126
2016-03-03

Magnetic fluid

#35
20160024374
2016-01-28

FERROFLUIDS ABSORBED ON GRAPHENE/GRAPHENE OXIDE FOR EOR

#36
20150371776
2015-12-24

Ferrofluid-MWCNT hybrid nanocomposite in liquid state

#37
20150360232
2015-12-17

Extraction separation using magnetic beads

#38
20150270043
2015-09-24

Droplet assembly method

#39
20150228388
2015-08-13

Composite materials with magnetically aligned carbon nanoparticles and methods of preparation

#40
20150203895
2015-07-23

Spherical, magnetizable polyvinyl alcohol microparticles, methods for their production, and their use

#41
20150179321
2015-06-25

CONTROLLED LIQUID/SOLID MOBILITY USING EXTERNAL FIELDS ON LUBRICANT-IMPREGNATED SURFACES

#42
20150104844
2015-04-16

Materials for magnetizing cells and magnetic manipulation

#43
20150014572
2015-01-15

Magnetorheological fluid composition and method for forming the same

#44
20140360973
2014-12-11

Superparamagnetic colloids with enhanced charge stability for high quality magnetically tunable photonic structures

#45
20140110625
2014-04-24

Alignment of carbon nanotubes comprising magnetically sensitive metal oxides in nanofluids

#46
20130280754
2013-10-24

3D cell viability assay

#47
20130256583
2013-10-03

Stable iron oxide nanoparticles and method of production

#48
20130178691
2013-07-11

Electrically lossy magnetic liquid composition for controlled tissue heating

#49
20130130035
2013-05-23

Process for obtaining functionalized nanoparticulate magnetic ferrites for easy dispersion and magnetic ferrites obtained through the same

#50
20130062286
2013-03-14

METHOD FOR OBTAINING MATERIALS WITH SUPERPARAMAGNETIC PROPERTIES

#51
20120235080
2012-09-20

Alignment of carbon nanotubes comprising magnetically sensitive metal oxides in nanofluids

#52
20120234533
2012-09-20

Precision marking of subsurface locations

#53
20120225264
2012-09-06

Magnetic fluid suitable for high speed and high resolution dot-on-demand inkjet printing and method of making

#54
20120171744
2012-07-05

Materials for magnetizing cells and magnetic manipulation

#55
20120135080
2012-05-31

Core-shell magnetic particles and related methods

#56
20120074348
2012-03-29

High durability magnetorheological fluids

#57
20120061317
2012-03-15

Magnetic Pollen Grains as Sorbents for Organic Pollutants in Aqueous Media

#58
20120001115
2012-01-05

Process and magnetic reagent for the removal of impurities from minerals

#59
20110272623
2011-11-10

FORMULATION OF HYDROPHOBIZED MAGNETITE

#60
20110237860
2011-09-29

Magnetic Ink Tissue Markings

#61
20110062371
2011-03-17

Magnetorheological fluid and method of making the same

#62
20110001079
2011-01-06

Method for producing nanoparticles for magnetic fluids by electron-beam evaporation and condensation in vacuum, a magnetic fluid producing method and magnetic fluid produced according to said method

#63
20100294920
2010-11-25

Aperture unit controlled by magnetic field and a heater embeded in a cylindrical member and imaging system using same

#64
20100277820
2010-11-04

Magnetically deformable ferrofluids and mirrors

#65
20100217065
2010-08-26

MAGNETIC INK TISSUE MARKINGS

#66
20100171065
2010-07-08

Magnetorheological materials, method for making, and applications thereof

#67
20100101832
2010-04-29

COMPOUND MAGNETIC NANOWIRES FOR TCO REPLACEMENT

#68
20100015059
2010-01-21

Preparation of poly(ethylene oxide)-coated nanoparticles of maghemite

#69
20090211751
2009-08-27

Field-responsive fluids

#70
20090036335
2009-02-05

PROCESS FOR OBTAINING AN INTERMETALLIC COMPOUND AND USE THEREOF IN LUBRICATING OILS

#71
20080177286
2008-07-24

MAGNETIC INK TISSUE MARKINGS

#72
20080164140
2008-07-10

Process for the removal of impurities from carbonate minerals

#73
20070220739
2007-09-27

Method for fabricating a magnetic head using a ferrofluid mask

#74
20070187637
2007-08-16

Preparation method for oil-based magnetic fluid

#75
20070090323
2007-04-26

Ferrofluids stable in neutral media and modified ferrofluids modifies obtained by modification of the surface of the particles of said ferrofluids

#76
20070007180
2007-01-11

Process and magnetic reagent for the removal of impurities from minerals

#77
20060266974
2006-11-30

Method of making magnetic fluid

#78
20060177879
2006-08-10

Magnetic nanoparticles and method of fabrication

#79
20060163526
2006-07-27

Magnetic nanoparticles having improved magnetic properties

#80
20060111235
2006-05-25

Method of manufacturing ferromagnetic particle exothermic elements

#81
20050271745
2005-12-08

Magnetic nanoparticle compositions, and methods related thereto

#82
20050061198
2005-03-24

Magnetic ink tissue markings

#83
18614661
2024-12-24

Magnetic nanofluid temperature control of shell and tube heat exchanger

#84
18614658
2024-12-10

Magnetic nanofluid temperature control

#85
18613236
2024-12-10

Method of changing the temperature of an object using a hybrid magnetic nanofluid